\n \n )}\n \n );\n};\n\nexport default ProductName;\n","import { SUFFIX_EMISSION } from '../../shared/constants/products.constant';\n\ntype EmissionUnitProps = {\n value: string | number;\n};\n\nexport default function EmissionUnit({ value }: EmissionUnitProps) {\n return (\n <>\n {value}\n {SUFFIX_EMISSION}\n \n );\n}\n","import EmissionUnit from '../../../components/emission-unit/EmissionUnit';\nimport { PCFBiogenicEmissionsMode } from '../../../shared/enums/pcf';\nimport { IProduct } from '../../../shared/interfaces/IProduct';\n\ntype ProductPcfValueProps = {\n product: IProduct;\n biogenicEmissionsMode: PCFBiogenicEmissionsMode;\n};\n\nconst ProductPcfValue = ({\n product,\n biogenicEmissionsMode,\n}: ProductPcfValueProps): JSX.Element | null => {\n if (biogenicEmissionsMode === PCFBiogenicEmissionsMode.Include && product.pcf_including) {\n return ;\n } else if (biogenicEmissionsMode === PCFBiogenicEmissionsMode.Exclude && product.pcf_excluding) {\n return ;\n }\n return null;\n};\n\nexport default ProductPcfValue;\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? 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\"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? 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Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __createBinding(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? 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(this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n/**\n * Return true if `value` is object-like. A value is object-like if it's not\n * `null` and has a `typeof` result of \"object\".\n */\nexport default function isObjectLike(value) {\n return _typeof(value) == 'object' && value !== null;\n}\n","// In ES2015 (or a polyfilled) environment, this will be Symbol.iterator\n// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\nexport var SYMBOL_ITERATOR = typeof Symbol === 'function' && Symbol.iterator != null ? Symbol.iterator : '@@iterator'; // In ES2017 (or a polyfilled) environment, this will be Symbol.asyncIterator\n// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\n\nexport var SYMBOL_ASYNC_ITERATOR = typeof Symbol === 'function' && Symbol.asyncIterator != null ? Symbol.asyncIterator : '@@asyncIterator'; // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\n\nexport var SYMBOL_TO_STRING_TAG = typeof Symbol === 'function' && Symbol.toStringTag != null ? Symbol.toStringTag : '@@toStringTag';\n","/**\n * Represents a location in a Source.\n */\n\n/**\n * Takes a Source and a UTF-8 character offset, and returns the corresponding\n * line and column as a SourceLocation.\n */\nexport function getLocation(source, position) {\n var lineRegexp = /\\r\\n|[\\n\\r]/g;\n var line = 1;\n var column = position + 1;\n var match;\n\n while ((match = lineRegexp.exec(source.body)) && match.index < position) {\n line += 1;\n column = position + 1 - (match.index + match[0].length);\n }\n\n return {\n line: line,\n column: column\n };\n}\n","import { getLocation } from \"./location.mjs\";\n/**\n * Render a helpful description of the location in the GraphQL Source document.\n */\n\nexport function printLocation(location) {\n return printSourceLocation(location.source, getLocation(location.source, location.start));\n}\n/**\n * Render a helpful description of the location in the GraphQL Source document.\n */\n\nexport function printSourceLocation(source, sourceLocation) {\n var firstLineColumnOffset = source.locationOffset.column - 1;\n var body = whitespace(firstLineColumnOffset) + source.body;\n var lineIndex = sourceLocation.line - 1;\n var lineOffset = source.locationOffset.line - 1;\n var lineNum = sourceLocation.line + lineOffset;\n var columnOffset = sourceLocation.line === 1 ? firstLineColumnOffset : 0;\n var columnNum = sourceLocation.column + columnOffset;\n var locationStr = \"\".concat(source.name, \":\").concat(lineNum, \":\").concat(columnNum, \"\\n\");\n var lines = body.split(/\\r\\n|[\\n\\r]/g);\n var locationLine = lines[lineIndex]; // Special case for minified documents\n\n if (locationLine.length > 120) {\n var subLineIndex = Math.floor(columnNum / 80);\n var subLineColumnNum = columnNum % 80;\n var subLines = [];\n\n for (var i = 0; i < locationLine.length; i += 80) {\n subLines.push(locationLine.slice(i, i + 80));\n }\n\n return locationStr + printPrefixedLines([[\"\".concat(lineNum), subLines[0]]].concat(subLines.slice(1, subLineIndex + 1).map(function (subLine) {\n return ['', subLine];\n }), [[' ', whitespace(subLineColumnNum - 1) + '^'], ['', subLines[subLineIndex + 1]]]));\n }\n\n return locationStr + printPrefixedLines([// Lines specified like this: [\"prefix\", \"string\"],\n [\"\".concat(lineNum - 1), lines[lineIndex - 1]], [\"\".concat(lineNum), locationLine], ['', whitespace(columnNum - 1) + '^'], [\"\".concat(lineNum + 1), lines[lineIndex + 1]]]);\n}\n\nfunction printPrefixedLines(lines) {\n var existingLines = lines.filter(function (_ref) {\n var _ = _ref[0],\n line = _ref[1];\n return line !== undefined;\n });\n var padLen = Math.max.apply(Math, existingLines.map(function (_ref2) {\n var prefix = _ref2[0];\n return prefix.length;\n }));\n return existingLines.map(function (_ref3) {\n var prefix = _ref3[0],\n line = _ref3[1];\n return leftPad(padLen, prefix) + (line ? ' | ' + line : ' |');\n }).join('\\n');\n}\n\nfunction whitespace(len) {\n return Array(len + 1).join(' ');\n}\n\nfunction leftPad(len, str) {\n return whitespace(len - str.length) + str;\n}\n","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _wrapNativeSuper(Class) { var _cache = typeof Map === \"function\" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== \"function\") { throw new TypeError(\"Super expression must either be null or a function\"); } if (typeof _cache !== \"undefined\") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }\n\nfunction _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _isNativeFunction(fn) { return Function.toString.call(fn).indexOf(\"[native code]\") !== -1; }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nimport isObjectLike from \"../jsutils/isObjectLike.mjs\";\nimport { SYMBOL_TO_STRING_TAG } from \"../polyfills/symbols.mjs\";\nimport { getLocation } from \"../language/location.mjs\";\nimport { printLocation, printSourceLocation } from \"../language/printLocation.mjs\";\n/**\n * A GraphQLError describes an Error found during the parse, validate, or\n * execute phases of performing a GraphQL operation. In addition to a message\n * and stack trace, it also includes information about the locations in a\n * GraphQL document and/or execution result that correspond to the Error.\n */\n\nexport var GraphQLError = /*#__PURE__*/function (_Error) {\n _inherits(GraphQLError, _Error);\n\n var _super = _createSuper(GraphQLError);\n\n /**\n * An array of { line, column } locations within the source GraphQL document\n * which correspond to this error.\n *\n * Errors during validation often contain multiple locations, for example to\n * point out two things with the same name. Errors during execution include a\n * single location, the field which produced the error.\n *\n * Enumerable, and appears in the result of JSON.stringify().\n */\n\n /**\n * An array describing the JSON-path into the execution response which\n * corresponds to this error. Only included for errors during execution.\n *\n * Enumerable, and appears in the result of JSON.stringify().\n */\n\n /**\n * An array of GraphQL AST Nodes corresponding to this error.\n */\n\n /**\n * The source GraphQL document for the first location of this error.\n *\n * Note that if this Error represents more than one node, the source may not\n * represent nodes after the first node.\n */\n\n /**\n * An array of character offsets within the source GraphQL document\n * which correspond to this error.\n */\n\n /**\n * The original error thrown from a field resolver during execution.\n */\n\n /**\n * Extension fields to add to the formatted error.\n */\n function GraphQLError(message, nodes, source, positions, path, originalError, extensions) {\n var _nodeLocations, _nodeLocations2, _nodeLocations3;\n\n var _this;\n\n _classCallCheck(this, GraphQLError);\n\n _this = _super.call(this, message);\n _this.name = 'GraphQLError';\n _this.originalError = originalError !== null && originalError !== void 0 ? originalError : undefined; // Compute list of blame nodes.\n\n _this.nodes = undefinedIfEmpty(Array.isArray(nodes) ? nodes : nodes ? [nodes] : undefined);\n var nodeLocations = [];\n\n for (var _i2 = 0, _ref3 = (_this$nodes = _this.nodes) !== null && _this$nodes !== void 0 ? _this$nodes : []; _i2 < _ref3.length; _i2++) {\n var _this$nodes;\n\n var _ref4 = _ref3[_i2];\n var loc = _ref4.loc;\n\n if (loc != null) {\n nodeLocations.push(loc);\n }\n }\n\n nodeLocations = undefinedIfEmpty(nodeLocations); // Compute locations in the source for the given nodes/positions.\n\n _this.source = source !== null && source !== void 0 ? source : (_nodeLocations = nodeLocations) === null || _nodeLocations === void 0 ? void 0 : _nodeLocations[0].source;\n _this.positions = positions !== null && positions !== void 0 ? positions : (_nodeLocations2 = nodeLocations) === null || _nodeLocations2 === void 0 ? void 0 : _nodeLocations2.map(function (loc) {\n return loc.start;\n });\n _this.locations = positions && source ? positions.map(function (pos) {\n return getLocation(source, pos);\n }) : (_nodeLocations3 = nodeLocations) === null || _nodeLocations3 === void 0 ? void 0 : _nodeLocations3.map(function (loc) {\n return getLocation(loc.source, loc.start);\n });\n _this.path = path !== null && path !== void 0 ? path : undefined;\n var originalExtensions = originalError === null || originalError === void 0 ? void 0 : originalError.extensions;\n\n if (extensions == null && isObjectLike(originalExtensions)) {\n _this.extensions = _objectSpread({}, originalExtensions);\n } else {\n _this.extensions = extensions !== null && extensions !== void 0 ? extensions : {};\n } // By being enumerable, JSON.stringify will include bellow properties in the resulting output.\n // This ensures that the simplest possible GraphQL service adheres to the spec.\n\n\n Object.defineProperties(_assertThisInitialized(_this), {\n message: {\n enumerable: true\n },\n locations: {\n enumerable: _this.locations != null\n },\n path: {\n enumerable: _this.path != null\n },\n extensions: {\n enumerable: _this.extensions != null && Object.keys(_this.extensions).length > 0\n },\n name: {\n enumerable: false\n },\n nodes: {\n enumerable: false\n },\n source: {\n enumerable: false\n },\n positions: {\n enumerable: false\n },\n originalError: {\n enumerable: false\n }\n }); // Include (non-enumerable) stack trace.\n\n if (originalError !== null && originalError !== void 0 && originalError.stack) {\n Object.defineProperty(_assertThisInitialized(_this), 'stack', {\n value: originalError.stack,\n writable: true,\n configurable: true\n });\n return _possibleConstructorReturn(_this);\n } // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\n\n\n if (Error.captureStackTrace) {\n Error.captureStackTrace(_assertThisInitialized(_this), GraphQLError);\n } else {\n Object.defineProperty(_assertThisInitialized(_this), 'stack', {\n value: Error().stack,\n writable: true,\n configurable: true\n });\n }\n\n return _this;\n }\n\n _createClass(GraphQLError, [{\n key: \"toString\",\n value: function toString() {\n return printError(this);\n } // FIXME: workaround to not break chai comparisons, should be remove in v16\n // $FlowFixMe[unsupported-syntax] Flow doesn't support computed properties yet\n\n }, {\n key: SYMBOL_TO_STRING_TAG,\n get: function get() {\n return 'Object';\n }\n }]);\n\n return GraphQLError;\n}( /*#__PURE__*/_wrapNativeSuper(Error));\n\nfunction undefinedIfEmpty(array) {\n return array === undefined || array.length === 0 ? undefined : array;\n}\n/**\n * Prints a GraphQLError to a string, representing useful location information\n * about the error's position in the source.\n */\n\n\nexport function printError(error) {\n var output = error.message;\n\n if (error.nodes) {\n for (var _i4 = 0, _error$nodes2 = error.nodes; _i4 < _error$nodes2.length; _i4++) {\n var node = _error$nodes2[_i4];\n\n if (node.loc) {\n output += '\\n\\n' + printLocation(node.loc);\n }\n }\n } else if (error.source && error.locations) {\n for (var _i6 = 0, _error$locations2 = error.locations; _i6 < _error$locations2.length; _i6++) {\n var location = _error$locations2[_i6];\n output += '\\n\\n' + printSourceLocation(error.source, location);\n }\n }\n\n return output;\n}\n","import { GraphQLError } from \"./GraphQLError.mjs\";\n/**\n * Produces a GraphQLError representing a syntax error, containing useful\n * descriptive information about the syntax error's position in the source.\n */\n\nexport function syntaxError(source, position, description) {\n return new GraphQLError(\"Syntax Error: \".concat(description), undefined, source, [position]);\n}\n","/**\n * The set of allowed kind values for AST nodes.\n */\nexport var Kind = Object.freeze({\n // Name\n NAME: 'Name',\n // Document\n DOCUMENT: 'Document',\n OPERATION_DEFINITION: 'OperationDefinition',\n VARIABLE_DEFINITION: 'VariableDefinition',\n SELECTION_SET: 'SelectionSet',\n FIELD: 'Field',\n ARGUMENT: 'Argument',\n // Fragments\n FRAGMENT_SPREAD: 'FragmentSpread',\n INLINE_FRAGMENT: 'InlineFragment',\n FRAGMENT_DEFINITION: 'FragmentDefinition',\n // Values\n VARIABLE: 'Variable',\n INT: 'IntValue',\n FLOAT: 'FloatValue',\n STRING: 'StringValue',\n BOOLEAN: 'BooleanValue',\n NULL: 'NullValue',\n ENUM: 'EnumValue',\n LIST: 'ListValue',\n OBJECT: 'ObjectValue',\n OBJECT_FIELD: 'ObjectField',\n // Directives\n DIRECTIVE: 'Directive',\n // Types\n NAMED_TYPE: 'NamedType',\n LIST_TYPE: 'ListType',\n NON_NULL_TYPE: 'NonNullType',\n // Type System Definitions\n SCHEMA_DEFINITION: 'SchemaDefinition',\n OPERATION_TYPE_DEFINITION: 'OperationTypeDefinition',\n // Type Definitions\n SCALAR_TYPE_DEFINITION: 'ScalarTypeDefinition',\n OBJECT_TYPE_DEFINITION: 'ObjectTypeDefinition',\n FIELD_DEFINITION: 'FieldDefinition',\n INPUT_VALUE_DEFINITION: 'InputValueDefinition',\n INTERFACE_TYPE_DEFINITION: 'InterfaceTypeDefinition',\n UNION_TYPE_DEFINITION: 'UnionTypeDefinition',\n ENUM_TYPE_DEFINITION: 'EnumTypeDefinition',\n ENUM_VALUE_DEFINITION: 'EnumValueDefinition',\n INPUT_OBJECT_TYPE_DEFINITION: 'InputObjectTypeDefinition',\n // Directive Definitions\n DIRECTIVE_DEFINITION: 'DirectiveDefinition',\n // Type System Extensions\n SCHEMA_EXTENSION: 'SchemaExtension',\n // Type Extensions\n SCALAR_TYPE_EXTENSION: 'ScalarTypeExtension',\n OBJECT_TYPE_EXTENSION: 'ObjectTypeExtension',\n INTERFACE_TYPE_EXTENSION: 'InterfaceTypeExtension',\n UNION_TYPE_EXTENSION: 'UnionTypeExtension',\n ENUM_TYPE_EXTENSION: 'EnumTypeExtension',\n INPUT_OBJECT_TYPE_EXTENSION: 'InputObjectTypeExtension'\n});\n/**\n * The enum type representing the possible kind values of AST nodes.\n */\n","// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\nvar nodejsCustomInspectSymbol = typeof Symbol === 'function' && typeof Symbol.for === 'function' ? Symbol.for('nodejs.util.inspect.custom') : undefined;\nexport default nodejsCustomInspectSymbol;\n","import invariant from \"./invariant.mjs\";\nimport nodejsCustomInspectSymbol from \"./nodejsCustomInspectSymbol.mjs\";\n/**\n * The `defineInspect()` function defines `inspect()` prototype method as alias of `toJSON`\n */\n\nexport default function defineInspect(classObject) {\n var fn = classObject.prototype.toJSON;\n typeof fn === 'function' || invariant(0);\n classObject.prototype.inspect = fn; // istanbul ignore else (See: 'https://github.com/graphql/graphql-js/issues/2317')\n\n if (nodejsCustomInspectSymbol) {\n classObject.prototype[nodejsCustomInspectSymbol] = fn;\n }\n}\n","export default function invariant(condition, message) {\n var booleanCondition = Boolean(condition); // istanbul ignore else (See transformation done in './resources/inlineInvariant.js')\n\n if (!booleanCondition) {\n throw new Error(message != null ? message : 'Unexpected invariant triggered.');\n }\n}\n","import defineInspect from \"../jsutils/defineInspect.mjs\";\n\n/**\n * Contains a range of UTF-8 character offsets and token references that\n * identify the region of the source from which the AST derived.\n */\nexport var Location = /*#__PURE__*/function () {\n /**\n * The character offset at which this Node begins.\n */\n\n /**\n * The character offset at which this Node ends.\n */\n\n /**\n * The Token at which this Node begins.\n */\n\n /**\n * The Token at which this Node ends.\n */\n\n /**\n * The Source document the AST represents.\n */\n function Location(startToken, endToken, source) {\n this.start = startToken.start;\n this.end = endToken.end;\n this.startToken = startToken;\n this.endToken = endToken;\n this.source = source;\n }\n\n var _proto = Location.prototype;\n\n _proto.toJSON = function toJSON() {\n return {\n start: this.start,\n end: this.end\n };\n };\n\n return Location;\n}(); // Print a simplified form when appearing in `inspect` and `util.inspect`.\n\ndefineInspect(Location);\n/**\n * Represents a range of characters represented by a lexical token\n * within a Source.\n */\n\nexport var Token = /*#__PURE__*/function () {\n /**\n * The kind of Token.\n */\n\n /**\n * The character offset at which this Node begins.\n */\n\n /**\n * The character offset at which this Node ends.\n */\n\n /**\n * The 1-indexed line number on which this Token appears.\n */\n\n /**\n * The 1-indexed column number at which this Token begins.\n */\n\n /**\n * For non-punctuation tokens, represents the interpreted value of the token.\n */\n\n /**\n * Tokens exist as nodes in a double-linked-list amongst all tokens\n * including ignored tokens. is always the first node and \n * the last.\n */\n function Token(kind, start, end, line, column, prev, value) {\n this.kind = kind;\n this.start = start;\n this.end = end;\n this.line = line;\n this.column = column;\n this.value = value;\n this.prev = prev;\n this.next = null;\n }\n\n var _proto2 = Token.prototype;\n\n _proto2.toJSON = function toJSON() {\n return {\n kind: this.kind,\n value: this.value,\n line: this.line,\n column: this.column\n };\n };\n\n return Token;\n}(); // Print a simplified form when appearing in `inspect` and `util.inspect`.\n\ndefineInspect(Token);\n/**\n * @internal\n */\n\nexport function isNode(maybeNode) {\n return maybeNode != null && typeof maybeNode.kind === 'string';\n}\n/**\n * The list of all possible AST node types.\n */\n","/**\n * An exported enum describing the different kinds of tokens that the\n * lexer emits.\n */\nexport var TokenKind = Object.freeze({\n SOF: '',\n EOF: '',\n BANG: '!',\n DOLLAR: '$',\n AMP: '&',\n PAREN_L: '(',\n PAREN_R: ')',\n SPREAD: '...',\n COLON: ':',\n EQUALS: '=',\n AT: '@',\n BRACKET_L: '[',\n BRACKET_R: ']',\n BRACE_L: '{',\n PIPE: '|',\n BRACE_R: '}',\n NAME: 'Name',\n INT: 'Int',\n FLOAT: 'Float',\n STRING: 'String',\n BLOCK_STRING: 'BlockString',\n COMMENT: 'Comment'\n});\n/**\n * The enum type representing the token kinds values.\n */\n","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n/* eslint-disable flowtype/no-weak-types */\nimport nodejsCustomInspectSymbol from \"./nodejsCustomInspectSymbol.mjs\";\nvar MAX_ARRAY_LENGTH = 10;\nvar MAX_RECURSIVE_DEPTH = 2;\n/**\n * Used to print values in error messages.\n */\n\nexport default function inspect(value) {\n return formatValue(value, []);\n}\n\nfunction formatValue(value, seenValues) {\n switch (_typeof(value)) {\n case 'string':\n return JSON.stringify(value);\n\n case 'function':\n return value.name ? \"[function \".concat(value.name, \"]\") : '[function]';\n\n case 'object':\n if (value === null) {\n return 'null';\n }\n\n return formatObjectValue(value, seenValues);\n\n default:\n return String(value);\n }\n}\n\nfunction formatObjectValue(value, previouslySeenValues) {\n if (previouslySeenValues.indexOf(value) !== -1) {\n return '[Circular]';\n }\n\n var seenValues = [].concat(previouslySeenValues, [value]);\n var customInspectFn = getCustomFn(value);\n\n if (customInspectFn !== undefined) {\n var customValue = customInspectFn.call(value); // check for infinite recursion\n\n if (customValue !== value) {\n return typeof customValue === 'string' ? customValue : formatValue(customValue, seenValues);\n }\n } else if (Array.isArray(value)) {\n return formatArray(value, seenValues);\n }\n\n return formatObject(value, seenValues);\n}\n\nfunction formatObject(object, seenValues) {\n var keys = Object.keys(object);\n\n if (keys.length === 0) {\n return '{}';\n }\n\n if (seenValues.length > MAX_RECURSIVE_DEPTH) {\n return '[' + getObjectTag(object) + ']';\n }\n\n var properties = keys.map(function (key) {\n var value = formatValue(object[key], seenValues);\n return key + ': ' + value;\n });\n return '{ ' + properties.join(', ') + ' }';\n}\n\nfunction formatArray(array, seenValues) {\n if (array.length === 0) {\n return '[]';\n }\n\n if (seenValues.length > MAX_RECURSIVE_DEPTH) {\n return '[Array]';\n }\n\n var len = Math.min(MAX_ARRAY_LENGTH, array.length);\n var remaining = array.length - len;\n var items = [];\n\n for (var i = 0; i < len; ++i) {\n items.push(formatValue(array[i], seenValues));\n }\n\n if (remaining === 1) {\n items.push('... 1 more item');\n } else if (remaining > 1) {\n items.push(\"... \".concat(remaining, \" more items\"));\n }\n\n return '[' + items.join(', ') + ']';\n}\n\nfunction getCustomFn(object) {\n var customInspectFn = object[String(nodejsCustomInspectSymbol)];\n\n if (typeof customInspectFn === 'function') {\n return customInspectFn;\n }\n\n if (typeof object.inspect === 'function') {\n return object.inspect;\n }\n}\n\nfunction getObjectTag(object) {\n var tag = Object.prototype.toString.call(object).replace(/^\\[object /, '').replace(/]$/, '');\n\n if (tag === 'Object' && typeof object.constructor === 'function') {\n var name = object.constructor.name;\n\n if (typeof name === 'string' && name !== '') {\n return name;\n }\n }\n\n return tag;\n}\n","export default function devAssert(condition, message) {\n var booleanCondition = Boolean(condition); // istanbul ignore else (See transformation done in './resources/inlineInvariant.js')\n\n if (!booleanCondition) {\n throw new Error(message);\n }\n}\n","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nimport inspect from \"./inspect.mjs\";\n/**\n * A replacement for instanceof which includes an error warning when multi-realm\n * constructors are detected.\n */\n\n// See: https://expressjs.com/en/advanced/best-practice-performance.html#set-node_env-to-production\n// See: https://webpack.js.org/guides/production/\nexport default process.env.NODE_ENV === 'production' ? // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')\n// eslint-disable-next-line no-shadow\nfunction instanceOf(value, constructor) {\n return value instanceof constructor;\n} : // eslint-disable-next-line no-shadow\nfunction instanceOf(value, constructor) {\n if (value instanceof constructor) {\n return true;\n }\n\n if (_typeof(value) === 'object' && value !== null) {\n var _value$constructor;\n\n var className = constructor.prototype[Symbol.toStringTag];\n var valueClassName = // We still need to support constructor's name to detect conflicts with older versions of this library.\n Symbol.toStringTag in value ? value[Symbol.toStringTag] : (_value$constructor = value.constructor) === null || _value$constructor === void 0 ? void 0 : _value$constructor.name;\n\n if (className === valueClassName) {\n var stringifiedValue = inspect(value);\n throw new Error(\"Cannot use \".concat(className, \" \\\"\").concat(stringifiedValue, \"\\\" from another module or realm.\\n\\nEnsure that there is only one instance of \\\"graphql\\\" in the node_modules\\ndirectory. If different versions of \\\"graphql\\\" are the dependencies of other\\nrelied on modules, use \\\"resolutions\\\" to ensure only one version is installed.\\n\\nhttps://yarnpkg.com/en/docs/selective-version-resolutions\\n\\nDuplicate \\\"graphql\\\" modules cannot be used at the same time since different\\nversions may have different capabilities and behavior. The data from one\\nversion used in the function from another could produce confusing and\\nspurious results.\"));\n }\n }\n\n return false;\n};\n","function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport { SYMBOL_TO_STRING_TAG } from \"../polyfills/symbols.mjs\";\nimport inspect from \"../jsutils/inspect.mjs\";\nimport devAssert from \"../jsutils/devAssert.mjs\";\nimport instanceOf from \"../jsutils/instanceOf.mjs\";\n\n/**\n * A representation of source input to GraphQL. The `name` and `locationOffset` parameters are\n * optional, but they are useful for clients who store GraphQL documents in source files.\n * For example, if the GraphQL input starts at line 40 in a file named `Foo.graphql`, it might\n * be useful for `name` to be `\"Foo.graphql\"` and location to be `{ line: 40, column: 1 }`.\n * The `line` and `column` properties in `locationOffset` are 1-indexed.\n */\nexport var Source = /*#__PURE__*/function () {\n function Source(body) {\n var name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'GraphQL request';\n var locationOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {\n line: 1,\n column: 1\n };\n typeof body === 'string' || devAssert(0, \"Body must be a string. Received: \".concat(inspect(body), \".\"));\n this.body = body;\n this.name = name;\n this.locationOffset = locationOffset;\n this.locationOffset.line > 0 || devAssert(0, 'line in locationOffset is 1-indexed and must be positive.');\n this.locationOffset.column > 0 || devAssert(0, 'column in locationOffset is 1-indexed and must be positive.');\n } // $FlowFixMe[unsupported-syntax] Flow doesn't support computed properties yet\n\n\n _createClass(Source, [{\n key: SYMBOL_TO_STRING_TAG,\n get: function get() {\n return 'Source';\n }\n }]);\n\n return Source;\n}();\n/**\n * Test if the given value is a Source object.\n *\n * @internal\n */\n\n// eslint-disable-next-line no-redeclare\nexport function isSource(source) {\n return instanceOf(source, Source);\n}\n","/**\n * The set of allowed directive location values.\n */\nexport var DirectiveLocation = Object.freeze({\n // Request Definitions\n QUERY: 'QUERY',\n MUTATION: 'MUTATION',\n SUBSCRIPTION: 'SUBSCRIPTION',\n FIELD: 'FIELD',\n FRAGMENT_DEFINITION: 'FRAGMENT_DEFINITION',\n FRAGMENT_SPREAD: 'FRAGMENT_SPREAD',\n INLINE_FRAGMENT: 'INLINE_FRAGMENT',\n VARIABLE_DEFINITION: 'VARIABLE_DEFINITION',\n // Type System Definitions\n SCHEMA: 'SCHEMA',\n SCALAR: 'SCALAR',\n OBJECT: 'OBJECT',\n FIELD_DEFINITION: 'FIELD_DEFINITION',\n ARGUMENT_DEFINITION: 'ARGUMENT_DEFINITION',\n INTERFACE: 'INTERFACE',\n UNION: 'UNION',\n ENUM: 'ENUM',\n ENUM_VALUE: 'ENUM_VALUE',\n INPUT_OBJECT: 'INPUT_OBJECT',\n INPUT_FIELD_DEFINITION: 'INPUT_FIELD_DEFINITION'\n});\n/**\n * The enum type representing the directive location values.\n */\n","/**\n * Produces the value of a block string from its parsed raw value, similar to\n * CoffeeScript's block string, Python's docstring trim or Ruby's strip_heredoc.\n *\n * This implements the GraphQL spec's BlockStringValue() static algorithm.\n *\n * @internal\n */\nexport function dedentBlockStringValue(rawString) {\n // Expand a block string's raw value into independent lines.\n var lines = rawString.split(/\\r\\n|[\\n\\r]/g); // Remove common indentation from all lines but first.\n\n var commonIndent = getBlockStringIndentation(rawString);\n\n if (commonIndent !== 0) {\n for (var i = 1; i < lines.length; i++) {\n lines[i] = lines[i].slice(commonIndent);\n }\n } // Remove leading and trailing blank lines.\n\n\n var startLine = 0;\n\n while (startLine < lines.length && isBlank(lines[startLine])) {\n ++startLine;\n }\n\n var endLine = lines.length;\n\n while (endLine > startLine && isBlank(lines[endLine - 1])) {\n --endLine;\n } // Return a string of the lines joined with U+000A.\n\n\n return lines.slice(startLine, endLine).join('\\n');\n}\n\nfunction isBlank(str) {\n for (var i = 0; i < str.length; ++i) {\n if (str[i] !== ' ' && str[i] !== '\\t') {\n return false;\n }\n }\n\n return true;\n}\n/**\n * @internal\n */\n\n\nexport function getBlockStringIndentation(value) {\n var _commonIndent;\n\n var isFirstLine = true;\n var isEmptyLine = true;\n var indent = 0;\n var commonIndent = null;\n\n for (var i = 0; i < value.length; ++i) {\n switch (value.charCodeAt(i)) {\n case 13:\n // \\r\n if (value.charCodeAt(i + 1) === 10) {\n ++i; // skip \\r\\n as one symbol\n }\n\n // falls through\n\n case 10:\n // \\n\n isFirstLine = false;\n isEmptyLine = true;\n indent = 0;\n break;\n\n case 9: // \\t\n\n case 32:\n // \n ++indent;\n break;\n\n default:\n if (isEmptyLine && !isFirstLine && (commonIndent === null || indent < commonIndent)) {\n commonIndent = indent;\n }\n\n isEmptyLine = false;\n }\n }\n\n return (_commonIndent = commonIndent) !== null && _commonIndent !== void 0 ? _commonIndent : 0;\n}\n/**\n * Print a block string in the indented block form by adding a leading and\n * trailing blank line. However, if a block string starts with whitespace and is\n * a single-line, adding a leading blank line would strip that whitespace.\n *\n * @internal\n */\n\nexport function printBlockString(value) {\n var indentation = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';\n var preferMultipleLines = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n var isSingleLine = value.indexOf('\\n') === -1;\n var hasLeadingSpace = value[0] === ' ' || value[0] === '\\t';\n var hasTrailingQuote = value[value.length - 1] === '\"';\n var hasTrailingSlash = value[value.length - 1] === '\\\\';\n var printAsMultipleLines = !isSingleLine || hasTrailingQuote || hasTrailingSlash || preferMultipleLines;\n var result = ''; // Format a multi-line block quote to account for leading space.\n\n if (printAsMultipleLines && !(isSingleLine && hasLeadingSpace)) {\n result += '\\n' + indentation;\n }\n\n result += indentation ? value.replace(/\\n/g, '\\n' + indentation) : value;\n\n if (printAsMultipleLines) {\n result += '\\n';\n }\n\n return '\"\"\"' + result.replace(/\"\"\"/g, '\\\\\"\"\"') + '\"\"\"';\n}\n","import { syntaxError } from \"../error/syntaxError.mjs\";\nimport { Token } from \"./ast.mjs\";\nimport { TokenKind } from \"./tokenKind.mjs\";\nimport { dedentBlockStringValue } from \"./blockString.mjs\";\n/**\n * Given a Source object, creates a Lexer for that source.\n * A Lexer is a stateful stream generator in that every time\n * it is advanced, it returns the next token in the Source. Assuming the\n * source lexes, the final Token emitted by the lexer will be of kind\n * EOF, after which the lexer will repeatedly return the same EOF token\n * whenever called.\n */\n\nexport var Lexer = /*#__PURE__*/function () {\n /**\n * The previously focused non-ignored token.\n */\n\n /**\n * The currently focused non-ignored token.\n */\n\n /**\n * The (1-indexed) line containing the current token.\n */\n\n /**\n * The character offset at which the current line begins.\n */\n function Lexer(source) {\n var startOfFileToken = new Token(TokenKind.SOF, 0, 0, 0, 0, null);\n this.source = source;\n this.lastToken = startOfFileToken;\n this.token = startOfFileToken;\n this.line = 1;\n this.lineStart = 0;\n }\n /**\n * Advances the token stream to the next non-ignored token.\n */\n\n\n var _proto = Lexer.prototype;\n\n _proto.advance = function advance() {\n this.lastToken = this.token;\n var token = this.token = this.lookahead();\n return token;\n }\n /**\n * Looks ahead and returns the next non-ignored token, but does not change\n * the state of Lexer.\n */\n ;\n\n _proto.lookahead = function lookahead() {\n var token = this.token;\n\n if (token.kind !== TokenKind.EOF) {\n do {\n var _token$next;\n\n // Note: next is only mutable during parsing, so we cast to allow this.\n token = (_token$next = token.next) !== null && _token$next !== void 0 ? _token$next : token.next = readToken(this, token);\n } while (token.kind === TokenKind.COMMENT);\n }\n\n return token;\n };\n\n return Lexer;\n}();\n/**\n * @internal\n */\n\nexport function isPunctuatorTokenKind(kind) {\n return kind === TokenKind.BANG || kind === TokenKind.DOLLAR || kind === TokenKind.AMP || kind === TokenKind.PAREN_L || kind === TokenKind.PAREN_R || kind === TokenKind.SPREAD || kind === TokenKind.COLON || kind === TokenKind.EQUALS || kind === TokenKind.AT || kind === TokenKind.BRACKET_L || kind === TokenKind.BRACKET_R || kind === TokenKind.BRACE_L || kind === TokenKind.PIPE || kind === TokenKind.BRACE_R;\n}\n\nfunction printCharCode(code) {\n return (// NaN/undefined represents access beyond the end of the file.\n isNaN(code) ? TokenKind.EOF : // Trust JSON for ASCII.\n code < 0x007f ? JSON.stringify(String.fromCharCode(code)) : // Otherwise print the escaped form.\n \"\\\"\\\\u\".concat(('00' + code.toString(16).toUpperCase()).slice(-4), \"\\\"\")\n );\n}\n/**\n * Gets the next token from the source starting at the given position.\n *\n * This skips over whitespace until it finds the next lexable token, then lexes\n * punctuators immediately or calls the appropriate helper function for more\n * complicated tokens.\n */\n\n\nfunction readToken(lexer, prev) {\n var source = lexer.source;\n var body = source.body;\n var bodyLength = body.length;\n var pos = prev.end;\n\n while (pos < bodyLength) {\n var code = body.charCodeAt(pos);\n var _line = lexer.line;\n\n var _col = 1 + pos - lexer.lineStart; // SourceCharacter\n\n\n switch (code) {\n case 0xfeff: // \n\n case 9: // \\t\n\n case 32: // \n\n case 44:\n // ,\n ++pos;\n continue;\n\n case 10:\n // \\n\n ++pos;\n ++lexer.line;\n lexer.lineStart = pos;\n continue;\n\n case 13:\n // \\r\n if (body.charCodeAt(pos + 1) === 10) {\n pos += 2;\n } else {\n ++pos;\n }\n\n ++lexer.line;\n lexer.lineStart = pos;\n continue;\n\n case 33:\n // !\n return new Token(TokenKind.BANG, pos, pos + 1, _line, _col, prev);\n\n case 35:\n // #\n return readComment(source, pos, _line, _col, prev);\n\n case 36:\n // $\n return new Token(TokenKind.DOLLAR, pos, pos + 1, _line, _col, prev);\n\n case 38:\n // &\n return new Token(TokenKind.AMP, pos, pos + 1, _line, _col, prev);\n\n case 40:\n // (\n return new Token(TokenKind.PAREN_L, pos, pos + 1, _line, _col, prev);\n\n case 41:\n // )\n return new Token(TokenKind.PAREN_R, pos, pos + 1, _line, _col, prev);\n\n case 46:\n // .\n if (body.charCodeAt(pos + 1) === 46 && body.charCodeAt(pos + 2) === 46) {\n return new Token(TokenKind.SPREAD, pos, pos + 3, _line, _col, prev);\n }\n\n break;\n\n case 58:\n // :\n return new Token(TokenKind.COLON, pos, pos + 1, _line, _col, prev);\n\n case 61:\n // =\n return new Token(TokenKind.EQUALS, pos, pos + 1, _line, _col, prev);\n\n case 64:\n // @\n return new Token(TokenKind.AT, pos, pos + 1, _line, _col, prev);\n\n case 91:\n // [\n return new Token(TokenKind.BRACKET_L, pos, pos + 1, _line, _col, prev);\n\n case 93:\n // ]\n return new Token(TokenKind.BRACKET_R, pos, pos + 1, _line, _col, prev);\n\n case 123:\n // {\n return new Token(TokenKind.BRACE_L, pos, pos + 1, _line, _col, prev);\n\n case 124:\n // |\n return new Token(TokenKind.PIPE, pos, pos + 1, _line, _col, prev);\n\n case 125:\n // }\n return new Token(TokenKind.BRACE_R, pos, pos + 1, _line, _col, prev);\n\n case 34:\n // \"\n if (body.charCodeAt(pos + 1) === 34 && body.charCodeAt(pos + 2) === 34) {\n return readBlockString(source, pos, _line, _col, prev, lexer);\n }\n\n return readString(source, pos, _line, _col, prev);\n\n case 45: // -\n\n case 48: // 0\n\n case 49: // 1\n\n case 50: // 2\n\n case 51: // 3\n\n case 52: // 4\n\n case 53: // 5\n\n case 54: // 6\n\n case 55: // 7\n\n case 56: // 8\n\n case 57:\n // 9\n return readNumber(source, pos, code, _line, _col, prev);\n\n case 65: // A\n\n case 66: // B\n\n case 67: // C\n\n case 68: // D\n\n case 69: // E\n\n case 70: // F\n\n case 71: // G\n\n case 72: // H\n\n case 73: // I\n\n case 74: // J\n\n case 75: // K\n\n case 76: // L\n\n case 77: // M\n\n case 78: // N\n\n case 79: // O\n\n case 80: // P\n\n case 81: // Q\n\n case 82: // R\n\n case 83: // S\n\n case 84: // T\n\n case 85: // U\n\n case 86: // V\n\n case 87: // W\n\n case 88: // X\n\n case 89: // Y\n\n case 90: // Z\n\n case 95: // _\n\n case 97: // a\n\n case 98: // b\n\n case 99: // c\n\n case 100: // d\n\n case 101: // e\n\n case 102: // f\n\n case 103: // g\n\n case 104: // h\n\n case 105: // i\n\n case 106: // j\n\n case 107: // k\n\n case 108: // l\n\n case 109: // m\n\n case 110: // n\n\n case 111: // o\n\n case 112: // p\n\n case 113: // q\n\n case 114: // r\n\n case 115: // s\n\n case 116: // t\n\n case 117: // u\n\n case 118: // v\n\n case 119: // w\n\n case 120: // x\n\n case 121: // y\n\n case 122:\n // z\n return readName(source, pos, _line, _col, prev);\n }\n\n throw syntaxError(source, pos, unexpectedCharacterMessage(code));\n }\n\n var line = lexer.line;\n var col = 1 + pos - lexer.lineStart;\n return new Token(TokenKind.EOF, bodyLength, bodyLength, line, col, prev);\n}\n/**\n * Report a message that an unexpected character was encountered.\n */\n\n\nfunction unexpectedCharacterMessage(code) {\n if (code < 0x0020 && code !== 0x0009 && code !== 0x000a && code !== 0x000d) {\n return \"Cannot contain the invalid character \".concat(printCharCode(code), \".\");\n }\n\n if (code === 39) {\n // '\n return 'Unexpected single quote character (\\'), did you mean to use a double quote (\")?';\n }\n\n return \"Cannot parse the unexpected character \".concat(printCharCode(code), \".\");\n}\n/**\n * Reads a comment token from the source file.\n *\n * #[\\u0009\\u0020-\\uFFFF]*\n */\n\n\nfunction readComment(source, start, line, col, prev) {\n var body = source.body;\n var code;\n var position = start;\n\n do {\n code = body.charCodeAt(++position);\n } while (!isNaN(code) && ( // SourceCharacter but not LineTerminator\n code > 0x001f || code === 0x0009));\n\n return new Token(TokenKind.COMMENT, start, position, line, col, prev, body.slice(start + 1, position));\n}\n/**\n * Reads a number token from the source file, either a float\n * or an int depending on whether a decimal point appears.\n *\n * Int: -?(0|[1-9][0-9]*)\n * Float: -?(0|[1-9][0-9]*)(\\.[0-9]+)?((E|e)(+|-)?[0-9]+)?\n */\n\n\nfunction readNumber(source, start, firstCode, line, col, prev) {\n var body = source.body;\n var code = firstCode;\n var position = start;\n var isFloat = false;\n\n if (code === 45) {\n // -\n code = body.charCodeAt(++position);\n }\n\n if (code === 48) {\n // 0\n code = body.charCodeAt(++position);\n\n if (code >= 48 && code <= 57) {\n throw syntaxError(source, position, \"Invalid number, unexpected digit after 0: \".concat(printCharCode(code), \".\"));\n }\n } else {\n position = readDigits(source, position, code);\n code = body.charCodeAt(position);\n }\n\n if (code === 46) {\n // .\n isFloat = true;\n code = body.charCodeAt(++position);\n position = readDigits(source, position, code);\n code = body.charCodeAt(position);\n }\n\n if (code === 69 || code === 101) {\n // E e\n isFloat = true;\n code = body.charCodeAt(++position);\n\n if (code === 43 || code === 45) {\n // + -\n code = body.charCodeAt(++position);\n }\n\n position = readDigits(source, position, code);\n code = body.charCodeAt(position);\n } // Numbers cannot be followed by . or NameStart\n\n\n if (code === 46 || isNameStart(code)) {\n throw syntaxError(source, position, \"Invalid number, expected digit but got: \".concat(printCharCode(code), \".\"));\n }\n\n return new Token(isFloat ? TokenKind.FLOAT : TokenKind.INT, start, position, line, col, prev, body.slice(start, position));\n}\n/**\n * Returns the new position in the source after reading digits.\n */\n\n\nfunction readDigits(source, start, firstCode) {\n var body = source.body;\n var position = start;\n var code = firstCode;\n\n if (code >= 48 && code <= 57) {\n // 0 - 9\n do {\n code = body.charCodeAt(++position);\n } while (code >= 48 && code <= 57); // 0 - 9\n\n\n return position;\n }\n\n throw syntaxError(source, position, \"Invalid number, expected digit but got: \".concat(printCharCode(code), \".\"));\n}\n/**\n * Reads a string token from the source file.\n *\n * \"([^\"\\\\\\u000A\\u000D]|(\\\\(u[0-9a-fA-F]{4}|[\"\\\\/bfnrt])))*\"\n */\n\n\nfunction readString(source, start, line, col, prev) {\n var body = source.body;\n var position = start + 1;\n var chunkStart = position;\n var code = 0;\n var value = '';\n\n while (position < body.length && !isNaN(code = body.charCodeAt(position)) && // not LineTerminator\n code !== 0x000a && code !== 0x000d) {\n // Closing Quote (\")\n if (code === 34) {\n value += body.slice(chunkStart, position);\n return new Token(TokenKind.STRING, start, position + 1, line, col, prev, value);\n } // SourceCharacter\n\n\n if (code < 0x0020 && code !== 0x0009) {\n throw syntaxError(source, position, \"Invalid character within String: \".concat(printCharCode(code), \".\"));\n }\n\n ++position;\n\n if (code === 92) {\n // \\\n value += body.slice(chunkStart, position - 1);\n code = body.charCodeAt(position);\n\n switch (code) {\n case 34:\n value += '\"';\n break;\n\n case 47:\n value += '/';\n break;\n\n case 92:\n value += '\\\\';\n break;\n\n case 98:\n value += '\\b';\n break;\n\n case 102:\n value += '\\f';\n break;\n\n case 110:\n value += '\\n';\n break;\n\n case 114:\n value += '\\r';\n break;\n\n case 116:\n value += '\\t';\n break;\n\n case 117:\n {\n // uXXXX\n var charCode = uniCharCode(body.charCodeAt(position + 1), body.charCodeAt(position + 2), body.charCodeAt(position + 3), body.charCodeAt(position + 4));\n\n if (charCode < 0) {\n var invalidSequence = body.slice(position + 1, position + 5);\n throw syntaxError(source, position, \"Invalid character escape sequence: \\\\u\".concat(invalidSequence, \".\"));\n }\n\n value += String.fromCharCode(charCode);\n position += 4;\n break;\n }\n\n default:\n throw syntaxError(source, position, \"Invalid character escape sequence: \\\\\".concat(String.fromCharCode(code), \".\"));\n }\n\n ++position;\n chunkStart = position;\n }\n }\n\n throw syntaxError(source, position, 'Unterminated string.');\n}\n/**\n * Reads a block string token from the source file.\n *\n * \"\"\"(\"?\"?(\\\\\"\"\"|\\\\(?!=\"\"\")|[^\"\\\\]))*\"\"\"\n */\n\n\nfunction readBlockString(source, start, line, col, prev, lexer) {\n var body = source.body;\n var position = start + 3;\n var chunkStart = position;\n var code = 0;\n var rawValue = '';\n\n while (position < body.length && !isNaN(code = body.charCodeAt(position))) {\n // Closing Triple-Quote (\"\"\")\n if (code === 34 && body.charCodeAt(position + 1) === 34 && body.charCodeAt(position + 2) === 34) {\n rawValue += body.slice(chunkStart, position);\n return new Token(TokenKind.BLOCK_STRING, start, position + 3, line, col, prev, dedentBlockStringValue(rawValue));\n } // SourceCharacter\n\n\n if (code < 0x0020 && code !== 0x0009 && code !== 0x000a && code !== 0x000d) {\n throw syntaxError(source, position, \"Invalid character within String: \".concat(printCharCode(code), \".\"));\n }\n\n if (code === 10) {\n // new line\n ++position;\n ++lexer.line;\n lexer.lineStart = position;\n } else if (code === 13) {\n // carriage return\n if (body.charCodeAt(position + 1) === 10) {\n position += 2;\n } else {\n ++position;\n }\n\n ++lexer.line;\n lexer.lineStart = position;\n } else if ( // Escape Triple-Quote (\\\"\"\")\n code === 92 && body.charCodeAt(position + 1) === 34 && body.charCodeAt(position + 2) === 34 && body.charCodeAt(position + 3) === 34) {\n rawValue += body.slice(chunkStart, position) + '\"\"\"';\n position += 4;\n chunkStart = position;\n } else {\n ++position;\n }\n }\n\n throw syntaxError(source, position, 'Unterminated string.');\n}\n/**\n * Converts four hexadecimal chars to the integer that the\n * string represents. For example, uniCharCode('0','0','0','f')\n * will return 15, and uniCharCode('0','0','f','f') returns 255.\n *\n * Returns a negative number on error, if a char was invalid.\n *\n * This is implemented by noting that char2hex() returns -1 on error,\n * which means the result of ORing the char2hex() will also be negative.\n */\n\n\nfunction uniCharCode(a, b, c, d) {\n return char2hex(a) << 12 | char2hex(b) << 8 | char2hex(c) << 4 | char2hex(d);\n}\n/**\n * Converts a hex character to its integer value.\n * '0' becomes 0, '9' becomes 9\n * 'A' becomes 10, 'F' becomes 15\n * 'a' becomes 10, 'f' becomes 15\n *\n * Returns -1 on error.\n */\n\n\nfunction char2hex(a) {\n return a >= 48 && a <= 57 ? a - 48 // 0-9\n : a >= 65 && a <= 70 ? a - 55 // A-F\n : a >= 97 && a <= 102 ? a - 87 // a-f\n : -1;\n}\n/**\n * Reads an alphanumeric + underscore name from the source.\n *\n * [_A-Za-z][_0-9A-Za-z]*\n */\n\n\nfunction readName(source, start, line, col, prev) {\n var body = source.body;\n var bodyLength = body.length;\n var position = start + 1;\n var code = 0;\n\n while (position !== bodyLength && !isNaN(code = body.charCodeAt(position)) && (code === 95 || // _\n code >= 48 && code <= 57 || // 0-9\n code >= 65 && code <= 90 || // A-Z\n code >= 97 && code <= 122) // a-z\n ) {\n ++position;\n }\n\n return new Token(TokenKind.NAME, start, position, line, col, prev, body.slice(start, position));\n} // _ A-Z a-z\n\n\nfunction isNameStart(code) {\n return code === 95 || code >= 65 && code <= 90 || code >= 97 && code <= 122;\n}\n","import { syntaxError } from \"../error/syntaxError.mjs\";\nimport { Kind } from \"./kinds.mjs\";\nimport { Location } from \"./ast.mjs\";\nimport { TokenKind } from \"./tokenKind.mjs\";\nimport { Source, isSource } from \"./source.mjs\";\nimport { DirectiveLocation } from \"./directiveLocation.mjs\";\nimport { Lexer, isPunctuatorTokenKind } from \"./lexer.mjs\";\n/**\n * Configuration options to control parser behavior\n */\n\n/**\n * Given a GraphQL source, parses it into a Document.\n * Throws GraphQLError if a syntax error is encountered.\n */\nexport function parse(source, options) {\n var parser = new Parser(source, options);\n return parser.parseDocument();\n}\n/**\n * Given a string containing a GraphQL value (ex. `[42]`), parse the AST for\n * that value.\n * Throws GraphQLError if a syntax error is encountered.\n *\n * This is useful within tools that operate upon GraphQL Values directly and\n * in isolation of complete GraphQL documents.\n *\n * Consider providing the results to the utility function: valueFromAST().\n */\n\nexport function parseValue(source, options) {\n var parser = new Parser(source, options);\n parser.expectToken(TokenKind.SOF);\n var value = parser.parseValueLiteral(false);\n parser.expectToken(TokenKind.EOF);\n return value;\n}\n/**\n * Given a string containing a GraphQL Type (ex. `[Int!]`), parse the AST for\n * that type.\n * Throws GraphQLError if a syntax error is encountered.\n *\n * This is useful within tools that operate upon GraphQL Types directly and\n * in isolation of complete GraphQL documents.\n *\n * Consider providing the results to the utility function: typeFromAST().\n */\n\nexport function parseType(source, options) {\n var parser = new Parser(source, options);\n parser.expectToken(TokenKind.SOF);\n var type = parser.parseTypeReference();\n parser.expectToken(TokenKind.EOF);\n return type;\n}\n/**\n * This class is exported only to assist people in implementing their own parsers\n * without duplicating too much code and should be used only as last resort for cases\n * such as experimental syntax or if certain features could not be contributed upstream.\n *\n * It is still part of the internal API and is versioned, so any changes to it are never\n * considered breaking changes. If you still need to support multiple versions of the\n * library, please use the `versionInfo` variable for version detection.\n *\n * @internal\n */\n\nexport var Parser = /*#__PURE__*/function () {\n function Parser(source, options) {\n var sourceObj = isSource(source) ? source : new Source(source);\n this._lexer = new Lexer(sourceObj);\n this._options = options;\n }\n /**\n * Converts a name lex token into a name parse node.\n */\n\n\n var _proto = Parser.prototype;\n\n _proto.parseName = function parseName() {\n var token = this.expectToken(TokenKind.NAME);\n return {\n kind: Kind.NAME,\n value: token.value,\n loc: this.loc(token)\n };\n } // Implements the parsing rules in the Document section.\n\n /**\n * Document : Definition+\n */\n ;\n\n _proto.parseDocument = function parseDocument() {\n var start = this._lexer.token;\n return {\n kind: Kind.DOCUMENT,\n definitions: this.many(TokenKind.SOF, this.parseDefinition, TokenKind.EOF),\n loc: this.loc(start)\n };\n }\n /**\n * Definition :\n * - ExecutableDefinition\n * - TypeSystemDefinition\n * - TypeSystemExtension\n *\n * ExecutableDefinition :\n * - OperationDefinition\n * - FragmentDefinition\n */\n ;\n\n _proto.parseDefinition = function parseDefinition() {\n if (this.peek(TokenKind.NAME)) {\n switch (this._lexer.token.value) {\n case 'query':\n case 'mutation':\n case 'subscription':\n return this.parseOperationDefinition();\n\n case 'fragment':\n return this.parseFragmentDefinition();\n\n case 'schema':\n case 'scalar':\n case 'type':\n case 'interface':\n case 'union':\n case 'enum':\n case 'input':\n case 'directive':\n return this.parseTypeSystemDefinition();\n\n case 'extend':\n return this.parseTypeSystemExtension();\n }\n } else if (this.peek(TokenKind.BRACE_L)) {\n return this.parseOperationDefinition();\n } else if (this.peekDescription()) {\n return this.parseTypeSystemDefinition();\n }\n\n throw this.unexpected();\n } // Implements the parsing rules in the Operations section.\n\n /**\n * OperationDefinition :\n * - SelectionSet\n * - OperationType Name? VariableDefinitions? Directives? SelectionSet\n */\n ;\n\n _proto.parseOperationDefinition = function parseOperationDefinition() {\n var start = this._lexer.token;\n\n if (this.peek(TokenKind.BRACE_L)) {\n return {\n kind: Kind.OPERATION_DEFINITION,\n operation: 'query',\n name: undefined,\n variableDefinitions: [],\n directives: [],\n selectionSet: this.parseSelectionSet(),\n loc: this.loc(start)\n };\n }\n\n var operation = this.parseOperationType();\n var name;\n\n if (this.peek(TokenKind.NAME)) {\n name = this.parseName();\n }\n\n return {\n kind: Kind.OPERATION_DEFINITION,\n operation: operation,\n name: name,\n variableDefinitions: this.parseVariableDefinitions(),\n directives: this.parseDirectives(false),\n selectionSet: this.parseSelectionSet(),\n loc: this.loc(start)\n };\n }\n /**\n * OperationType : one of query mutation subscription\n */\n ;\n\n _proto.parseOperationType = function parseOperationType() {\n var operationToken = this.expectToken(TokenKind.NAME);\n\n switch (operationToken.value) {\n case 'query':\n return 'query';\n\n case 'mutation':\n return 'mutation';\n\n case 'subscription':\n return 'subscription';\n }\n\n throw this.unexpected(operationToken);\n }\n /**\n * VariableDefinitions : ( VariableDefinition+ )\n */\n ;\n\n _proto.parseVariableDefinitions = function parseVariableDefinitions() {\n return this.optionalMany(TokenKind.PAREN_L, this.parseVariableDefinition, TokenKind.PAREN_R);\n }\n /**\n * VariableDefinition : Variable : Type DefaultValue? Directives[Const]?\n */\n ;\n\n _proto.parseVariableDefinition = function parseVariableDefinition() {\n var start = this._lexer.token;\n return {\n kind: Kind.VARIABLE_DEFINITION,\n variable: this.parseVariable(),\n type: (this.expectToken(TokenKind.COLON), this.parseTypeReference()),\n defaultValue: this.expectOptionalToken(TokenKind.EQUALS) ? this.parseValueLiteral(true) : undefined,\n directives: this.parseDirectives(true),\n loc: this.loc(start)\n };\n }\n /**\n * Variable : $ Name\n */\n ;\n\n _proto.parseVariable = function parseVariable() {\n var start = this._lexer.token;\n this.expectToken(TokenKind.DOLLAR);\n return {\n kind: Kind.VARIABLE,\n name: this.parseName(),\n loc: this.loc(start)\n };\n }\n /**\n * SelectionSet : { Selection+ }\n */\n ;\n\n _proto.parseSelectionSet = function parseSelectionSet() {\n var start = this._lexer.token;\n return {\n kind: Kind.SELECTION_SET,\n selections: this.many(TokenKind.BRACE_L, this.parseSelection, TokenKind.BRACE_R),\n loc: this.loc(start)\n };\n }\n /**\n * Selection :\n * - Field\n * - FragmentSpread\n * - InlineFragment\n */\n ;\n\n _proto.parseSelection = function parseSelection() {\n return this.peek(TokenKind.SPREAD) ? this.parseFragment() : this.parseField();\n }\n /**\n * Field : Alias? Name Arguments? Directives? SelectionSet?\n *\n * Alias : Name :\n */\n ;\n\n _proto.parseField = function parseField() {\n var start = this._lexer.token;\n var nameOrAlias = this.parseName();\n var alias;\n var name;\n\n if (this.expectOptionalToken(TokenKind.COLON)) {\n alias = nameOrAlias;\n name = this.parseName();\n } else {\n name = nameOrAlias;\n }\n\n return {\n kind: Kind.FIELD,\n alias: alias,\n name: name,\n arguments: this.parseArguments(false),\n directives: this.parseDirectives(false),\n selectionSet: this.peek(TokenKind.BRACE_L) ? this.parseSelectionSet() : undefined,\n loc: this.loc(start)\n };\n }\n /**\n * Arguments[Const] : ( Argument[?Const]+ )\n */\n ;\n\n _proto.parseArguments = function parseArguments(isConst) {\n var item = isConst ? this.parseConstArgument : this.parseArgument;\n return this.optionalMany(TokenKind.PAREN_L, item, TokenKind.PAREN_R);\n }\n /**\n * Argument[Const] : Name : Value[?Const]\n */\n ;\n\n _proto.parseArgument = function parseArgument() {\n var start = this._lexer.token;\n var name = this.parseName();\n this.expectToken(TokenKind.COLON);\n return {\n kind: Kind.ARGUMENT,\n name: name,\n value: this.parseValueLiteral(false),\n loc: this.loc(start)\n };\n };\n\n _proto.parseConstArgument = function parseConstArgument() {\n var start = this._lexer.token;\n return {\n kind: Kind.ARGUMENT,\n name: this.parseName(),\n value: (this.expectToken(TokenKind.COLON), this.parseValueLiteral(true)),\n loc: this.loc(start)\n };\n } // Implements the parsing rules in the Fragments section.\n\n /**\n * Corresponds to both FragmentSpread and InlineFragment in the spec.\n *\n * FragmentSpread : ... FragmentName Directives?\n *\n * InlineFragment : ... TypeCondition? Directives? SelectionSet\n */\n ;\n\n _proto.parseFragment = function parseFragment() {\n var start = this._lexer.token;\n this.expectToken(TokenKind.SPREAD);\n var hasTypeCondition = this.expectOptionalKeyword('on');\n\n if (!hasTypeCondition && this.peek(TokenKind.NAME)) {\n return {\n kind: Kind.FRAGMENT_SPREAD,\n name: this.parseFragmentName(),\n directives: this.parseDirectives(false),\n loc: this.loc(start)\n };\n }\n\n return {\n kind: Kind.INLINE_FRAGMENT,\n typeCondition: hasTypeCondition ? this.parseNamedType() : undefined,\n directives: this.parseDirectives(false),\n selectionSet: this.parseSelectionSet(),\n loc: this.loc(start)\n };\n }\n /**\n * FragmentDefinition :\n * - fragment FragmentName on TypeCondition Directives? SelectionSet\n *\n * TypeCondition : NamedType\n */\n ;\n\n _proto.parseFragmentDefinition = function parseFragmentDefinition() {\n var _this$_options;\n\n var start = this._lexer.token;\n this.expectKeyword('fragment'); // Experimental support for defining variables within fragments changes\n // the grammar of FragmentDefinition:\n // - fragment FragmentName VariableDefinitions? on TypeCondition Directives? SelectionSet\n\n if (((_this$_options = this._options) === null || _this$_options === void 0 ? void 0 : _this$_options.experimentalFragmentVariables) === true) {\n return {\n kind: Kind.FRAGMENT_DEFINITION,\n name: this.parseFragmentName(),\n variableDefinitions: this.parseVariableDefinitions(),\n typeCondition: (this.expectKeyword('on'), this.parseNamedType()),\n directives: this.parseDirectives(false),\n selectionSet: this.parseSelectionSet(),\n loc: this.loc(start)\n };\n }\n\n return {\n kind: Kind.FRAGMENT_DEFINITION,\n name: this.parseFragmentName(),\n typeCondition: (this.expectKeyword('on'), this.parseNamedType()),\n directives: this.parseDirectives(false),\n selectionSet: this.parseSelectionSet(),\n loc: this.loc(start)\n };\n }\n /**\n * FragmentName : Name but not `on`\n */\n ;\n\n _proto.parseFragmentName = function parseFragmentName() {\n if (this._lexer.token.value === 'on') {\n throw this.unexpected();\n }\n\n return this.parseName();\n } // Implements the parsing rules in the Values section.\n\n /**\n * Value[Const] :\n * - [~Const] Variable\n * - IntValue\n * - FloatValue\n * - StringValue\n * - BooleanValue\n * - NullValue\n * - EnumValue\n * - ListValue[?Const]\n * - ObjectValue[?Const]\n *\n * BooleanValue : one of `true` `false`\n *\n * NullValue : `null`\n *\n * EnumValue : Name but not `true`, `false` or `null`\n */\n ;\n\n _proto.parseValueLiteral = function parseValueLiteral(isConst) {\n var token = this._lexer.token;\n\n switch (token.kind) {\n case TokenKind.BRACKET_L:\n return this.parseList(isConst);\n\n case TokenKind.BRACE_L:\n return this.parseObject(isConst);\n\n case TokenKind.INT:\n this._lexer.advance();\n\n return {\n kind: Kind.INT,\n value: token.value,\n loc: this.loc(token)\n };\n\n case TokenKind.FLOAT:\n this._lexer.advance();\n\n return {\n kind: Kind.FLOAT,\n value: token.value,\n loc: this.loc(token)\n };\n\n case TokenKind.STRING:\n case TokenKind.BLOCK_STRING:\n return this.parseStringLiteral();\n\n case TokenKind.NAME:\n this._lexer.advance();\n\n switch (token.value) {\n case 'true':\n return {\n kind: Kind.BOOLEAN,\n value: true,\n loc: this.loc(token)\n };\n\n case 'false':\n return {\n kind: Kind.BOOLEAN,\n value: false,\n loc: this.loc(token)\n };\n\n case 'null':\n return {\n kind: Kind.NULL,\n loc: this.loc(token)\n };\n\n default:\n return {\n kind: Kind.ENUM,\n value: token.value,\n loc: this.loc(token)\n };\n }\n\n case TokenKind.DOLLAR:\n if (!isConst) {\n return this.parseVariable();\n }\n\n break;\n }\n\n throw this.unexpected();\n };\n\n _proto.parseStringLiteral = function parseStringLiteral() {\n var token = this._lexer.token;\n\n this._lexer.advance();\n\n return {\n kind: Kind.STRING,\n value: token.value,\n block: token.kind === TokenKind.BLOCK_STRING,\n loc: this.loc(token)\n };\n }\n /**\n * ListValue[Const] :\n * - [ ]\n * - [ Value[?Const]+ ]\n */\n ;\n\n _proto.parseList = function parseList(isConst) {\n var _this = this;\n\n var start = this._lexer.token;\n\n var item = function item() {\n return _this.parseValueLiteral(isConst);\n };\n\n return {\n kind: Kind.LIST,\n values: this.any(TokenKind.BRACKET_L, item, TokenKind.BRACKET_R),\n loc: this.loc(start)\n };\n }\n /**\n * ObjectValue[Const] :\n * - { }\n * - { ObjectField[?Const]+ }\n */\n ;\n\n _proto.parseObject = function parseObject(isConst) {\n var _this2 = this;\n\n var start = this._lexer.token;\n\n var item = function item() {\n return _this2.parseObjectField(isConst);\n };\n\n return {\n kind: Kind.OBJECT,\n fields: this.any(TokenKind.BRACE_L, item, TokenKind.BRACE_R),\n loc: this.loc(start)\n };\n }\n /**\n * ObjectField[Const] : Name : Value[?Const]\n */\n ;\n\n _proto.parseObjectField = function parseObjectField(isConst) {\n var start = this._lexer.token;\n var name = this.parseName();\n this.expectToken(TokenKind.COLON);\n return {\n kind: Kind.OBJECT_FIELD,\n name: name,\n value: this.parseValueLiteral(isConst),\n loc: this.loc(start)\n };\n } // Implements the parsing rules in the Directives section.\n\n /**\n * Directives[Const] : Directive[?Const]+\n */\n ;\n\n _proto.parseDirectives = function parseDirectives(isConst) {\n var directives = [];\n\n while (this.peek(TokenKind.AT)) {\n directives.push(this.parseDirective(isConst));\n }\n\n return directives;\n }\n /**\n * Directive[Const] : @ Name Arguments[?Const]?\n */\n ;\n\n _proto.parseDirective = function parseDirective(isConst) {\n var start = this._lexer.token;\n this.expectToken(TokenKind.AT);\n return {\n kind: Kind.DIRECTIVE,\n name: this.parseName(),\n arguments: this.parseArguments(isConst),\n loc: this.loc(start)\n };\n } // Implements the parsing rules in the Types section.\n\n /**\n * Type :\n * - NamedType\n * - ListType\n * - NonNullType\n */\n ;\n\n _proto.parseTypeReference = function parseTypeReference() {\n var start = this._lexer.token;\n var type;\n\n if (this.expectOptionalToken(TokenKind.BRACKET_L)) {\n type = this.parseTypeReference();\n this.expectToken(TokenKind.BRACKET_R);\n type = {\n kind: Kind.LIST_TYPE,\n type: type,\n loc: this.loc(start)\n };\n } else {\n type = this.parseNamedType();\n }\n\n if (this.expectOptionalToken(TokenKind.BANG)) {\n return {\n kind: Kind.NON_NULL_TYPE,\n type: type,\n loc: this.loc(start)\n };\n }\n\n return type;\n }\n /**\n * NamedType : Name\n */\n ;\n\n _proto.parseNamedType = function parseNamedType() {\n var start = this._lexer.token;\n return {\n kind: Kind.NAMED_TYPE,\n name: this.parseName(),\n loc: this.loc(start)\n };\n } // Implements the parsing rules in the Type Definition section.\n\n /**\n * TypeSystemDefinition :\n * - SchemaDefinition\n * - TypeDefinition\n * - DirectiveDefinition\n *\n * TypeDefinition :\n * - ScalarTypeDefinition\n * - ObjectTypeDefinition\n * - InterfaceTypeDefinition\n * - UnionTypeDefinition\n * - EnumTypeDefinition\n * - InputObjectTypeDefinition\n */\n ;\n\n _proto.parseTypeSystemDefinition = function parseTypeSystemDefinition() {\n // Many definitions begin with a description and require a lookahead.\n var keywordToken = this.peekDescription() ? this._lexer.lookahead() : this._lexer.token;\n\n if (keywordToken.kind === TokenKind.NAME) {\n switch (keywordToken.value) {\n case 'schema':\n return this.parseSchemaDefinition();\n\n case 'scalar':\n return this.parseScalarTypeDefinition();\n\n case 'type':\n return this.parseObjectTypeDefinition();\n\n case 'interface':\n return this.parseInterfaceTypeDefinition();\n\n case 'union':\n return this.parseUnionTypeDefinition();\n\n case 'enum':\n return this.parseEnumTypeDefinition();\n\n case 'input':\n return this.parseInputObjectTypeDefinition();\n\n case 'directive':\n return this.parseDirectiveDefinition();\n }\n }\n\n throw this.unexpected(keywordToken);\n };\n\n _proto.peekDescription = function peekDescription() {\n return this.peek(TokenKind.STRING) || this.peek(TokenKind.BLOCK_STRING);\n }\n /**\n * Description : StringValue\n */\n ;\n\n _proto.parseDescription = function parseDescription() {\n if (this.peekDescription()) {\n return this.parseStringLiteral();\n }\n }\n /**\n * SchemaDefinition : Description? schema Directives[Const]? { OperationTypeDefinition+ }\n */\n ;\n\n _proto.parseSchemaDefinition = function parseSchemaDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('schema');\n var directives = this.parseDirectives(true);\n var operationTypes = this.many(TokenKind.BRACE_L, this.parseOperationTypeDefinition, TokenKind.BRACE_R);\n return {\n kind: Kind.SCHEMA_DEFINITION,\n description: description,\n directives: directives,\n operationTypes: operationTypes,\n loc: this.loc(start)\n };\n }\n /**\n * OperationTypeDefinition : OperationType : NamedType\n */\n ;\n\n _proto.parseOperationTypeDefinition = function parseOperationTypeDefinition() {\n var start = this._lexer.token;\n var operation = this.parseOperationType();\n this.expectToken(TokenKind.COLON);\n var type = this.parseNamedType();\n return {\n kind: Kind.OPERATION_TYPE_DEFINITION,\n operation: operation,\n type: type,\n loc: this.loc(start)\n };\n }\n /**\n * ScalarTypeDefinition : Description? scalar Name Directives[Const]?\n */\n ;\n\n _proto.parseScalarTypeDefinition = function parseScalarTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('scalar');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n return {\n kind: Kind.SCALAR_TYPE_DEFINITION,\n description: description,\n name: name,\n directives: directives,\n loc: this.loc(start)\n };\n }\n /**\n * ObjectTypeDefinition :\n * Description?\n * type Name ImplementsInterfaces? Directives[Const]? FieldsDefinition?\n */\n ;\n\n _proto.parseObjectTypeDefinition = function parseObjectTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('type');\n var name = this.parseName();\n var interfaces = this.parseImplementsInterfaces();\n var directives = this.parseDirectives(true);\n var fields = this.parseFieldsDefinition();\n return {\n kind: Kind.OBJECT_TYPE_DEFINITION,\n description: description,\n name: name,\n interfaces: interfaces,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * ImplementsInterfaces :\n * - implements `&`? NamedType\n * - ImplementsInterfaces & NamedType\n */\n ;\n\n _proto.parseImplementsInterfaces = function parseImplementsInterfaces() {\n var _this$_options2;\n\n if (!this.expectOptionalKeyword('implements')) {\n return [];\n }\n\n if (((_this$_options2 = this._options) === null || _this$_options2 === void 0 ? void 0 : _this$_options2.allowLegacySDLImplementsInterfaces) === true) {\n var types = []; // Optional leading ampersand\n\n this.expectOptionalToken(TokenKind.AMP);\n\n do {\n types.push(this.parseNamedType());\n } while (this.expectOptionalToken(TokenKind.AMP) || this.peek(TokenKind.NAME));\n\n return types;\n }\n\n return this.delimitedMany(TokenKind.AMP, this.parseNamedType);\n }\n /**\n * FieldsDefinition : { FieldDefinition+ }\n */\n ;\n\n _proto.parseFieldsDefinition = function parseFieldsDefinition() {\n var _this$_options3;\n\n // Legacy support for the SDL?\n if (((_this$_options3 = this._options) === null || _this$_options3 === void 0 ? void 0 : _this$_options3.allowLegacySDLEmptyFields) === true && this.peek(TokenKind.BRACE_L) && this._lexer.lookahead().kind === TokenKind.BRACE_R) {\n this._lexer.advance();\n\n this._lexer.advance();\n\n return [];\n }\n\n return this.optionalMany(TokenKind.BRACE_L, this.parseFieldDefinition, TokenKind.BRACE_R);\n }\n /**\n * FieldDefinition :\n * - Description? Name ArgumentsDefinition? : Type Directives[Const]?\n */\n ;\n\n _proto.parseFieldDefinition = function parseFieldDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n var name = this.parseName();\n var args = this.parseArgumentDefs();\n this.expectToken(TokenKind.COLON);\n var type = this.parseTypeReference();\n var directives = this.parseDirectives(true);\n return {\n kind: Kind.FIELD_DEFINITION,\n description: description,\n name: name,\n arguments: args,\n type: type,\n directives: directives,\n loc: this.loc(start)\n };\n }\n /**\n * ArgumentsDefinition : ( InputValueDefinition+ )\n */\n ;\n\n _proto.parseArgumentDefs = function parseArgumentDefs() {\n return this.optionalMany(TokenKind.PAREN_L, this.parseInputValueDef, TokenKind.PAREN_R);\n }\n /**\n * InputValueDefinition :\n * - Description? Name : Type DefaultValue? Directives[Const]?\n */\n ;\n\n _proto.parseInputValueDef = function parseInputValueDef() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n var name = this.parseName();\n this.expectToken(TokenKind.COLON);\n var type = this.parseTypeReference();\n var defaultValue;\n\n if (this.expectOptionalToken(TokenKind.EQUALS)) {\n defaultValue = this.parseValueLiteral(true);\n }\n\n var directives = this.parseDirectives(true);\n return {\n kind: Kind.INPUT_VALUE_DEFINITION,\n description: description,\n name: name,\n type: type,\n defaultValue: defaultValue,\n directives: directives,\n loc: this.loc(start)\n };\n }\n /**\n * InterfaceTypeDefinition :\n * - Description? interface Name Directives[Const]? FieldsDefinition?\n */\n ;\n\n _proto.parseInterfaceTypeDefinition = function parseInterfaceTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('interface');\n var name = this.parseName();\n var interfaces = this.parseImplementsInterfaces();\n var directives = this.parseDirectives(true);\n var fields = this.parseFieldsDefinition();\n return {\n kind: Kind.INTERFACE_TYPE_DEFINITION,\n description: description,\n name: name,\n interfaces: interfaces,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * UnionTypeDefinition :\n * - Description? union Name Directives[Const]? UnionMemberTypes?\n */\n ;\n\n _proto.parseUnionTypeDefinition = function parseUnionTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('union');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var types = this.parseUnionMemberTypes();\n return {\n kind: Kind.UNION_TYPE_DEFINITION,\n description: description,\n name: name,\n directives: directives,\n types: types,\n loc: this.loc(start)\n };\n }\n /**\n * UnionMemberTypes :\n * - = `|`? NamedType\n * - UnionMemberTypes | NamedType\n */\n ;\n\n _proto.parseUnionMemberTypes = function parseUnionMemberTypes() {\n return this.expectOptionalToken(TokenKind.EQUALS) ? this.delimitedMany(TokenKind.PIPE, this.parseNamedType) : [];\n }\n /**\n * EnumTypeDefinition :\n * - Description? enum Name Directives[Const]? EnumValuesDefinition?\n */\n ;\n\n _proto.parseEnumTypeDefinition = function parseEnumTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('enum');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var values = this.parseEnumValuesDefinition();\n return {\n kind: Kind.ENUM_TYPE_DEFINITION,\n description: description,\n name: name,\n directives: directives,\n values: values,\n loc: this.loc(start)\n };\n }\n /**\n * EnumValuesDefinition : { EnumValueDefinition+ }\n */\n ;\n\n _proto.parseEnumValuesDefinition = function parseEnumValuesDefinition() {\n return this.optionalMany(TokenKind.BRACE_L, this.parseEnumValueDefinition, TokenKind.BRACE_R);\n }\n /**\n * EnumValueDefinition : Description? EnumValue Directives[Const]?\n *\n * EnumValue : Name\n */\n ;\n\n _proto.parseEnumValueDefinition = function parseEnumValueDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n return {\n kind: Kind.ENUM_VALUE_DEFINITION,\n description: description,\n name: name,\n directives: directives,\n loc: this.loc(start)\n };\n }\n /**\n * InputObjectTypeDefinition :\n * - Description? input Name Directives[Const]? InputFieldsDefinition?\n */\n ;\n\n _proto.parseInputObjectTypeDefinition = function parseInputObjectTypeDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('input');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var fields = this.parseInputFieldsDefinition();\n return {\n kind: Kind.INPUT_OBJECT_TYPE_DEFINITION,\n description: description,\n name: name,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * InputFieldsDefinition : { InputValueDefinition+ }\n */\n ;\n\n _proto.parseInputFieldsDefinition = function parseInputFieldsDefinition() {\n return this.optionalMany(TokenKind.BRACE_L, this.parseInputValueDef, TokenKind.BRACE_R);\n }\n /**\n * TypeSystemExtension :\n * - SchemaExtension\n * - TypeExtension\n *\n * TypeExtension :\n * - ScalarTypeExtension\n * - ObjectTypeExtension\n * - InterfaceTypeExtension\n * - UnionTypeExtension\n * - EnumTypeExtension\n * - InputObjectTypeDefinition\n */\n ;\n\n _proto.parseTypeSystemExtension = function parseTypeSystemExtension() {\n var keywordToken = this._lexer.lookahead();\n\n if (keywordToken.kind === TokenKind.NAME) {\n switch (keywordToken.value) {\n case 'schema':\n return this.parseSchemaExtension();\n\n case 'scalar':\n return this.parseScalarTypeExtension();\n\n case 'type':\n return this.parseObjectTypeExtension();\n\n case 'interface':\n return this.parseInterfaceTypeExtension();\n\n case 'union':\n return this.parseUnionTypeExtension();\n\n case 'enum':\n return this.parseEnumTypeExtension();\n\n case 'input':\n return this.parseInputObjectTypeExtension();\n }\n }\n\n throw this.unexpected(keywordToken);\n }\n /**\n * SchemaExtension :\n * - extend schema Directives[Const]? { OperationTypeDefinition+ }\n * - extend schema Directives[Const]\n */\n ;\n\n _proto.parseSchemaExtension = function parseSchemaExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('schema');\n var directives = this.parseDirectives(true);\n var operationTypes = this.optionalMany(TokenKind.BRACE_L, this.parseOperationTypeDefinition, TokenKind.BRACE_R);\n\n if (directives.length === 0 && operationTypes.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.SCHEMA_EXTENSION,\n directives: directives,\n operationTypes: operationTypes,\n loc: this.loc(start)\n };\n }\n /**\n * ScalarTypeExtension :\n * - extend scalar Name Directives[Const]\n */\n ;\n\n _proto.parseScalarTypeExtension = function parseScalarTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('scalar');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n\n if (directives.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.SCALAR_TYPE_EXTENSION,\n name: name,\n directives: directives,\n loc: this.loc(start)\n };\n }\n /**\n * ObjectTypeExtension :\n * - extend type Name ImplementsInterfaces? Directives[Const]? FieldsDefinition\n * - extend type Name ImplementsInterfaces? Directives[Const]\n * - extend type Name ImplementsInterfaces\n */\n ;\n\n _proto.parseObjectTypeExtension = function parseObjectTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('type');\n var name = this.parseName();\n var interfaces = this.parseImplementsInterfaces();\n var directives = this.parseDirectives(true);\n var fields = this.parseFieldsDefinition();\n\n if (interfaces.length === 0 && directives.length === 0 && fields.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.OBJECT_TYPE_EXTENSION,\n name: name,\n interfaces: interfaces,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * InterfaceTypeExtension :\n * - extend interface Name ImplementsInterfaces? Directives[Const]? FieldsDefinition\n * - extend interface Name ImplementsInterfaces? Directives[Const]\n * - extend interface Name ImplementsInterfaces\n */\n ;\n\n _proto.parseInterfaceTypeExtension = function parseInterfaceTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('interface');\n var name = this.parseName();\n var interfaces = this.parseImplementsInterfaces();\n var directives = this.parseDirectives(true);\n var fields = this.parseFieldsDefinition();\n\n if (interfaces.length === 0 && directives.length === 0 && fields.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.INTERFACE_TYPE_EXTENSION,\n name: name,\n interfaces: interfaces,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * UnionTypeExtension :\n * - extend union Name Directives[Const]? UnionMemberTypes\n * - extend union Name Directives[Const]\n */\n ;\n\n _proto.parseUnionTypeExtension = function parseUnionTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('union');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var types = this.parseUnionMemberTypes();\n\n if (directives.length === 0 && types.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.UNION_TYPE_EXTENSION,\n name: name,\n directives: directives,\n types: types,\n loc: this.loc(start)\n };\n }\n /**\n * EnumTypeExtension :\n * - extend enum Name Directives[Const]? EnumValuesDefinition\n * - extend enum Name Directives[Const]\n */\n ;\n\n _proto.parseEnumTypeExtension = function parseEnumTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('enum');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var values = this.parseEnumValuesDefinition();\n\n if (directives.length === 0 && values.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.ENUM_TYPE_EXTENSION,\n name: name,\n directives: directives,\n values: values,\n loc: this.loc(start)\n };\n }\n /**\n * InputObjectTypeExtension :\n * - extend input Name Directives[Const]? InputFieldsDefinition\n * - extend input Name Directives[Const]\n */\n ;\n\n _proto.parseInputObjectTypeExtension = function parseInputObjectTypeExtension() {\n var start = this._lexer.token;\n this.expectKeyword('extend');\n this.expectKeyword('input');\n var name = this.parseName();\n var directives = this.parseDirectives(true);\n var fields = this.parseInputFieldsDefinition();\n\n if (directives.length === 0 && fields.length === 0) {\n throw this.unexpected();\n }\n\n return {\n kind: Kind.INPUT_OBJECT_TYPE_EXTENSION,\n name: name,\n directives: directives,\n fields: fields,\n loc: this.loc(start)\n };\n }\n /**\n * DirectiveDefinition :\n * - Description? directive @ Name ArgumentsDefinition? `repeatable`? on DirectiveLocations\n */\n ;\n\n _proto.parseDirectiveDefinition = function parseDirectiveDefinition() {\n var start = this._lexer.token;\n var description = this.parseDescription();\n this.expectKeyword('directive');\n this.expectToken(TokenKind.AT);\n var name = this.parseName();\n var args = this.parseArgumentDefs();\n var repeatable = this.expectOptionalKeyword('repeatable');\n this.expectKeyword('on');\n var locations = this.parseDirectiveLocations();\n return {\n kind: Kind.DIRECTIVE_DEFINITION,\n description: description,\n name: name,\n arguments: args,\n repeatable: repeatable,\n locations: locations,\n loc: this.loc(start)\n };\n }\n /**\n * DirectiveLocations :\n * - `|`? DirectiveLocation\n * - DirectiveLocations | DirectiveLocation\n */\n ;\n\n _proto.parseDirectiveLocations = function parseDirectiveLocations() {\n return this.delimitedMany(TokenKind.PIPE, this.parseDirectiveLocation);\n }\n /*\n * DirectiveLocation :\n * - ExecutableDirectiveLocation\n * - TypeSystemDirectiveLocation\n *\n * ExecutableDirectiveLocation : one of\n * `QUERY`\n * `MUTATION`\n * `SUBSCRIPTION`\n * `FIELD`\n * `FRAGMENT_DEFINITION`\n * `FRAGMENT_SPREAD`\n * `INLINE_FRAGMENT`\n *\n * TypeSystemDirectiveLocation : one of\n * `SCHEMA`\n * `SCALAR`\n * `OBJECT`\n * `FIELD_DEFINITION`\n * `ARGUMENT_DEFINITION`\n * `INTERFACE`\n * `UNION`\n * `ENUM`\n * `ENUM_VALUE`\n * `INPUT_OBJECT`\n * `INPUT_FIELD_DEFINITION`\n */\n ;\n\n _proto.parseDirectiveLocation = function parseDirectiveLocation() {\n var start = this._lexer.token;\n var name = this.parseName();\n\n if (DirectiveLocation[name.value] !== undefined) {\n return name;\n }\n\n throw this.unexpected(start);\n } // Core parsing utility functions\n\n /**\n * Returns a location object, used to identify the place in the source that created a given parsed object.\n */\n ;\n\n _proto.loc = function loc(startToken) {\n var _this$_options4;\n\n if (((_this$_options4 = this._options) === null || _this$_options4 === void 0 ? void 0 : _this$_options4.noLocation) !== true) {\n return new Location(startToken, this._lexer.lastToken, this._lexer.source);\n }\n }\n /**\n * Determines if the next token is of a given kind\n */\n ;\n\n _proto.peek = function peek(kind) {\n return this._lexer.token.kind === kind;\n }\n /**\n * If the next token is of the given kind, return that token after advancing the lexer.\n * Otherwise, do not change the parser state and throw an error.\n */\n ;\n\n _proto.expectToken = function expectToken(kind) {\n var token = this._lexer.token;\n\n if (token.kind === kind) {\n this._lexer.advance();\n\n return token;\n }\n\n throw syntaxError(this._lexer.source, token.start, \"Expected \".concat(getTokenKindDesc(kind), \", found \").concat(getTokenDesc(token), \".\"));\n }\n /**\n * If the next token is of the given kind, return that token after advancing the lexer.\n * Otherwise, do not change the parser state and return undefined.\n */\n ;\n\n _proto.expectOptionalToken = function expectOptionalToken(kind) {\n var token = this._lexer.token;\n\n if (token.kind === kind) {\n this._lexer.advance();\n\n return token;\n }\n\n return undefined;\n }\n /**\n * If the next token is a given keyword, advance the lexer.\n * Otherwise, do not change the parser state and throw an error.\n */\n ;\n\n _proto.expectKeyword = function expectKeyword(value) {\n var token = this._lexer.token;\n\n if (token.kind === TokenKind.NAME && token.value === value) {\n this._lexer.advance();\n } else {\n throw syntaxError(this._lexer.source, token.start, \"Expected \\\"\".concat(value, \"\\\", found \").concat(getTokenDesc(token), \".\"));\n }\n }\n /**\n * If the next token is a given keyword, return \"true\" after advancing the lexer.\n * Otherwise, do not change the parser state and return \"false\".\n */\n ;\n\n _proto.expectOptionalKeyword = function expectOptionalKeyword(value) {\n var token = this._lexer.token;\n\n if (token.kind === TokenKind.NAME && token.value === value) {\n this._lexer.advance();\n\n return true;\n }\n\n return false;\n }\n /**\n * Helper function for creating an error when an unexpected lexed token is encountered.\n */\n ;\n\n _proto.unexpected = function unexpected(atToken) {\n var token = atToken !== null && atToken !== void 0 ? atToken : this._lexer.token;\n return syntaxError(this._lexer.source, token.start, \"Unexpected \".concat(getTokenDesc(token), \".\"));\n }\n /**\n * Returns a possibly empty list of parse nodes, determined by the parseFn.\n * This list begins with a lex token of openKind and ends with a lex token of closeKind.\n * Advances the parser to the next lex token after the closing token.\n */\n ;\n\n _proto.any = function any(openKind, parseFn, closeKind) {\n this.expectToken(openKind);\n var nodes = [];\n\n while (!this.expectOptionalToken(closeKind)) {\n nodes.push(parseFn.call(this));\n }\n\n return nodes;\n }\n /**\n * Returns a list of parse nodes, determined by the parseFn.\n * It can be empty only if open token is missing otherwise it will always return non-empty list\n * that begins with a lex token of openKind and ends with a lex token of closeKind.\n * Advances the parser to the next lex token after the closing token.\n */\n ;\n\n _proto.optionalMany = function optionalMany(openKind, parseFn, closeKind) {\n if (this.expectOptionalToken(openKind)) {\n var nodes = [];\n\n do {\n nodes.push(parseFn.call(this));\n } while (!this.expectOptionalToken(closeKind));\n\n return nodes;\n }\n\n return [];\n }\n /**\n * Returns a non-empty list of parse nodes, determined by the parseFn.\n * This list begins with a lex token of openKind and ends with a lex token of closeKind.\n * Advances the parser to the next lex token after the closing token.\n */\n ;\n\n _proto.many = function many(openKind, parseFn, closeKind) {\n this.expectToken(openKind);\n var nodes = [];\n\n do {\n nodes.push(parseFn.call(this));\n } while (!this.expectOptionalToken(closeKind));\n\n return nodes;\n }\n /**\n * Returns a non-empty list of parse nodes, determined by the parseFn.\n * This list may begin with a lex token of delimiterKind followed by items separated by lex tokens of tokenKind.\n * Advances the parser to the next lex token after last item in the list.\n */\n ;\n\n _proto.delimitedMany = function delimitedMany(delimiterKind, parseFn) {\n this.expectOptionalToken(delimiterKind);\n var nodes = [];\n\n do {\n nodes.push(parseFn.call(this));\n } while (this.expectOptionalToken(delimiterKind));\n\n return nodes;\n };\n\n return Parser;\n}();\n/**\n * A helper function to describe a token as a string for debugging.\n */\n\nfunction getTokenDesc(token) {\n var value = token.value;\n return getTokenKindDesc(token.kind) + (value != null ? \" \\\"\".concat(value, \"\\\"\") : '');\n}\n/**\n * A helper function to describe a token kind as a string for debugging.\n */\n\n\nfunction getTokenKindDesc(kind) {\n return isPunctuatorTokenKind(kind) ? \"\\\"\".concat(kind, \"\\\"\") : kind;\n}\n","import inspect from \"../jsutils/inspect.mjs\";\nimport { isNode } from \"./ast.mjs\";\n/**\n * A visitor is provided to visit, it contains the collection of\n * relevant functions to be called during the visitor's traversal.\n */\n\nexport var QueryDocumentKeys = {\n Name: [],\n Document: ['definitions'],\n OperationDefinition: ['name', 'variableDefinitions', 'directives', 'selectionSet'],\n VariableDefinition: ['variable', 'type', 'defaultValue', 'directives'],\n Variable: ['name'],\n SelectionSet: ['selections'],\n Field: ['alias', 'name', 'arguments', 'directives', 'selectionSet'],\n Argument: ['name', 'value'],\n FragmentSpread: ['name', 'directives'],\n InlineFragment: ['typeCondition', 'directives', 'selectionSet'],\n FragmentDefinition: ['name', // Note: fragment variable definitions are experimental and may be changed\n // or removed in the future.\n 'variableDefinitions', 'typeCondition', 'directives', 'selectionSet'],\n IntValue: [],\n FloatValue: [],\n StringValue: [],\n BooleanValue: [],\n NullValue: [],\n EnumValue: [],\n ListValue: ['values'],\n ObjectValue: ['fields'],\n ObjectField: ['name', 'value'],\n Directive: ['name', 'arguments'],\n NamedType: ['name'],\n ListType: ['type'],\n NonNullType: ['type'],\n SchemaDefinition: ['description', 'directives', 'operationTypes'],\n OperationTypeDefinition: ['type'],\n ScalarTypeDefinition: ['description', 'name', 'directives'],\n ObjectTypeDefinition: ['description', 'name', 'interfaces', 'directives', 'fields'],\n FieldDefinition: ['description', 'name', 'arguments', 'type', 'directives'],\n InputValueDefinition: ['description', 'name', 'type', 'defaultValue', 'directives'],\n InterfaceTypeDefinition: ['description', 'name', 'interfaces', 'directives', 'fields'],\n UnionTypeDefinition: ['description', 'name', 'directives', 'types'],\n EnumTypeDefinition: ['description', 'name', 'directives', 'values'],\n EnumValueDefinition: ['description', 'name', 'directives'],\n InputObjectTypeDefinition: ['description', 'name', 'directives', 'fields'],\n DirectiveDefinition: ['description', 'name', 'arguments', 'locations'],\n SchemaExtension: ['directives', 'operationTypes'],\n ScalarTypeExtension: ['name', 'directives'],\n ObjectTypeExtension: ['name', 'interfaces', 'directives', 'fields'],\n InterfaceTypeExtension: ['name', 'interfaces', 'directives', 'fields'],\n UnionTypeExtension: ['name', 'directives', 'types'],\n EnumTypeExtension: ['name', 'directives', 'values'],\n InputObjectTypeExtension: ['name', 'directives', 'fields']\n};\nexport var BREAK = Object.freeze({});\n/**\n * visit() will walk through an AST using a depth-first traversal, calling\n * the visitor's enter function at each node in the traversal, and calling the\n * leave function after visiting that node and all of its child nodes.\n *\n * By returning different values from the enter and leave functions, the\n * behavior of the visitor can be altered, including skipping over a sub-tree of\n * the AST (by returning false), editing the AST by returning a value or null\n * to remove the value, or to stop the whole traversal by returning BREAK.\n *\n * When using visit() to edit an AST, the original AST will not be modified, and\n * a new version of the AST with the changes applied will be returned from the\n * visit function.\n *\n * const editedAST = visit(ast, {\n * enter(node, key, parent, path, ancestors) {\n * // @return\n * // undefined: no action\n * // false: skip visiting this node\n * // visitor.BREAK: stop visiting altogether\n * // null: delete this node\n * // any value: replace this node with the returned value\n * },\n * leave(node, key, parent, path, ancestors) {\n * // @return\n * // undefined: no action\n * // false: no action\n * // visitor.BREAK: stop visiting altogether\n * // null: delete this node\n * // any value: replace this node with the returned value\n * }\n * });\n *\n * Alternatively to providing enter() and leave() functions, a visitor can\n * instead provide functions named the same as the kinds of AST nodes, or\n * enter/leave visitors at a named key, leading to four permutations of the\n * visitor API:\n *\n * 1) Named visitors triggered when entering a node of a specific kind.\n *\n * visit(ast, {\n * Kind(node) {\n * // enter the \"Kind\" node\n * }\n * })\n *\n * 2) Named visitors that trigger upon entering and leaving a node of\n * a specific kind.\n *\n * visit(ast, {\n * Kind: {\n * enter(node) {\n * // enter the \"Kind\" node\n * }\n * leave(node) {\n * // leave the \"Kind\" node\n * }\n * }\n * })\n *\n * 3) Generic visitors that trigger upon entering and leaving any node.\n *\n * visit(ast, {\n * enter(node) {\n * // enter any node\n * },\n * leave(node) {\n * // leave any node\n * }\n * })\n *\n * 4) Parallel visitors for entering and leaving nodes of a specific kind.\n *\n * visit(ast, {\n * enter: {\n * Kind(node) {\n * // enter the \"Kind\" node\n * }\n * },\n * leave: {\n * Kind(node) {\n * // leave the \"Kind\" node\n * }\n * }\n * })\n */\n\nexport function visit(root, visitor) {\n var visitorKeys = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : QueryDocumentKeys;\n\n /* eslint-disable no-undef-init */\n var stack = undefined;\n var inArray = Array.isArray(root);\n var keys = [root];\n var index = -1;\n var edits = [];\n var node = undefined;\n var key = undefined;\n var parent = undefined;\n var path = [];\n var ancestors = [];\n var newRoot = root;\n /* eslint-enable no-undef-init */\n\n do {\n index++;\n var isLeaving = index === keys.length;\n var isEdited = isLeaving && edits.length !== 0;\n\n if (isLeaving) {\n key = ancestors.length === 0 ? undefined : path[path.length - 1];\n node = parent;\n parent = ancestors.pop();\n\n if (isEdited) {\n if (inArray) {\n node = node.slice();\n } else {\n var clone = {};\n\n for (var _i2 = 0, _Object$keys2 = Object.keys(node); _i2 < _Object$keys2.length; _i2++) {\n var k = _Object$keys2[_i2];\n clone[k] = node[k];\n }\n\n node = clone;\n }\n\n var editOffset = 0;\n\n for (var ii = 0; ii < edits.length; ii++) {\n var editKey = edits[ii][0];\n var editValue = edits[ii][1];\n\n if (inArray) {\n editKey -= editOffset;\n }\n\n if (inArray && editValue === null) {\n node.splice(editKey, 1);\n editOffset++;\n } else {\n node[editKey] = editValue;\n }\n }\n }\n\n index = stack.index;\n keys = stack.keys;\n edits = stack.edits;\n inArray = stack.inArray;\n stack = stack.prev;\n } else {\n key = parent ? inArray ? index : keys[index] : undefined;\n node = parent ? parent[key] : newRoot;\n\n if (node === null || node === undefined) {\n continue;\n }\n\n if (parent) {\n path.push(key);\n }\n }\n\n var result = void 0;\n\n if (!Array.isArray(node)) {\n if (!isNode(node)) {\n throw new Error(\"Invalid AST Node: \".concat(inspect(node), \".\"));\n }\n\n var visitFn = getVisitFn(visitor, node.kind, isLeaving);\n\n if (visitFn) {\n result = visitFn.call(visitor, node, key, parent, path, ancestors);\n\n if (result === BREAK) {\n break;\n }\n\n if (result === false) {\n if (!isLeaving) {\n path.pop();\n continue;\n }\n } else if (result !== undefined) {\n edits.push([key, result]);\n\n if (!isLeaving) {\n if (isNode(result)) {\n node = result;\n } else {\n path.pop();\n continue;\n }\n }\n }\n }\n }\n\n if (result === undefined && isEdited) {\n edits.push([key, node]);\n }\n\n if (isLeaving) {\n path.pop();\n } else {\n var _visitorKeys$node$kin;\n\n stack = {\n inArray: inArray,\n index: index,\n keys: keys,\n edits: edits,\n prev: stack\n };\n inArray = Array.isArray(node);\n keys = inArray ? node : (_visitorKeys$node$kin = visitorKeys[node.kind]) !== null && _visitorKeys$node$kin !== void 0 ? _visitorKeys$node$kin : [];\n index = -1;\n edits = [];\n\n if (parent) {\n ancestors.push(parent);\n }\n\n parent = node;\n }\n } while (stack !== undefined);\n\n if (edits.length !== 0) {\n newRoot = edits[edits.length - 1][1];\n }\n\n return newRoot;\n}\n/**\n * Creates a new visitor instance which delegates to many visitors to run in\n * parallel. Each visitor will be visited for each node before moving on.\n *\n * If a prior visitor edits a node, no following visitors will see that node.\n */\n\nexport function visitInParallel(visitors) {\n var skipping = new Array(visitors.length);\n return {\n enter: function enter(node) {\n for (var i = 0; i < visitors.length; i++) {\n if (skipping[i] == null) {\n var fn = getVisitFn(visitors[i], node.kind,\n /* isLeaving */\n false);\n\n if (fn) {\n var result = fn.apply(visitors[i], arguments);\n\n if (result === false) {\n skipping[i] = node;\n } else if (result === BREAK) {\n skipping[i] = BREAK;\n } else if (result !== undefined) {\n return result;\n }\n }\n }\n }\n },\n leave: function leave(node) {\n for (var i = 0; i < visitors.length; i++) {\n if (skipping[i] == null) {\n var fn = getVisitFn(visitors[i], node.kind,\n /* isLeaving */\n true);\n\n if (fn) {\n var result = fn.apply(visitors[i], arguments);\n\n if (result === BREAK) {\n skipping[i] = BREAK;\n } else if (result !== undefined && result !== false) {\n return result;\n }\n }\n } else if (skipping[i] === node) {\n skipping[i] = null;\n }\n }\n }\n };\n}\n/**\n * Given a visitor instance, if it is leaving or not, and a node kind, return\n * the function the visitor runtime should call.\n */\n\nexport function getVisitFn(visitor, kind, isLeaving) {\n var kindVisitor = visitor[kind];\n\n if (kindVisitor) {\n if (!isLeaving && typeof kindVisitor === 'function') {\n // { Kind() {} }\n return kindVisitor;\n }\n\n var kindSpecificVisitor = isLeaving ? kindVisitor.leave : kindVisitor.enter;\n\n if (typeof kindSpecificVisitor === 'function') {\n // { Kind: { enter() {}, leave() {} } }\n return kindSpecificVisitor;\n }\n } else {\n var specificVisitor = isLeaving ? visitor.leave : visitor.enter;\n\n if (specificVisitor) {\n if (typeof specificVisitor === 'function') {\n // { enter() {}, leave() {} }\n return specificVisitor;\n }\n\n var specificKindVisitor = specificVisitor[kind];\n\n if (typeof specificKindVisitor === 'function') {\n // { enter: { Kind() {} }, leave: { Kind() {} } }\n return specificKindVisitor;\n }\n }\n }\n}\n","import { visit } from \"./visitor.mjs\";\nimport { printBlockString } from \"./blockString.mjs\";\n/**\n * Converts an AST into a string, using one set of reasonable\n * formatting rules.\n */\n\nexport function print(ast) {\n return visit(ast, {\n leave: printDocASTReducer\n });\n}\nvar MAX_LINE_LENGTH = 80; // TODO: provide better type coverage in future\n\nvar printDocASTReducer = {\n Name: function Name(node) {\n return node.value;\n },\n Variable: function Variable(node) {\n return '$' + node.name;\n },\n // Document\n Document: function Document(node) {\n return join(node.definitions, '\\n\\n') + '\\n';\n },\n OperationDefinition: function OperationDefinition(node) {\n var op = node.operation;\n var name = node.name;\n var varDefs = wrap('(', join(node.variableDefinitions, ', '), ')');\n var directives = join(node.directives, ' ');\n var selectionSet = node.selectionSet; // Anonymous queries with no directives or variable definitions can use\n // the query short form.\n\n return !name && !directives && !varDefs && op === 'query' ? selectionSet : join([op, join([name, varDefs]), directives, selectionSet], ' ');\n },\n VariableDefinition: function VariableDefinition(_ref) {\n var variable = _ref.variable,\n type = _ref.type,\n defaultValue = _ref.defaultValue,\n directives = _ref.directives;\n return variable + ': ' + type + wrap(' = ', defaultValue) + wrap(' ', join(directives, ' '));\n },\n SelectionSet: function SelectionSet(_ref2) {\n var selections = _ref2.selections;\n return block(selections);\n },\n Field: function Field(_ref3) {\n var alias = _ref3.alias,\n name = _ref3.name,\n args = _ref3.arguments,\n directives = _ref3.directives,\n selectionSet = _ref3.selectionSet;\n var prefix = wrap('', alias, ': ') + name;\n var argsLine = prefix + wrap('(', join(args, ', '), ')');\n\n if (argsLine.length > MAX_LINE_LENGTH) {\n argsLine = prefix + wrap('(\\n', indent(join(args, '\\n')), '\\n)');\n }\n\n return join([argsLine, join(directives, ' '), selectionSet], ' ');\n },\n Argument: function Argument(_ref4) {\n var name = _ref4.name,\n value = _ref4.value;\n return name + ': ' + value;\n },\n // Fragments\n FragmentSpread: function FragmentSpread(_ref5) {\n var name = _ref5.name,\n directives = _ref5.directives;\n return '...' + name + wrap(' ', join(directives, ' '));\n },\n InlineFragment: function InlineFragment(_ref6) {\n var typeCondition = _ref6.typeCondition,\n directives = _ref6.directives,\n selectionSet = _ref6.selectionSet;\n return join(['...', wrap('on ', typeCondition), join(directives, ' '), selectionSet], ' ');\n },\n FragmentDefinition: function FragmentDefinition(_ref7) {\n var name = _ref7.name,\n typeCondition = _ref7.typeCondition,\n variableDefinitions = _ref7.variableDefinitions,\n directives = _ref7.directives,\n selectionSet = _ref7.selectionSet;\n return (// Note: fragment variable definitions are experimental and may be changed\n // or removed in the future.\n \"fragment \".concat(name).concat(wrap('(', join(variableDefinitions, ', '), ')'), \" \") + \"on \".concat(typeCondition, \" \").concat(wrap('', join(directives, ' '), ' ')) + selectionSet\n );\n },\n // Value\n IntValue: function IntValue(_ref8) {\n var value = _ref8.value;\n return value;\n },\n FloatValue: function FloatValue(_ref9) {\n var value = _ref9.value;\n return value;\n },\n StringValue: function StringValue(_ref10, key) {\n var value = _ref10.value,\n isBlockString = _ref10.block;\n return isBlockString ? printBlockString(value, key === 'description' ? '' : ' ') : JSON.stringify(value);\n },\n BooleanValue: function BooleanValue(_ref11) {\n var value = _ref11.value;\n return value ? 'true' : 'false';\n },\n NullValue: function NullValue() {\n return 'null';\n },\n EnumValue: function EnumValue(_ref12) {\n var value = _ref12.value;\n return value;\n },\n ListValue: function ListValue(_ref13) {\n var values = _ref13.values;\n return '[' + join(values, ', ') + ']';\n },\n ObjectValue: function ObjectValue(_ref14) {\n var fields = _ref14.fields;\n return '{' + join(fields, ', ') + '}';\n },\n ObjectField: function ObjectField(_ref15) {\n var name = _ref15.name,\n value = _ref15.value;\n return name + ': ' + value;\n },\n // Directive\n Directive: function Directive(_ref16) {\n var name = _ref16.name,\n args = _ref16.arguments;\n return '@' + name + wrap('(', join(args, ', '), ')');\n },\n // Type\n NamedType: function NamedType(_ref17) {\n var name = _ref17.name;\n return name;\n },\n ListType: function ListType(_ref18) {\n var type = _ref18.type;\n return '[' + type + ']';\n },\n NonNullType: function NonNullType(_ref19) {\n var type = _ref19.type;\n return type + '!';\n },\n // Type System Definitions\n SchemaDefinition: addDescription(function (_ref20) {\n var directives = _ref20.directives,\n operationTypes = _ref20.operationTypes;\n return join(['schema', join(directives, ' '), block(operationTypes)], ' ');\n }),\n OperationTypeDefinition: function OperationTypeDefinition(_ref21) {\n var operation = _ref21.operation,\n type = _ref21.type;\n return operation + ': ' + type;\n },\n ScalarTypeDefinition: addDescription(function (_ref22) {\n var name = _ref22.name,\n directives = _ref22.directives;\n return join(['scalar', name, join(directives, ' ')], ' ');\n }),\n ObjectTypeDefinition: addDescription(function (_ref23) {\n var name = _ref23.name,\n interfaces = _ref23.interfaces,\n directives = _ref23.directives,\n fields = _ref23.fields;\n return join(['type', name, wrap('implements ', join(interfaces, ' & ')), join(directives, ' '), block(fields)], ' ');\n }),\n FieldDefinition: addDescription(function (_ref24) {\n var name = _ref24.name,\n args = _ref24.arguments,\n type = _ref24.type,\n directives = _ref24.directives;\n return name + (hasMultilineItems(args) ? wrap('(\\n', indent(join(args, '\\n')), '\\n)') : wrap('(', join(args, ', '), ')')) + ': ' + type + wrap(' ', join(directives, ' '));\n }),\n InputValueDefinition: addDescription(function (_ref25) {\n var name = _ref25.name,\n type = _ref25.type,\n defaultValue = _ref25.defaultValue,\n directives = _ref25.directives;\n return join([name + ': ' + type, wrap('= ', defaultValue), join(directives, ' ')], ' ');\n }),\n InterfaceTypeDefinition: addDescription(function (_ref26) {\n var name = _ref26.name,\n interfaces = _ref26.interfaces,\n directives = _ref26.directives,\n fields = _ref26.fields;\n return join(['interface', name, wrap('implements ', join(interfaces, ' & ')), join(directives, ' '), block(fields)], ' ');\n }),\n UnionTypeDefinition: addDescription(function (_ref27) {\n var name = _ref27.name,\n directives = _ref27.directives,\n types = _ref27.types;\n return join(['union', name, join(directives, ' '), types && types.length !== 0 ? '= ' + join(types, ' | ') : ''], ' ');\n }),\n EnumTypeDefinition: addDescription(function (_ref28) {\n var name = _ref28.name,\n directives = _ref28.directives,\n values = _ref28.values;\n return join(['enum', name, join(directives, ' '), block(values)], ' ');\n }),\n EnumValueDefinition: addDescription(function (_ref29) {\n var name = _ref29.name,\n directives = _ref29.directives;\n return join([name, join(directives, ' ')], ' ');\n }),\n InputObjectTypeDefinition: addDescription(function (_ref30) {\n var name = _ref30.name,\n directives = _ref30.directives,\n fields = _ref30.fields;\n return join(['input', name, join(directives, ' '), block(fields)], ' ');\n }),\n DirectiveDefinition: addDescription(function (_ref31) {\n var name = _ref31.name,\n args = _ref31.arguments,\n repeatable = _ref31.repeatable,\n locations = _ref31.locations;\n return 'directive @' + name + (hasMultilineItems(args) ? wrap('(\\n', indent(join(args, '\\n')), '\\n)') : wrap('(', join(args, ', '), ')')) + (repeatable ? ' repeatable' : '') + ' on ' + join(locations, ' | ');\n }),\n SchemaExtension: function SchemaExtension(_ref32) {\n var directives = _ref32.directives,\n operationTypes = _ref32.operationTypes;\n return join(['extend schema', join(directives, ' '), block(operationTypes)], ' ');\n },\n ScalarTypeExtension: function ScalarTypeExtension(_ref33) {\n var name = _ref33.name,\n directives = _ref33.directives;\n return join(['extend scalar', name, join(directives, ' ')], ' ');\n },\n ObjectTypeExtension: function ObjectTypeExtension(_ref34) {\n var name = _ref34.name,\n interfaces = _ref34.interfaces,\n directives = _ref34.directives,\n fields = _ref34.fields;\n return join(['extend type', name, wrap('implements ', join(interfaces, ' & ')), join(directives, ' '), block(fields)], ' ');\n },\n InterfaceTypeExtension: function InterfaceTypeExtension(_ref35) {\n var name = _ref35.name,\n interfaces = _ref35.interfaces,\n directives = _ref35.directives,\n fields = _ref35.fields;\n return join(['extend interface', name, wrap('implements ', join(interfaces, ' & ')), join(directives, ' '), block(fields)], ' ');\n },\n UnionTypeExtension: function UnionTypeExtension(_ref36) {\n var name = _ref36.name,\n directives = _ref36.directives,\n types = _ref36.types;\n return join(['extend union', name, join(directives, ' '), types && types.length !== 0 ? '= ' + join(types, ' | ') : ''], ' ');\n },\n EnumTypeExtension: function EnumTypeExtension(_ref37) {\n var name = _ref37.name,\n directives = _ref37.directives,\n values = _ref37.values;\n return join(['extend enum', name, join(directives, ' '), block(values)], ' ');\n },\n InputObjectTypeExtension: function InputObjectTypeExtension(_ref38) {\n var name = _ref38.name,\n directives = _ref38.directives,\n fields = _ref38.fields;\n return join(['extend input', name, join(directives, ' '), block(fields)], ' ');\n }\n};\n\nfunction addDescription(cb) {\n return function (node) {\n return join([node.description, cb(node)], '\\n');\n };\n}\n/**\n * Given maybeArray, print an empty string if it is null or empty, otherwise\n * print all items together separated by separator if provided\n */\n\n\nfunction join(maybeArray) {\n var _maybeArray$filter$jo;\n\n var separator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';\n return (_maybeArray$filter$jo = maybeArray === null || maybeArray === void 0 ? void 0 : maybeArray.filter(function (x) {\n return x;\n }).join(separator)) !== null && _maybeArray$filter$jo !== void 0 ? _maybeArray$filter$jo : '';\n}\n/**\n * Given array, print each item on its own line, wrapped in an\n * indented \"{ }\" block.\n */\n\n\nfunction block(array) {\n return wrap('{\\n', indent(join(array, '\\n')), '\\n}');\n}\n/**\n * If maybeString is not null or empty, then wrap with start and end, otherwise print an empty string.\n */\n\n\nfunction wrap(start, maybeString) {\n var end = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';\n return maybeString != null && maybeString !== '' ? start + maybeString + end : '';\n}\n\nfunction indent(str) {\n return wrap(' ', str.replace(/\\n/g, '\\n '));\n}\n\nfunction isMultiline(str) {\n return str.indexOf('\\n') !== -1;\n}\n\nfunction hasMultilineItems(maybeArray) {\n return maybeArray != null && maybeArray.some(isMultiline);\n}\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __createBinding(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","const SHORT_TO_HEX: { [key: number]: string } = {};\nconst HEX_TO_SHORT: { [key: string]: number } = {};\n\nfor (let i = 0; i < 256; i++) {\n let encodedByte = i.toString(16).toLowerCase();\n if (encodedByte.length === 1) {\n encodedByte = `0${encodedByte}`;\n }\n\n SHORT_TO_HEX[i] = encodedByte;\n HEX_TO_SHORT[encodedByte] = i;\n}\n\n/**\n * Converts a hexadecimal encoded string to a Uint8Array of bytes.\n *\n * @param encoded The hexadecimal encoded string\n */\nexport function fromHex(encoded: string): Uint8Array {\n if (encoded.length % 2 !== 0) {\n throw new Error(\"Hex encoded strings must have an even number length\");\n }\n\n const out = new Uint8Array(encoded.length / 2);\n for (let i = 0; i < encoded.length; i += 2) {\n const encodedByte = encoded.substr(i, 2).toLowerCase();\n if (encodedByte in HEX_TO_SHORT) {\n out[i / 2] = HEX_TO_SHORT[encodedByte];\n } else {\n throw new Error(`Cannot decode unrecognized sequence ${encodedByte} as hexadecimal`);\n }\n }\n\n return out;\n}\n\n/**\n * Converts a Uint8Array of binary data to a hexadecimal encoded string.\n *\n * @param bytes The binary data to encode\n */\nexport function toHex(bytes: Uint8Array): string {\n let out = \"\";\n for (let i = 0; i < bytes.byteLength; i++) {\n out += SHORT_TO_HEX[bytes[i]];\n }\n\n return out;\n}\n","/* tslint:disable */\n\nimport zenObservable from 'zen-observable';\n\nnamespace Observable {\n\n}\n\nimport { ZenObservable } from './types';\n\nexport { ZenObservable };\n\nexport type Observer = ZenObservable.Observer;\nexport type Subscriber = ZenObservable.Subscriber;\nexport type ObservableLike = ZenObservable.ObservableLike;\n\nexport const Observable: {\n new (subscriber: Subscriber): Observable;\n from(\n observable: Observable | ZenObservable.ObservableLike | ArrayLike,\n ): Observable;\n of(...args: Array): Observable;\n} = zenObservable;\n\nexport interface Observable {\n subscribe(\n observerOrNext: ((value: T) => void) | ZenObservable.Observer,\n error?: (error: any) => void,\n complete?: () => void,\n ): ZenObservable.Subscription;\n\n forEach(fn: (value: T) => void): Promise;\n\n map(fn: (value: T) => R): Observable;\n\n filter(fn: (value: T) => boolean): Observable;\n\n reduce(\n fn: (previousValue: R | T, currentValue: T) => R | T,\n initialValue?: R | T,\n ): Observable;\n\n flatMap(fn: (value: T) => ZenObservable.ObservableLike): Observable;\n\n from(\n observable: Observable | ZenObservable.ObservableLike | ArrayLike,\n ): Observable;\n of(...args: Array): Observable;\n}\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Date & time utility functions to abstract the `aws-sdk` away from users.\n * (v2 => v3 modularization is a breaking change)\n *\n * @see https://github.com/aws/aws-sdk-js/blob/6edf586dcc1de7fe8fbfbbd9a0d2b1847921e6e1/lib/util.js#L262\n */\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\n// Comment - TODO: remove\nvar FIVE_MINUTES_IN_MS = 1000 * 60 * 5;\nexport var DateUtils = {\n /**\n * Milliseconds to offset the date to compensate for clock skew between device & services\n */\n clockOffset: 0,\n getDateWithClockOffset: function () {\n if (DateUtils.clockOffset) {\n return new Date(new Date().getTime() + DateUtils.clockOffset);\n }\n else {\n return new Date();\n }\n },\n /**\n * @returns {number} Clock offset in milliseconds\n */\n getClockOffset: function () {\n return DateUtils.clockOffset;\n },\n getHeaderStringFromDate: function (date) {\n if (date === void 0) { date = DateUtils.getDateWithClockOffset(); }\n return date.toISOString().replace(/[:\\-]|\\.\\d{3}/g, '');\n },\n getDateFromHeaderString: function (header) {\n var _a = __read(header.match(/^(\\d{4})(\\d{2})(\\d{2})T(\\d{2})(\\d{2})(\\d{2}).+/), 7), year = _a[1], month = _a[2], day = _a[3], hour = _a[4], minute = _a[5], second = _a[6];\n return new Date(Date.UTC(Number(year), Number(month) - 1, Number(day), Number(hour), Number(minute), Number(second)));\n },\n isClockSkewed: function (serverDate) {\n // API gateway permits client calls that are off by no more than ±5 minutes\n return (Math.abs(serverDate.getTime() - DateUtils.getDateWithClockOffset().getTime()) >= FIVE_MINUTES_IN_MS);\n },\n isClockSkewError: function (error) {\n if (!error.response || !error.response.headers) {\n return false;\n }\n var headers = error.response.headers;\n return Boolean(['BadRequestException', 'InvalidSignatureException'].includes(headers['x-amzn-errortype']) &&\n (headers.date || headers.Date));\n },\n /**\n * @param {number} offset Clock offset in milliseconds\n */\n setClockOffset: function (offset) {\n DateUtils.clockOffset = offset;\n },\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Returns signed headers.\n *\n * @param headers `headers` from the request.\n * @returns List of headers included in canonical headers, separated by semicolons (;). This indicates which headers\n * are part of the signing process. Header names must use lowercase characters and must appear in alphabetical order.\n *\n * @internal\n */\nexport var getSignedHeaders = function (headers) {\n return Object.keys(headers)\n .map(function (key) { return key.toLowerCase(); })\n .sort()\n .join(';');\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n// query params\nexport var ALGORITHM_QUERY_PARAM = 'X-Amz-Algorithm';\nexport var AMZ_DATE_QUERY_PARAM = 'X-Amz-Date';\nexport var CREDENTIAL_QUERY_PARAM = 'X-Amz-Credential';\nexport var EXPIRES_QUERY_PARAM = 'X-Amz-Expires';\nexport var REGION_SET_PARAM = 'X-Amz-Region-Set';\nexport var SIGNATURE_QUERY_PARAM = 'X-Amz-Signature';\nexport var SIGNED_HEADERS_QUERY_PARAM = 'X-Amz-SignedHeaders';\nexport var TOKEN_QUERY_PARAM = 'X-Amz-Security-Token';\n// headers\nexport var AUTH_HEADER = 'authorization';\nexport var HOST_HEADER = 'host';\nexport var AMZ_DATE_HEADER = AMZ_DATE_QUERY_PARAM.toLowerCase();\nexport var TOKEN_HEADER = TOKEN_QUERY_PARAM.toLowerCase();\n// identifiers\nexport var KEY_TYPE_IDENTIFIER = 'aws4_request';\nexport var SHA256_ALGORITHM_IDENTIFIER = 'AWS4-HMAC-SHA256';\nexport var SIGNATURE_IDENTIFIER = 'AWS4';\n// preset values\nexport var EMPTY_HASH = 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855';\nexport var UNSIGNED_PAYLOAD = 'UNSIGNED-PAYLOAD';\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { getCredentialScope } from './getCredentialScope';\nimport { getFormattedDates } from './getFormattedDates';\n/**\n * Extracts common values used for signing both requests and urls.\n *\n * @param options `SignRequestOptions` object containing values used to construct the signature.\n * @returns Common `SigningValues` used for signing.\n *\n * @internal\n */\nexport var getSigningValues = function (_a) {\n var credentials = _a.credentials, _b = _a.signingDate, signingDate = _b === void 0 ? new Date() : _b, signingRegion = _a.signingRegion, signingService = _a.signingService, _c = _a.uriEscapePath, uriEscapePath = _c === void 0 ? true : _c;\n // get properties from credentials\n var accessKeyId = credentials.accessKeyId, secretAccessKey = credentials.secretAccessKey, sessionToken = credentials.sessionToken;\n // get formatted dates for signing\n var _d = getFormattedDates(signingDate), longDate = _d.longDate, shortDate = _d.shortDate;\n // copy header and set signing properties\n var credentialScope = getCredentialScope(shortDate, signingRegion, signingService);\n return {\n accessKeyId: accessKeyId,\n credentialScope: credentialScope,\n longDate: longDate,\n secretAccessKey: secretAccessKey,\n sessionToken: sessionToken,\n shortDate: shortDate,\n signingRegion: signingRegion,\n signingService: signingService,\n uriEscapePath: uriEscapePath,\n };\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { KEY_TYPE_IDENTIFIER } from '../constants';\n/**\n * Returns the credential scope which restricts the resulting signature to the specified region and service.\n *\n * @param date Current date in the format 'YYYYMMDD'.\n * @param region AWS region in which the service resides.\n * @param service Service to which the signed request is being sent.\n *\n * @returns A string representing the credential scope with format 'YYYYMMDD/region/service/aws4_request'.\n *\n * @internal\n */\nexport var getCredentialScope = function (date, region, service) { return \"\".concat(date, \"/\").concat(region, \"/\").concat(service, \"/\").concat(KEY_TYPE_IDENTIFIER); };\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Returns expected date strings to be used in signing.\n *\n * @param date JavaScript `Date` object.\n * @returns `FormattedDates` object containing the following:\n * - longDate: A date string in 'YYYYMMDDThhmmssZ' format\n * - shortDate: A date string in 'YYYYMMDD' format\n *\n * @internal\n */\nexport var getFormattedDates = function (date) {\n var longDate = date.toISOString().replace(/[:\\-]|\\.\\d{3}/g, '');\n return {\n longDate: longDate,\n shortDate: longDate.slice(0, 8),\n };\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n// TODO: V6 update to different crypto dependency?\nimport { Sha256 } from '@aws-crypto/sha256-js';\nimport { toHex } from '@aws-sdk/util-hex-encoding';\n/**\n * Returns the hashed data a `Uint8Array`.\n *\n * @param key `SourceData` to be used as hashing key.\n * @param data Hashable `SourceData`.\n * @returns `Uint8Array` created from the data as input to a hash function.\n */\nexport var getHashedData = function (key, data) {\n var sha256 = new Sha256(key);\n sha256.update(data);\n // TODO: V6 flip to async digest\n var hashedData = sha256.digestSync();\n return hashedData;\n};\n/**\n * Returns the hashed data as a hex string.\n *\n * @param key `SourceData` to be used as hashing key.\n * @param data Hashable `SourceData`.\n * @returns String using lowercase hexadecimal characters created from the data as input to a hash function.\n *\n * @internal\n */\nexport var getHashedDataAsHex = function (key, data) {\n var hashedData = getHashedData(key, data);\n return toHex(hashedData);\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\n/**\n * Returns canonical headers.\n *\n * @param headers Headers from the request.\n * @returns Request headers that will be signed, and their values, separated by newline characters. Header names must\n * use lowercase characters, must appear in alphabetical order, and must be followed by a colon (:). For the values,\n * trim any leading or trailing spaces, convert sequential spaces to a single space, and separate the values\n * for a multi-value header using commas.\n *\n * @internal\n */\nexport var getCanonicalHeaders = function (headers) {\n return Object.entries(headers)\n .map(function (_a) {\n var _b;\n var _c = __read(_a, 2), key = _c[0], value = _c[1];\n return ({\n key: key.toLowerCase(),\n value: (_b = value === null || value === void 0 ? void 0 : value.trim().replace(/\\s+/g, ' ')) !== null && _b !== void 0 ? _b : '',\n });\n })\n .sort(function (a, b) { return (a.key < b.key ? -1 : 1); })\n .map(function (entry) { return \"\".concat(entry.key, \":\").concat(entry.value, \"\\n\"); })\n .join('');\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\n/**\n * Returns a canonical query string.\n *\n * @param searchParams `searchParams` from the request url.\n * @returns URL-encoded query string parameters, separated by ampersands (&). Percent-encode reserved characters,\n * including the space character. Encode names and values separately. If there are empty parameters, append the equals\n * sign to the parameter name before encoding. After encoding, sort the parameters alphabetically by key name. If there\n * is no query string, use an empty string (\"\").\n *\n * @internal\n */\nexport var getCanonicalQueryString = function (searchParams) {\n return Array.from(searchParams)\n .sort(function (_a, _b) {\n var _c = __read(_a, 2), keyA = _c[0], valA = _c[1];\n var _d = __read(_b, 2), keyB = _d[0], valB = _d[1];\n if (keyA === keyB) {\n return valA < valB ? -1 : 1;\n }\n return keyA < keyB ? -1 : 1;\n })\n .map(function (_a) {\n var _b = __read(_a, 2), key = _b[0], val = _b[1];\n return \"\".concat(escapeUri(key), \"=\").concat(escapeUri(val));\n })\n .join('&');\n};\nvar escapeUri = function (uri) {\n return encodeURIComponent(uri).replace(/[!'()*]/g, hexEncode);\n};\nvar hexEncode = function (c) {\n return \"%\".concat(c.charCodeAt(0).toString(16).toUpperCase());\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n/**\n * Returns a canonical uri.\n *\n * @param pathname `pathname` from request url.\n * @param uriEscapePath Whether to uri encode the path as part of canonical uri. It's used for S3 only where the\n * pathname is already uri encoded, and the signing process is not expected to uri encode it again. Defaults to true.\n * @returns URI-encoded version of the absolute path component URL (everything between the host and the question mark\n * character (?) that starts the query string parameters). If the absolute path is empty, a forward slash character (/).\n *\n * @internal\n */\nexport var getCanonicalUri = function (pathname, uriEscapePath) {\n if (uriEscapePath === void 0) { uriEscapePath = true; }\n return pathname\n ? uriEscapePath\n ? encodeURIComponent(pathname).replace(/%2F/g, '/')\n : pathname\n : '/';\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { EMPTY_HASH, UNSIGNED_PAYLOAD } from '../constants';\nimport { getHashedDataAsHex } from './dataHashHelpers';\n/**\n * Returns the hashed payload.\n *\n * @param body `body` (payload) from the request.\n * @returns String created using the payload in the body of the HTTP request as input to a hash function. This string\n * uses lowercase hexadecimal characters. If the payload is empty, return precalculated result of an empty hash.\n *\n * @internal\n */\nexport var getHashedPayload = function (body) {\n // return precalculated empty hash if body is undefined or null\n if (body == null) {\n return EMPTY_HASH;\n }\n if (isSourceData(body)) {\n var hashedData = getHashedDataAsHex(null, body);\n return hashedData;\n }\n // Defined body is not signable. Return unsigned payload which may or may not be accepted by the service.\n return UNSIGNED_PAYLOAD;\n};\nvar isSourceData = function (body) {\n return typeof body === 'string' || ArrayBuffer.isView(body) || isArrayBuffer(body);\n};\nvar isArrayBuffer = function (arg) {\n return (typeof ArrayBuffer === 'function' && arg instanceof ArrayBuffer) ||\n Object.prototype.toString.call(arg) === '[object ArrayBuffer]';\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { getHashedDataAsHex } from './dataHashHelpers';\nimport { getCanonicalRequest } from './getCanonicalRequest';\nimport { getSigningKey } from './getSigningKey';\nimport { getStringToSign } from './getStringToSign';\n/**\n * Calculates and returns an AWS API Signature.\n * https://docs.aws.amazon.com/IAM/latest/UserGuide/create-signed-request.html\n *\n * @param request `HttpRequest` to be signed.\n * @param signRequestOptions `SignRequestOptions` object containing values used to construct the signature.\n * @returns AWS API Signature to sign a request or url with.\n *\n * @internal\n */\nexport var getSignature = function (request, _a) {\n var credentialScope = _a.credentialScope, longDate = _a.longDate, secretAccessKey = _a.secretAccessKey, shortDate = _a.shortDate, signingRegion = _a.signingRegion, signingService = _a.signingService, uriEscapePath = _a.uriEscapePath;\n // step 1: create a canonical request\n var canonicalRequest = getCanonicalRequest(request, uriEscapePath);\n // step 2: create a hash of the canonical request\n var hashedRequest = getHashedDataAsHex(null, canonicalRequest);\n // step 3: create a string to sign\n var stringToSign = getStringToSign(longDate, credentialScope, hashedRequest);\n // step 4: calculate the signature\n var signature = getHashedDataAsHex(getSigningKey(secretAccessKey, shortDate, signingRegion, signingService), stringToSign);\n return signature;\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { getCanonicalHeaders } from './getCanonicalHeaders';\nimport { getCanonicalQueryString } from './getCanonicalQueryString';\nimport { getCanonicalUri } from './getCanonicalUri';\nimport { getHashedPayload } from './getHashedPayload';\nimport { getSignedHeaders } from './getSignedHeaders';\n/**\n * Returns a canonical request.\n *\n * @param request `HttpRequest` from which to create the canonical request from.\n * @param uriEscapePath Whether to uri encode the path as part of canonical uri. It's used for S3 only where the\n * pathname is already uri encoded, and the signing process is not expected to uri encode it again. Defaults to true.\n * @returns String created by by concatenating the following strings, separated by newline characters:\n * - HTTPMethod\n * - CanonicalUri\n * - CanonicalQueryString\n * - CanonicalHeaders\n * - SignedHeaders\n * - HashedPayload\n *\n * @internal\n */\nexport var getCanonicalRequest = function (_a, uriEscapePath) {\n var body = _a.body, headers = _a.headers, method = _a.method, url = _a.url;\n if (uriEscapePath === void 0) { uriEscapePath = true; }\n return [\n method,\n getCanonicalUri(url.pathname, uriEscapePath),\n getCanonicalQueryString(url.searchParams),\n getCanonicalHeaders(headers),\n getSignedHeaders(headers),\n getHashedPayload(body),\n ].join('\\n');\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { SHA256_ALGORITHM_IDENTIFIER } from '../constants';\n/**\n * Returns a string to be signed.\n *\n * @param date Current date in the format 'YYYYMMDDThhmmssZ'.\n * @param credentialScope String representing the credential scope with format 'YYYYMMDD/region/service/aws4_request'.\n * @param hashedRequest Hashed canonical request.\n *\n * @returns A string created by by concatenating the following strings, separated by newline characters:\n * - Algorithm\n * - RequestDateTime\n * - CredentialScope\n * - HashedCanonicalRequest\n *\n * @internal\n */\nexport var getStringToSign = function (date, credentialScope, hashedRequest) {\n return [SHA256_ALGORITHM_IDENTIFIER, date, credentialScope, hashedRequest].join('\\n');\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { KEY_TYPE_IDENTIFIER, SIGNATURE_IDENTIFIER } from '../constants';\nimport { getHashedData } from './dataHashHelpers';\n/**\n * Returns a signing key to be used for signing requests.\n *\n * @param secretAccessKey AWS secret access key from credentials.\n * @param date Current date in the format 'YYYYMMDD'.\n * @param region AWS region in which the service resides.\n * @param service Service to which the signed request is being sent.\n *\n * @returns `Uint8Array` calculated from its composite parts.\n *\n * @internal\n */\nexport var getSigningKey = function (secretAccessKey, date, region, service) {\n var key = \"\".concat(SIGNATURE_IDENTIFIER).concat(secretAccessKey);\n var dateKey = getHashedData(key, date);\n var regionKey = getHashedData(dateKey, region);\n var serviceKey = getHashedData(regionKey, service);\n var signingKey = getHashedData(serviceKey, KEY_TYPE_IDENTIFIER);\n return signingKey;\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nimport { getSignedHeaders } from './utils/getSignedHeaders';\nimport { getSigningValues } from './utils/getSigningValues';\nimport { AMZ_DATE_HEADER, AUTH_HEADER, HOST_HEADER, SHA256_ALGORITHM_IDENTIFIER, TOKEN_HEADER, } from './constants';\nimport { getSignature } from './utils/getSignature';\n/**\n * Given a `HttpRequest`, returns a Signature Version 4 signed `HttpRequest`.\n *\n * @param request `HttpRequest` to be signed.\n * @param signRequestOptions `SignRequestOptions` object containing values used to construct the signature.\n * @returns A `HttpRequest` with authentication headers which can grant temporary access to AWS resources.\n */\nexport var signRequest = function (request, options) {\n var signingValues = getSigningValues(options);\n var accessKeyId = signingValues.accessKeyId, credentialScope = signingValues.credentialScope, longDate = signingValues.longDate, sessionToken = signingValues.sessionToken;\n // create the request to sign\n var headers = __assign({}, request.headers);\n headers[HOST_HEADER] = request.url.host;\n headers[AMZ_DATE_HEADER] = longDate;\n if (sessionToken) {\n headers[TOKEN_HEADER] = sessionToken;\n }\n var requestToSign = __assign(__assign({}, request), { headers: headers });\n // calculate and add the signature to the request\n var signature = getSignature(requestToSign, signingValues);\n var credentialEntry = \"Credential=\".concat(accessKeyId, \"/\").concat(credentialScope);\n var signedHeadersEntry = \"SignedHeaders=\".concat(getSignedHeaders(headers));\n var signatureEntry = \"Signature=\".concat(signature);\n headers[AUTH_HEADER] = \"\".concat(SHA256_ALGORITHM_IDENTIFIER, \" \").concat(credentialEntry, \", \").concat(signedHeadersEntry, \", \").concat(signatureEntry);\n return requestToSign;\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nvar __rest = (this && this.__rest) || function (s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n};\nvar __read = (this && this.__read) || function (o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o), r, ar = [], e;\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\n }\n catch (error) { e = { error: error }; }\n finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n }\n finally { if (e) throw e.error; }\n }\n return ar;\n};\nimport { ALGORITHM_QUERY_PARAM, AMZ_DATE_QUERY_PARAM, CREDENTIAL_QUERY_PARAM, EXPIRES_QUERY_PARAM, HOST_HEADER, SHA256_ALGORITHM_IDENTIFIER, SIGNATURE_QUERY_PARAM, SIGNED_HEADERS_QUERY_PARAM, TOKEN_QUERY_PARAM, } from './constants';\nimport { getSigningValues } from './utils/getSigningValues';\nimport { getSignature } from './utils/getSignature';\n/**\n * Given a `Presignable` object, returns a Signature Version 4 presigned `URL` object.\n *\n * @param presignable `Presignable` object containing at least a url to be presigned with authentication query params.\n * @param presignUrlOptions `PresignUrlOptions` object containing values used to construct the signature.\n * @returns A `URL` with authentication query params which can grant temporary access to AWS resources.\n */\nexport var presignUrl = function (_a, _b) {\n var _c, _d, _e, _f;\n var body = _a.body, _g = _a.method, method = _g === void 0 ? 'GET' : _g, url = _a.url;\n var expiration = _b.expiration, options = __rest(_b, [\"expiration\"]);\n var signingValues = getSigningValues(options);\n var accessKeyId = signingValues.accessKeyId, credentialScope = signingValues.credentialScope, longDate = signingValues.longDate, sessionToken = signingValues.sessionToken;\n // create the request to sign\n // @ts-ignore URL constructor accepts a URL object\n var presignedUrl = new URL(url);\n Object.entries(__assign(__assign((_c = {}, _c[ALGORITHM_QUERY_PARAM] = SHA256_ALGORITHM_IDENTIFIER, _c[CREDENTIAL_QUERY_PARAM] = \"\".concat(accessKeyId, \"/\").concat(credentialScope), _c[AMZ_DATE_QUERY_PARAM] = longDate, _c[SIGNED_HEADERS_QUERY_PARAM] = HOST_HEADER, _c), (expiration && (_d = {}, _d[EXPIRES_QUERY_PARAM] = expiration.toString(), _d))), (sessionToken && (_e = {}, _e[TOKEN_QUERY_PARAM] = sessionToken, _e)))).forEach(function (_a) {\n var _b = __read(_a, 2), key = _b[0], value = _b[1];\n presignedUrl.searchParams.append(key, value);\n });\n var requestToSign = {\n body: body,\n headers: (_f = {}, _f[HOST_HEADER] = url.host, _f),\n method: method,\n url: presignedUrl,\n };\n // calculate and add the signature to the url\n var signature = getSignature(requestToSign, signingValues);\n presignedUrl.searchParams.append(SIGNATURE_QUERY_PARAM, signature);\n return presignedUrl;\n};\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nimport { DateUtils } from './Util';\nimport { presignUrl, signRequest, TOKEN_QUERY_PARAM, } from './clients/middleware/signing/signer/signatureV4';\nvar IOT_SERVICE_NAME = 'iotdevicegateway';\n// Best practice regex to parse the service and region from an AWS endpoint\nvar AWS_ENDPOINT_REGEX = /([^\\.]+)\\.(?:([^\\.]*)\\.)?amazonaws\\.com(.cn)?$/;\nvar Signer = /** @class */ (function () {\n function Signer() {\n }\n /**\n * Sign a HTTP request, add 'Authorization' header to request param\n * @method sign\n * @memberof Signer\n * @static\n *\n * @param {object} request - HTTP request object\n
\n request: {\n method: GET | POST | PUT ...\n url: ...,\n headers: {\n header1: ...\n },\n data: data\n }\n
\n *\n * @returns {object} Signed HTTP request\n */\n Signer.sign = function (request, accessInfo, serviceInfo) {\n request.headers = request.headers || {};\n if (request.body && !request.data) {\n throw new Error('The attribute \"body\" was found on the request object. Please use the attribute \"data\" instead.');\n }\n var requestToSign = __assign(__assign({}, request), { body: request.data, url: new URL(request.url) });\n var options = getOptions(requestToSign, accessInfo, serviceInfo);\n var signedRequest = signRequest(requestToSign, options);\n // Prior to using `signRequest`, Signer accepted urls as strings and outputted urls as string. Coerce the property\n // back to a string so as not to disrupt consumers of Signer.\n signedRequest.url = signedRequest.url.toString();\n // HTTP headers should be case insensitive but, to maintain parity with the previous Signer implementation and\n // limit the impact of this implementation swap, replace lowercased headers with title cased ones.\n signedRequest.headers.Authorization = signedRequest.headers.authorization;\n signedRequest.headers['X-Amz-Security-Token'] =\n signedRequest.headers['x-amz-security-token'];\n delete signedRequest.headers.authorization;\n delete signedRequest.headers['x-amz-security-token'];\n return signedRequest;\n };\n Signer.signUrl = function (urlOrRequest, accessInfo, serviceInfo, expiration) {\n var urlToSign = typeof urlOrRequest === 'object' ? urlOrRequest.url : urlOrRequest;\n var method = typeof urlOrRequest === 'object' ? urlOrRequest.method : 'GET';\n var body = typeof urlOrRequest === 'object' ? urlOrRequest.body : undefined;\n var presignable = {\n body: body,\n method: method,\n url: new URL(urlToSign),\n };\n var options = getOptions(presignable, accessInfo, serviceInfo, expiration);\n var signedUrl = presignUrl(presignable, options);\n if (accessInfo.session_token &&\n !sessionTokenRequiredInSigning(options.signingService)) {\n signedUrl.searchParams.append(TOKEN_QUERY_PARAM, accessInfo.session_token);\n }\n return signedUrl.toString();\n };\n return Signer;\n}());\nexport { Signer };\nvar getOptions = function (request, accessInfo, serviceInfo, expiration) {\n var _a = accessInfo !== null && accessInfo !== void 0 ? accessInfo : {}, access_key = _a.access_key, secret_key = _a.secret_key, session_token = _a.session_token;\n var _b = parseServiceInfo(request.url), urlRegion = _b.region, urlService = _b.service;\n var _c = serviceInfo !== null && serviceInfo !== void 0 ? serviceInfo : {}, _d = _c.region, region = _d === void 0 ? urlRegion : _d, _e = _c.service, service = _e === void 0 ? urlService : _e;\n var credentials = __assign({ accessKeyId: access_key, secretAccessKey: secret_key }, (sessionTokenRequiredInSigning(service)\n ? { sessionToken: session_token }\n : {}));\n return __assign({ credentials: credentials, signingDate: DateUtils.getDateWithClockOffset(), signingRegion: region, signingService: service }, (expiration && { expiration: expiration }));\n};\n// TODO: V6 investigate whether add to custom clients' general signer implementation.\nvar parseServiceInfo = function (url) {\n var _a;\n var host = url.host;\n var matched = (_a = host.match(AWS_ENDPOINT_REGEX)) !== null && _a !== void 0 ? _a : [];\n var parsed = matched.slice(1, 3);\n if (parsed[1] === 'es') {\n // Elastic Search\n parsed = parsed.reverse();\n }\n return {\n service: parsed[0],\n region: parsed[1],\n };\n};\n// IoT service does not allow the session token in the canonical request\n// https://docs.aws.amazon.com/general/latest/gr/sigv4-add-signature-to-request.html\n// TODO: V6 investigate whether add to custom clients' general signer implementation.\nvar sessionTokenRequiredInSigning = function (service) {\n return service !== IOT_SERVICE_NAME;\n};\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __createBinding(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\r\n// SPDX-License-Identifier: Apache-2.0\r\n\r\nimport { CacheConfig, CacheItem, CacheItemOptions } from '../types';\r\nimport { StorageHelper } from '@aws-amplify/core';\r\n/**\r\n * Default cache config\r\n */\r\nexport const defaultConfig: CacheConfig = {\r\n\tkeyPrefix: 'aws-amplify-cache',\r\n\tcapacityInBytes: 1048576, // 1MB\r\n\titemMaxSize: 210000, // about 200kb\r\n\tdefaultTTL: 259200000, // about 3 days\r\n\tdefaultPriority: 5,\r\n\twarningThreshold: 0.8,\r\n\t// the storage helper will check if localStorage exists,\r\n\t// if not, will use a in-memory object instead\r\n\tstorage: new StorageHelper().getStorage(),\r\n};\r\n\r\n/**\r\n * return the byte size of the string\r\n * @param str\r\n */\r\nexport function getByteLength(str: string): number {\r\n\tlet ret: number = 0;\r\n\tret = str.length;\r\n\r\n\tfor (let i = str.length; i >= 0; i -= 1) {\r\n\t\tconst charCode: number = str.charCodeAt(i);\r\n\t\tif (charCode > 0x7f && charCode <= 0x7ff) {\r\n\t\t\tret += 1;\r\n\t\t} else if (charCode > 0x7ff && charCode <= 0xffff) {\r\n\t\t\tret += 2;\r\n\t\t}\r\n\t\t// trail surrogate\r\n\t\tif (charCode >= 0xdc00 && charCode <= 0xdfff) {\r\n\t\t\ti -= 1;\r\n\t\t}\r\n\t}\r\n\r\n\treturn ret;\r\n}\r\n\r\n/**\r\n * get current time\r\n */\r\nexport function getCurrTime(): number {\r\n\tconst currTime = new Date();\r\n\treturn currTime.getTime();\r\n}\r\n\r\n/**\r\n * check if passed value is an integer\r\n */\r\nexport function isInteger(value): boolean {\r\n\tif (Number.isInteger) {\r\n\t\treturn Number.isInteger(value);\r\n\t}\r\n\r\n\treturn _isInteger(value);\r\n}\r\n\r\nfunction _isInteger(value): boolean {\r\n\treturn (\r\n\t\ttypeof value === 'number' && isFinite(value) && Math.floor(value) === value\r\n\t);\r\n}\r\n\r\n/**\r\n * provide an object as the in-memory cache\r\n */\r\nlet store = {};\r\nexport class CacheObject {\r\n\tstatic clear(): void {\r\n\t\tstore = {};\r\n\t}\r\n\r\n\tstatic getItem(key: string): string | null {\r\n\t\treturn store[key] || null;\r\n\t}\r\n\r\n\tstatic setItem(key: string, value: string): void {\r\n\t\tstore[key] = value;\r\n\t}\r\n\r\n\tstatic removeItem(key: string): void {\r\n\t\tdelete store[key];\r\n\t}\r\n}\r\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\r\n// SPDX-License-Identifier: Apache-2.0\r\n\r\nimport { getCurrTime, getByteLength, defaultConfig, isInteger } from './Utils';\r\n\r\nimport { CacheConfig, CacheItem, CacheItemOptions } from './types';\r\nimport { ConsoleLogger as Logger } from '@aws-amplify/core';\r\n\r\nconst logger = new Logger('StorageCache');\r\n\r\n/**\r\n * Initialization of the cache\r\n *\r\n */\r\nexport class StorageCache {\r\n\tprotected cacheCurSizeKey: string;\r\n\tprotected config: CacheConfig;\r\n\r\n\t/**\r\n\t * Initialize the cache\r\n\t * @param config - the configuration of the cache\r\n\t */\r\n\tconstructor(config: CacheConfig) {\r\n\t\tthis.config = Object.assign({}, config);\r\n\t\tthis.cacheCurSizeKey = this.config.keyPrefix + 'CurSize';\r\n\t\tthis.checkConfig();\r\n\t}\r\n\r\n\tpublic getModuleName() {\r\n\t\treturn 'Cache';\r\n\t}\r\n\r\n\tprivate checkConfig(): void {\r\n\t\t// check configuration\r\n\t\tif (!isInteger(this.config.capacityInBytes)) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: capacityInBytes. It should be an Integer. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.capacityInBytes = defaultConfig.capacityInBytes;\r\n\t\t}\r\n\r\n\t\tif (!isInteger(this.config.itemMaxSize)) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: itemMaxSize. It should be an Integer. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.itemMaxSize = defaultConfig.itemMaxSize;\r\n\t\t}\r\n\r\n\t\tif (!isInteger(this.config.defaultTTL)) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: defaultTTL. It should be an Integer. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.defaultTTL = defaultConfig.defaultTTL;\r\n\t\t}\r\n\r\n\t\tif (!isInteger(this.config.defaultPriority)) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: defaultPriority. It should be an Integer. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.defaultPriority = defaultConfig.defaultPriority;\r\n\t\t}\r\n\r\n\t\tif (this.config.itemMaxSize > this.config.capacityInBytes) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: itemMaxSize. It should be smaller than capacityInBytes. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.itemMaxSize = defaultConfig.itemMaxSize;\r\n\t\t}\r\n\r\n\t\tif (this.config.defaultPriority > 5 || this.config.defaultPriority < 1) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: defaultPriority. It should be between 1 and 5. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.defaultPriority = defaultConfig.defaultPriority;\r\n\t\t}\r\n\r\n\t\tif (\r\n\t\t\tNumber(this.config.warningThreshold) > 1 ||\r\n\t\t\tNumber(this.config.warningThreshold) < 0\r\n\t\t) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Invalid parameter: warningThreshold. It should be between 0 and 1. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.warningThreshold = defaultConfig.warningThreshold;\r\n\t\t}\r\n\t\t// set 5MB limit\r\n\t\tconst cacheLimit: number = 5 * 1024 * 1024;\r\n\t\tif (this.config.capacityInBytes > cacheLimit) {\r\n\t\t\tlogger.error(\r\n\t\t\t\t'Cache Capacity should be less than 5MB. Setting back to default. Setting back to default.'\r\n\t\t\t);\r\n\t\t\tthis.config.capacityInBytes = defaultConfig.capacityInBytes;\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * produce a JSON object with meta-data and data value\r\n\t * @param value - the value of the item\r\n\t * @param options - optional, the specified meta-data\r\n\t *\r\n\t * @return - the item which has the meta-data and the value\r\n\t */\r\n\tprotected fillCacheItem(\r\n\t\tkey: string,\r\n\t\tvalue: object | number | string | boolean,\r\n\t\toptions: CacheItemOptions\r\n\t): CacheItem {\r\n\t\tconst ret: CacheItem = {\r\n\t\t\tkey,\r\n\t\t\tdata: value,\r\n\t\t\ttimestamp: getCurrTime(),\r\n\t\t\tvisitedTime: getCurrTime(),\r\n\t\t\tpriority: options.priority,\r\n\t\t\texpires: options.expires,\r\n\t\t\ttype: typeof value,\r\n\t\t\tbyteSize: 0,\r\n\t\t};\r\n\r\n\t\tret.byteSize = getByteLength(JSON.stringify(ret));\r\n\r\n\t\t// for accurate size\r\n\t\tret.byteSize = getByteLength(JSON.stringify(ret));\r\n\t\treturn ret;\r\n\t}\r\n\r\n\t/**\r\n\t * set cache with customized configuration\r\n\t * @param config - customized configuration\r\n\t *\r\n\t * @return - the current configuration\r\n\t */\r\n\tpublic configure(config?: CacheConfig): CacheConfig {\r\n\t\tif (!config) {\r\n\t\t\treturn this.config;\r\n\t\t}\r\n\t\tif (config.keyPrefix) {\r\n\t\t\tlogger.warn(`Don't try to configure keyPrefix!`);\r\n\t\t}\r\n\r\n\t\tthis.config = Object.assign({}, this.config, config, config.Cache);\r\n\t\tthis.checkConfig();\r\n\t\treturn this.config;\r\n\t}\r\n}\r\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\r\n// SPDX-License-Identifier: Apache-2.0\r\n\r\nimport { Amplify, ConsoleLogger as Logger } from '@aws-amplify/core';\r\nimport { defaultConfig, getCurrTime } from './Utils';\r\nimport { StorageCache } from './StorageCache';\r\nimport { ICache, CacheConfig, CacheItem, CacheItemOptions } from './types';\r\n\r\nconst logger = new Logger('Cache');\r\n\r\n/**\r\n * Customized storage based on the SessionStorage or LocalStorage with LRU implemented\r\n */\r\nexport class BrowserStorageCacheClass extends StorageCache implements ICache {\r\n\t/**\r\n\t * initialize the cache\r\n\t * @param config - the configuration of the cache\r\n\t */\r\n\tconstructor(config?: CacheConfig) {\r\n\t\tconst cacheConfig = config\r\n\t\t\t? Object.assign({}, defaultConfig, config)\r\n\t\t\t: defaultConfig;\r\n\t\tsuper(cacheConfig);\r\n\t\tthis.config.storage = cacheConfig.storage;\r\n\t\tthis.getItem = this.getItem.bind(this);\r\n\t\tthis.setItem = this.setItem.bind(this);\r\n\t\tthis.removeItem = this.removeItem.bind(this);\r\n\t}\r\n\r\n\t/**\r\n\t * decrease current size of the cache\r\n\t *\r\n\t * @private\r\n\t * @param amount - the amount of the cache size which needs to be decreased\r\n\t */\r\n\tprivate _decreaseCurSizeInBytes(amount: number): void {\r\n\t\tconst curSize: number = this.getCacheCurSize();\r\n\t\tthis.config.storage.setItem(\r\n\t\t\tthis.cacheCurSizeKey,\r\n\t\t\t(curSize - amount).toString()\r\n\t\t);\r\n\t}\r\n\r\n\t/**\r\n\t * increase current size of the cache\r\n\t *\r\n\t * @private\r\n\t * @param amount - the amount of the cache szie which need to be increased\r\n\t */\r\n\tprivate _increaseCurSizeInBytes(amount: number): void {\r\n\t\tconst curSize: number = this.getCacheCurSize();\r\n\t\tthis.config.storage.setItem(\r\n\t\t\tthis.cacheCurSizeKey,\r\n\t\t\t(curSize + amount).toString()\r\n\t\t);\r\n\t}\r\n\r\n\t/**\r\n\t * update the visited time if item has been visited\r\n\t *\r\n\t * @private\r\n\t * @param item - the item which need to be refreshed\r\n\t * @param prefixedKey - the key of the item\r\n\t *\r\n\t * @return the refreshed item\r\n\t */\r\n\tprivate _refreshItem(item: CacheItem, prefixedKey: string): CacheItem {\r\n\t\titem.visitedTime = getCurrTime();\r\n\t\tthis.config.storage.setItem(prefixedKey, JSON.stringify(item));\r\n\t\treturn item;\r\n\t}\r\n\r\n\t/**\r\n\t * check wether item is expired\r\n\t *\r\n\t * @private\r\n\t * @param key - the key of the item\r\n\t *\r\n\t * @return true if the item is expired.\r\n\t */\r\n\tprivate _isExpired(key: string): boolean {\r\n\t\tconst text: string | null = this.config.storage.getItem(key);\r\n\t\tconst item: CacheItem = JSON.parse(text);\r\n\t\tif (getCurrTime() >= item.expires) {\r\n\t\t\treturn true;\r\n\t\t}\r\n\t\treturn false;\r\n\t}\r\n\r\n\t/**\r\n\t * delete item from cache\r\n\t *\r\n\t * @private\r\n\t * @param prefixedKey - the key of the item\r\n\t * @param size - optional, the byte size of the item\r\n\t */\r\n\tprivate _removeItem(prefixedKey: string, size?: number): void {\r\n\t\tconst itemSize: number = size\r\n\t\t\t? size\r\n\t\t\t: JSON.parse(this.config.storage.getItem(prefixedKey)).byteSize;\r\n\t\tthis._decreaseCurSizeInBytes(itemSize);\r\n\t\t// remove the cache item\r\n\t\tthis.config.storage.removeItem(prefixedKey);\r\n\t}\r\n\r\n\t/**\r\n\t * put item into cache\r\n\t *\r\n\t * @private\r\n\t * @param prefixedKey - the key of the item\r\n\t * @param itemData - the value of the item\r\n\t * @param itemSizeInBytes - the byte size of the item\r\n\t */\r\n\tprivate _setItem(prefixedKey: string, item: CacheItem): void {\r\n\t\t// update the cache size\r\n\t\tthis._increaseCurSizeInBytes(item.byteSize);\r\n\r\n\t\ttry {\r\n\t\t\tthis.config.storage.setItem(prefixedKey, JSON.stringify(item));\r\n\t\t} catch (setItemErr) {\r\n\t\t\t// if failed, we need to rollback the cache size\r\n\t\t\tthis._decreaseCurSizeInBytes(item.byteSize);\r\n\t\t\tlogger.error(`Failed to set item ${setItemErr}`);\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * total space needed when poping out items\r\n\t *\r\n\t * @private\r\n\t * @param itemSize\r\n\t *\r\n\t * @return total space needed\r\n\t */\r\n\tprivate _sizeToPop(itemSize: number): number {\r\n\t\tconst spaceItemNeed =\r\n\t\t\tthis.getCacheCurSize() + itemSize - this.config.capacityInBytes;\r\n\t\tconst cacheThresholdSpace =\r\n\t\t\t(1 - this.config.warningThreshold) * this.config.capacityInBytes;\r\n\t\treturn spaceItemNeed > cacheThresholdSpace\r\n\t\t\t? spaceItemNeed\r\n\t\t\t: cacheThresholdSpace;\r\n\t}\r\n\r\n\t/**\r\n\t * see whether cache is full\r\n\t *\r\n\t * @private\r\n\t * @param itemSize\r\n\t *\r\n\t * @return true if cache is full\r\n\t */\r\n\tprivate _isCacheFull(itemSize: number): boolean {\r\n\t\treturn itemSize + this.getCacheCurSize() > this.config.capacityInBytes;\r\n\t}\r\n\r\n\t/**\r\n\t * scan the storage and find out all the keys owned by this cache\r\n\t * also clean the expired keys while scanning\r\n\t *\r\n\t * @private\r\n\t *\r\n\t * @return array of keys\r\n\t */\r\n\tprivate _findValidKeys(): string[] {\r\n\t\tconst keys: string[] = [];\r\n\t\tconst keyInCache: string[] = [];\r\n\t\t// get all keys in Storage\r\n\t\tfor (let i = 0; i < this.config.storage.length; i += 1) {\r\n\t\t\tkeyInCache.push(this.config.storage.key(i));\r\n\t\t}\r\n\r\n\t\t// find those items which belong to our cache and also clean those expired items\r\n\t\tfor (let i = 0; i < keyInCache.length; i += 1) {\r\n\t\t\tconst key: string = keyInCache[i];\r\n\t\t\tif (\r\n\t\t\t\tkey.indexOf(this.config.keyPrefix) === 0 &&\r\n\t\t\t\tkey !== this.cacheCurSizeKey\r\n\t\t\t) {\r\n\t\t\t\tif (this._isExpired(key)) {\r\n\t\t\t\t\tthis._removeItem(key);\r\n\t\t\t\t} else {\r\n\t\t\t\t\tkeys.push(key);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn keys;\r\n\t}\r\n\r\n\t/**\r\n\t * get all the items we have, sort them by their priority,\r\n\t * if priority is same, sort them by their last visited time\r\n\t * pop out items from the low priority (5 is the lowest)\r\n\t *\r\n\t * @private\r\n\t * @param keys - all the keys in this cache\r\n\t * @param sizeToPop - the total size of the items which needed to be poped out\r\n\t */\r\n\tprivate _popOutItems(keys: string[], sizeToPop: number): void {\r\n\t\tconst items: CacheItem[] = [];\r\n\t\tlet remainedSize: number = sizeToPop;\r\n\t\t// get the items from Storage\r\n\t\tfor (let i = 0; i < keys.length; i += 1) {\r\n\t\t\tconst val: string | null = this.config.storage.getItem(keys[i]);\r\n\t\t\tif (val != null) {\r\n\t\t\t\tconst item: CacheItem = JSON.parse(val);\r\n\t\t\t\titems.push(item);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\t// first compare priority\r\n\t\t// then compare visited time\r\n\t\titems.sort((a, b) => {\r\n\t\t\tif (a.priority > b.priority) {\r\n\t\t\t\treturn -1;\r\n\t\t\t} else if (a.priority < b.priority) {\r\n\t\t\t\treturn 1;\r\n\t\t\t} else {\r\n\t\t\t\tif (a.visitedTime < b.visitedTime) {\r\n\t\t\t\t\treturn -1;\r\n\t\t\t\t} else return 1;\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\tfor (let i = 0; i < items.length; i += 1) {\r\n\t\t\t// pop out items until we have enough room for new item\r\n\t\t\tthis._removeItem(items[i].key, items[i].byteSize);\r\n\t\t\tremainedSize -= items[i].byteSize;\r\n\t\t\tif (remainedSize <= 0) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * Set item into cache. You can put number, string, boolean or object.\r\n\t * The cache will first check whether has the same key.\r\n\t * If it has, it will delete the old item and then put the new item in\r\n\t * The cache will pop out items if it is full\r\n\t * You can specify the cache item options. The cache will abort and output a warning:\r\n\t * If the key is invalid\r\n\t * If the size of the item exceeds itemMaxSize.\r\n\t * If the value is undefined\r\n\t * If incorrect cache item configuration\r\n\t * If error happened with browser storage\r\n\t *\r\n\t * @param key - the key of the item\r\n\t * @param value - the value of the item\r\n\t * @param {Object} [options] - optional, the specified meta-data\r\n\t */\r\n\tpublic setItem(\r\n\t\tkey: string,\r\n\t\tvalue: object | number | string | boolean,\r\n\t\toptions?: CacheItemOptions\r\n\t): void {\r\n\t\tlogger.log(\r\n\t\t\t`Set item: key is ${key}, value is ${value} with options: ${options}`\r\n\t\t);\r\n\t\tconst prefixedKey: string = this.config.keyPrefix + key;\r\n\t\t// invalid keys\r\n\t\tif (\r\n\t\t\tprefixedKey === this.config.keyPrefix ||\r\n\t\t\tprefixedKey === this.cacheCurSizeKey\r\n\t\t) {\r\n\t\t\tlogger.warn(`Invalid key: should not be empty or 'CurSize'`);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tif (typeof value === 'undefined') {\r\n\t\t\tlogger.warn(`The value of item should not be undefined!`);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst cacheItemOptions: CacheItemOptions = {\r\n\t\t\tpriority:\r\n\t\t\t\toptions && options.priority !== undefined\r\n\t\t\t\t\t? options.priority\r\n\t\t\t\t\t: this.config.defaultPriority,\r\n\t\t\texpires:\r\n\t\t\t\toptions && options.expires !== undefined\r\n\t\t\t\t\t? options.expires\r\n\t\t\t\t\t: this.config.defaultTTL + getCurrTime(),\r\n\t\t};\r\n\r\n\t\tif (cacheItemOptions.priority < 1 || cacheItemOptions.priority > 5) {\r\n\t\t\tlogger.warn(\r\n\t\t\t\t`Invalid parameter: priority due to out or range. It should be within 1 and 5.`\r\n\t\t\t);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tconst item: CacheItem = this.fillCacheItem(\r\n\t\t\tprefixedKey,\r\n\t\t\tvalue,\r\n\t\t\tcacheItemOptions\r\n\t\t);\r\n\r\n\t\t// check wether this item is too big;\r\n\t\tif (item.byteSize > this.config.itemMaxSize) {\r\n\t\t\tlogger.warn(\r\n\t\t\t\t`Item with key: ${key} you are trying to put into is too big!`\r\n\t\t\t);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\ttry {\r\n\t\t\t// first look into the storage, if it exists, delete it.\r\n\t\t\tconst val: string | null = this.config.storage.getItem(prefixedKey);\r\n\t\t\tif (val) {\r\n\t\t\t\tthis._removeItem(prefixedKey, JSON.parse(val).byteSize);\r\n\t\t\t}\r\n\r\n\t\t\t// check whether the cache is full\r\n\t\t\tif (this._isCacheFull(item.byteSize)) {\r\n\t\t\t\tconst validKeys: string[] = this._findValidKeys();\r\n\t\t\t\t// check again and then pop out items\r\n\t\t\t\tif (this._isCacheFull(item.byteSize)) {\r\n\t\t\t\t\tconst sizeToPop: number = this._sizeToPop(item.byteSize);\r\n\t\t\t\t\tthis._popOutItems(validKeys, sizeToPop);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\t// put item in the cache\r\n\t\t\t// may failed due to storage full\r\n\t\t\tthis._setItem(prefixedKey, item);\r\n\t\t} catch (e) {\r\n\t\t\tlogger.warn(`setItem failed! ${e}`);\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * Get item from cache. It will return null if item doesn’t exist or it has been expired.\r\n\t * If you specified callback function in the options,\r\n\t * then the function will be executed if no such item in the cache\r\n\t * and finally put the return value into cache.\r\n\t * Please make sure the callback function will return the value you want to put into the cache.\r\n\t * The cache will abort output a warning:\r\n\t * If the key is invalid\r\n\t * If error happened with browser storage\r\n\t *\r\n\t * @param key - the key of the item\r\n\t * @param {Object} [options] - the options of callback function\r\n\t *\r\n\t * @return - return the value of the item\r\n\t */\r\n\tpublic getItem(key: string, options?: CacheItemOptions): any {\r\n\t\tlogger.log(`Get item: key is ${key} with options ${options}`);\r\n\t\tlet ret: string | null = null;\r\n\t\tconst prefixedKey: string = this.config.keyPrefix + key;\r\n\r\n\t\tif (\r\n\t\t\tprefixedKey === this.config.keyPrefix ||\r\n\t\t\tprefixedKey === this.cacheCurSizeKey\r\n\t\t) {\r\n\t\t\tlogger.warn(`Invalid key: should not be empty or 'CurSize'`);\r\n\t\t\treturn null;\r\n\t\t}\r\n\r\n\t\ttry {\r\n\t\t\tret = this.config.storage.getItem(prefixedKey);\r\n\t\t\tif (ret != null) {\r\n\t\t\t\tif (this._isExpired(prefixedKey)) {\r\n\t\t\t\t\t// if expired, remove that item and return null\r\n\t\t\t\t\tthis._removeItem(prefixedKey, JSON.parse(ret).byteSize);\r\n\t\t\t\t\tret = null;\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// if not expired, great, return the value and refresh it\r\n\t\t\t\t\tlet item: CacheItem = JSON.parse(ret);\r\n\t\t\t\t\titem = this._refreshItem(item, prefixedKey);\r\n\t\t\t\t\treturn item.data;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tif (options && options.callback !== undefined) {\r\n\t\t\t\tconst val: object | string | number | boolean = options.callback();\r\n\t\t\t\tif (val !== null) {\r\n\t\t\t\t\tthis.setItem(key, val, options);\r\n\t\t\t\t}\r\n\t\t\t\treturn val;\r\n\t\t\t}\r\n\t\t\treturn null;\r\n\t\t} catch (e) {\r\n\t\t\tlogger.warn(`getItem failed! ${e}`);\r\n\t\t\treturn null;\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * remove item from the cache\r\n\t * The cache will abort output a warning:\r\n\t * If error happened with browser storage\r\n\t * @param key - the key of the item\r\n\t */\r\n\tpublic removeItem(key: string): void {\r\n\t\tlogger.log(`Remove item: key is ${key}`);\r\n\t\tconst prefixedKey: string = this.config.keyPrefix + key;\r\n\r\n\t\tif (\r\n\t\t\tprefixedKey === this.config.keyPrefix ||\r\n\t\t\tprefixedKey === this.cacheCurSizeKey\r\n\t\t) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\ttry {\r\n\t\t\tconst val: string | null = this.config.storage.getItem(prefixedKey);\r\n\t\t\tif (val) {\r\n\t\t\t\tthis._removeItem(prefixedKey, JSON.parse(val).byteSize);\r\n\t\t\t}\r\n\t\t} catch (e) {\r\n\t\t\tlogger.warn(`removeItem failed! ${e}`);\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * clear the entire cache\r\n\t * The cache will abort output a warning:\r\n\t * If error happened with browser storage\r\n\t */\r\n\tpublic clear(): void {\r\n\t\tlogger.log(`Clear Cache`);\r\n\t\tconst keysToRemove: string[] = [];\r\n\r\n\t\tfor (let i = 0; i < this.config.storage.length; i += 1) {\r\n\t\t\tconst key = this.config.storage.key(i);\r\n\t\t\tif (key.indexOf(this.config.keyPrefix) === 0) {\r\n\t\t\t\tkeysToRemove.push(key);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\ttry {\r\n\t\t\tfor (let i = 0; i < keysToRemove.length; i += 1) {\r\n\t\t\t\tthis.config.storage.removeItem(keysToRemove[i]);\r\n\t\t\t}\r\n\t\t} catch (e) {\r\n\t\t\tlogger.warn(`clear failed! ${e}`);\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * Return all the keys in the cache.\r\n\t *\r\n\t * @return - all keys in the cache\r\n\t */\r\n\tpublic getAllKeys(): string[] {\r\n\t\tconst keys: string[] = [];\r\n\t\tfor (let i = 0; i < this.config.storage.length; i += 1) {\r\n\t\t\tconst key = this.config.storage.key(i);\r\n\t\t\tif (\r\n\t\t\t\tkey.indexOf(this.config.keyPrefix) === 0 &&\r\n\t\t\t\tkey !== this.cacheCurSizeKey\r\n\t\t\t) {\r\n\t\t\t\tkeys.push(key.substring(this.config.keyPrefix.length));\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn keys;\r\n\t}\r\n\r\n\t/**\r\n\t * return the current size of the cache\r\n\t *\r\n\t * @return - current size of the cache\r\n\t */\r\n\tpublic getCacheCurSize(): number {\r\n\t\tlet ret: string | null = this.config.storage.getItem(this.cacheCurSizeKey);\r\n\t\tif (!ret) {\r\n\t\t\tthis.config.storage.setItem(this.cacheCurSizeKey, '0');\r\n\t\t\tret = '0';\r\n\t\t}\r\n\t\treturn Number(ret);\r\n\t}\r\n\r\n\t/**\r\n\t * Return a new instance of cache with customized configuration.\r\n\t * @param config - the customized configuration\r\n\t *\r\n\t * @return - new instance of Cache\r\n\t */\r\n\tpublic createInstance(config: CacheConfig): ICache {\r\n\t\tif (!config.keyPrefix || config.keyPrefix === defaultConfig.keyPrefix) {\r\n\t\t\tlogger.error('invalid keyPrefix, setting keyPrefix with timeStamp');\r\n\t\t\tconfig.keyPrefix = getCurrTime.toString();\r\n\t\t}\r\n\r\n\t\treturn new BrowserStorageCacheClass(config);\r\n\t}\r\n}\r\n\r\nexport const BrowserStorageCache: ICache = new BrowserStorageCacheClass();\r\n\r\nAmplify.register(BrowserStorageCache);\r\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { ZenObservable } from 'zen-observable-ts';\n\nexport interface SubscriptionObserver {\n\tclosed: boolean;\n\tnext(value: T): void;\n\terror(errorValue: any): void;\n\tcomplete(): void;\n}\n\nexport enum CONTROL_MSG {\n\tCONNECTION_CLOSED = 'Connection closed',\n\tCONNECTION_FAILED = 'Connection failed',\n\tREALTIME_SUBSCRIPTION_INIT_ERROR = 'AppSync Realtime subscription init error',\n\tSUBSCRIPTION_ACK = 'Subscription ack',\n\tTIMEOUT_DISCONNECT = 'Timeout disconnect',\n}\n\n/** @enum {string} */\nexport enum ConnectionState {\n\t/*\n\t * The connection is alive and healthy\n\t */\n\tConnected = 'Connected',\n\t/*\n\t * The connection is alive, but the connection is offline\n\t */\n\tConnectedPendingNetwork = 'ConnectedPendingNetwork',\n\t/*\n\t * The connection has been disconnected while in use\n\t */\n\tConnectionDisrupted = 'ConnectionDisrupted',\n\t/*\n\t * The connection has been disconnected and the network is offline\n\t */\n\tConnectionDisruptedPendingNetwork = 'ConnectionDisruptedPendingNetwork',\n\t/*\n\t * The connection is in the process of connecting\n\t */\n\tConnecting = 'Connecting',\n\t/*\n\t * The connection is not in use and is being disconnected\n\t */\n\tConnectedPendingDisconnect = 'ConnectedPendingDisconnect',\n\t/*\n\t * The connection is not in use and has been disconnected\n\t */\n\tDisconnected = 'Disconnected',\n\t/*\n\t * The connection is alive, but a keep alive message has been missed\n\t */\n\tConnectedPendingKeepAlive = 'ConnectedPendingKeepAlive',\n}\n\nexport type PubSubContent = Record | string;\nexport type PubSubContentObserver =\n\tZenObservable.SubscriptionObserver;\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport Observable from 'zen-observable-ts';\nimport { PubSubProvider, ProviderOptions } from '../types/Provider';\nimport {\n\tCustomUserAgentDetails,\n\tConsoleLogger as Logger,\n} from '@aws-amplify/core';\nimport { PubSubContent } from '../types/PubSub';\n\nconst logger = new Logger('AbstractPubSubProvider');\n\nexport abstract class AbstractPubSubProvider\n\timplements PubSubProvider\n{\n\tprivate _config: T;\n\n\tconstructor(options: T) {\n\t\tthis._config = options;\n\t}\n\n\tconfigure(config: T): T {\n\t\tthis._config = { ...config, ...this._config };\n\n\t\tlogger.debug(`configure ${this.getProviderName()}`, this._config);\n\n\t\treturn this.options;\n\t}\n\n\tgetCategory() {\n\t\treturn 'PubSub';\n\t}\n\n\tabstract getProviderName(): string;\n\n\tprotected get options(): T {\n\t\treturn { ...this._config };\n\t}\n\n\tpublic abstract newClient(clientOptions: T): Promise;\n\n\tpublic abstract publish(\n\t\ttopics: string[] | string,\n\t\tmsg: PubSubContent,\n\t\toptions?: T\n\t): void;\n\n\tpublic abstract subscribe(\n\t\ttopics: string[] | string,\n\t\toptions?: T,\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Observable;\n}\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nexport const MAX_DELAY_MS = 5000;\n\nexport const NON_RETRYABLE_CODES = [400, 401, 403];\n\nexport const CONNECTION_STATE_CHANGE = 'ConnectionStateChange';\n\nexport enum MESSAGE_TYPES {\n\t/**\n\t * Client -> Server message.\n\t * This message type is the first message after handshake and this will initialize AWS AppSync RealTime communication\n\t */\n\tGQL_CONNECTION_INIT = 'connection_init',\n\t/**\n\t * Server -> Client message\n\t * This message type is in case there is an issue with AWS AppSync RealTime when establishing connection\n\t */\n\tGQL_CONNECTION_ERROR = 'connection_error',\n\t/**\n\t * Server -> Client message.\n\t * This message type is for the ack response from AWS AppSync RealTime for GQL_CONNECTION_INIT message\n\t */\n\tGQL_CONNECTION_ACK = 'connection_ack',\n\t/**\n\t * Client -> Server message.\n\t * This message type is for register subscriptions with AWS AppSync RealTime\n\t */\n\tGQL_START = 'start',\n\t/**\n\t * Server -> Client message.\n\t * This message type is for the ack response from AWS AppSync RealTime for GQL_START message\n\t */\n\tGQL_START_ACK = 'start_ack',\n\t/**\n\t * Server -> Client message.\n\t * This message type is for subscription message from AWS AppSync RealTime\n\t */\n\tGQL_DATA = 'data',\n\t/**\n\t * Server -> Client message.\n\t * This message type helps the client to know is still receiving messages from AWS AppSync RealTime\n\t */\n\tGQL_CONNECTION_KEEP_ALIVE = 'ka',\n\t/**\n\t * Client -> Server message.\n\t * This message type is for unregister subscriptions with AWS AppSync RealTime\n\t */\n\tGQL_STOP = 'stop',\n\t/**\n\t * Server -> Client message.\n\t * This message type is for the ack response from AWS AppSync RealTime for GQL_STOP message\n\t */\n\tGQL_COMPLETE = 'complete',\n\t/**\n\t * Server -> Client message.\n\t * This message type is for sending error messages from AWS AppSync RealTime to the client\n\t */\n\tGQL_ERROR = 'error', // Server -> Client\n}\n\nexport enum SUBSCRIPTION_STATUS {\n\tPENDING,\n\tCONNECTED,\n\tFAILED,\n}\n\nexport enum SOCKET_STATUS {\n\tCLOSED,\n\tREADY,\n\tCONNECTING,\n}\n\nexport const AMPLIFY_SYMBOL = (\n\ttypeof Symbol !== 'undefined' && typeof Symbol.for === 'function'\n\t\t? Symbol.for('amplify_default')\n\t\t: '@@amplify_default'\n) as Symbol;\n\nexport const AWS_APPSYNC_REALTIME_HEADERS = {\n\taccept: 'application/json, text/javascript',\n\t'content-encoding': 'amz-1.0',\n\t'content-type': 'application/json; charset=UTF-8',\n};\n\n/**\n * Time in milleseconds to wait for GQL_CONNECTION_INIT message\n */\nexport const CONNECTION_INIT_TIMEOUT = 15000;\n\n/**\n * Time in milleseconds to wait for GQL_START_ACK message\n */\nexport const START_ACK_TIMEOUT = 15000;\n\n/**\n * Default Time in milleseconds to wait for GQL_CONNECTION_KEEP_ALIVE message\n */\nexport const DEFAULT_KEEP_ALIVE_TIMEOUT = 5 * 60 * 1000;\n\n/**\n * Default Time in milleseconds to alert for missed GQL_CONNECTION_KEEP_ALIVE message\n */\nexport const DEFAULT_KEEP_ALIVE_ALERT_TIMEOUT = 65 * 1000;\n\n/**\n * Default delay time in milleseconds between when reconnect is triggered vs when it is attempted\n */\nexport const RECONNECT_DELAY = 5 * 1000;\n\n/**\n * Default interval time in milleseconds between when reconnect is re-attempted\n */\nexport const RECONNECT_INTERVAL = 60 * 1000;\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { Observer } from 'zen-observable-ts';\nimport { RECONNECT_DELAY, RECONNECT_INTERVAL } from '../Providers/constants';\n\nexport enum ReconnectEvent {\n\tSTART_RECONNECT = 'START_RECONNECT',\n\tHALT_RECONNECT = 'HALT_RECONNECT',\n}\n\n/**\n * Captures the reconnect event logic used to determine when to reconnect to PubSub providers.\n * Reconnnect attempts are delayed by 5 seconds to let the interface settle.\n * Attempting to reconnect only once creates unrecoverable states when the network state isn't\n * supported by the browser, so this keeps retrying every minute until halted.\n */\nexport class ReconnectionMonitor {\n\tprivate reconnectObservers: Observer[] = [];\n\tprivate reconnectIntervalId?: ReturnType;\n\tprivate reconnectSetTimeoutId?: ReturnType;\n\n\t/**\n\t * Add reconnect observer to the list of observers to alert on reconnect\n\t */\n\taddObserver(reconnectObserver: Observer) {\n\t\tthis.reconnectObservers.push(reconnectObserver);\n\t}\n\n\t/**\n\t * Given a reconnect event, start the appropriate behavior\n\t */\n\trecord(event: ReconnectEvent) {\n\t\tif (event === ReconnectEvent.START_RECONNECT) {\n\t\t\t// If the reconnection hasn't been started\n\t\t\tif (\n\t\t\t\tthis.reconnectSetTimeoutId === undefined &&\n\t\t\t\tthis.reconnectIntervalId === undefined\n\t\t\t) {\n\t\t\t\tthis.reconnectSetTimeoutId = setTimeout(() => {\n\t\t\t\t\t// Reconnect now\n\t\t\t\t\tthis._triggerReconnect();\n\t\t\t\t\t// Retry reconnect every periodically until it works\n\t\t\t\t\tthis.reconnectIntervalId = setInterval(() => {\n\t\t\t\t\t\tthis._triggerReconnect();\n\t\t\t\t\t}, RECONNECT_INTERVAL);\n\t\t\t\t}, RECONNECT_DELAY);\n\t\t\t}\n\t\t}\n\n\t\tif (event === ReconnectEvent.HALT_RECONNECT) {\n\t\t\tif (this.reconnectIntervalId) {\n\t\t\t\tclearInterval(this.reconnectIntervalId);\n\t\t\t\tthis.reconnectIntervalId = undefined;\n\t\t\t}\n\t\t\tif (this.reconnectSetTimeoutId) {\n\t\t\t\tclearTimeout(this.reconnectSetTimeoutId);\n\t\t\t\tthis.reconnectSetTimeoutId = undefined;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Complete all reconnect observers\n\t */\n\tclose() {\n\t\tthis.reconnectObservers.forEach(reconnectObserver => {\n\t\t\treconnectObserver.complete?.();\n\t\t});\n\t}\n\n\tprivate _triggerReconnect() {\n\t\tthis.reconnectObservers.forEach(reconnectObserver => {\n\t\t\treconnectObserver.next?.();\n\t\t});\n\t}\n}\n","var __values = (this && this.__values) || function(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function () {\n if (o && i >= o.length) o = void 0;\n return { value: o && o[i++], done: !o };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n};\n// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { browserOrNode, isWebWorker } from '@aws-amplify/core';\nimport Observable from 'zen-observable-ts';\nvar ReachabilityNavigator = /** @class */ (function () {\n function ReachabilityNavigator() {\n }\n ReachabilityNavigator.prototype.networkMonitor = function (netInfo) {\n if (browserOrNode().isNode) {\n return Observable.from([{ online: true }]);\n }\n var globalObj = isWebWorker() ? self : window;\n return new Observable(function (observer) {\n observer.next({ online: globalObj.navigator.onLine });\n var notifyOnline = function () { return observer.next({ online: true }); };\n var notifyOffline = function () { return observer.next({ online: false }); };\n globalObj.addEventListener('online', notifyOnline);\n globalObj.addEventListener('offline', notifyOffline);\n ReachabilityNavigator._observers.push(observer);\n return function () {\n globalObj.removeEventListener('online', notifyOnline);\n globalObj.removeEventListener('offline', notifyOffline);\n ReachabilityNavigator._observers = ReachabilityNavigator._observers.filter(function (_observer) { return _observer !== observer; });\n };\n });\n };\n // expose observers to simulate offline mode for integration testing\n ReachabilityNavigator._observerOverride = function (status) {\n var e_1, _a;\n var _loop_1 = function (observer) {\n if (observer.closed) {\n ReachabilityNavigator._observers = ReachabilityNavigator._observers.filter(function (_observer) { return _observer !== observer; });\n return \"continue\";\n }\n observer.next(status);\n };\n try {\n for (var _b = __values(ReachabilityNavigator._observers), _c = _b.next(); !_c.done; _c = _b.next()) {\n var observer = _c.value;\n _loop_1(observer);\n }\n }\n catch (e_1_1) { e_1 = { error: e_1_1 }; }\n finally {\n try {\n if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n }\n finally { if (e_1) throw e_1.error; }\n }\n };\n ReachabilityNavigator._observers = [];\n return ReachabilityNavigator;\n}());\nexport default ReachabilityNavigator;\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { Reachability } from '@aws-amplify/core';\n\nexport const ReachabilityMonitor = () => new Reachability().networkMonitor();\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n\nimport Observable, { ZenObservable } from 'zen-observable-ts';\nimport { ConnectionState } from '../types/PubSub';\nimport { ReachabilityMonitor } from './ReachabilityMonitor';\n\n// Internal types for tracking different connection states\ntype LinkedConnectionState = 'connected' | 'disconnected';\ntype LinkedHealthState = 'healthy' | 'unhealthy';\ntype LinkedConnectionStates = {\n\tnetworkState: LinkedConnectionState;\n\tconnectionState: LinkedConnectionState | 'connecting';\n\tintendedConnectionState: LinkedConnectionState;\n\tkeepAliveState: LinkedHealthState;\n};\n\nexport const CONNECTION_CHANGE: {\n\t[key in\n\t\t| 'KEEP_ALIVE_MISSED'\n\t\t| 'KEEP_ALIVE'\n\t\t| 'CONNECTION_ESTABLISHED'\n\t\t| 'CONNECTION_FAILED'\n\t\t| 'CLOSING_CONNECTION'\n\t\t| 'OPENING_CONNECTION'\n\t\t| 'CLOSED'\n\t\t| 'ONLINE'\n\t\t| 'OFFLINE']: Partial;\n} = {\n\tKEEP_ALIVE_MISSED: { keepAliveState: 'unhealthy' },\n\tKEEP_ALIVE: { keepAliveState: 'healthy' },\n\tCONNECTION_ESTABLISHED: { connectionState: 'connected' },\n\tCONNECTION_FAILED: {\n\t\tintendedConnectionState: 'disconnected',\n\t\tconnectionState: 'disconnected',\n\t},\n\tCLOSING_CONNECTION: { intendedConnectionState: 'disconnected' },\n\tOPENING_CONNECTION: {\n\t\tintendedConnectionState: 'connected',\n\t\tconnectionState: 'connecting',\n\t},\n\tCLOSED: { connectionState: 'disconnected' },\n\tONLINE: { networkState: 'connected' },\n\tOFFLINE: { networkState: 'disconnected' },\n};\n\nexport class ConnectionStateMonitor {\n\t/**\n\t * @private\n\t */\n\tprivate _linkedConnectionState: LinkedConnectionStates;\n\tprivate _linkedConnectionStateObservable: Observable;\n\tprivate _linkedConnectionStateObserver: ZenObservable.SubscriptionObserver;\n\tprivate _networkMonitoringSubscription?: ZenObservable.Subscription;\n\tprivate _initialNetworkStateSubscription?: ZenObservable.Subscription;\n\n\tconstructor() {\n\t\tthis._networkMonitoringSubscription = undefined;\n\t\tthis._linkedConnectionState = {\n\t\t\tnetworkState: 'connected',\n\t\t\tconnectionState: 'disconnected',\n\t\t\tintendedConnectionState: 'disconnected',\n\t\t\tkeepAliveState: 'healthy',\n\t\t};\n\n\t\t// Attempt to update the state with the current actual network state\n\t\tthis._initialNetworkStateSubscription = ReachabilityMonitor().subscribe(\n\t\t\t({ online }) => {\n\t\t\t\tthis.record(\n\t\t\t\t\tonline ? CONNECTION_CHANGE.ONLINE : CONNECTION_CHANGE.OFFLINE\n\t\t\t\t);\n\t\t\t\tthis._initialNetworkStateSubscription?.unsubscribe();\n\t\t\t}\n\t\t);\n\n\t\tthis._linkedConnectionStateObservable =\n\t\t\tnew Observable(connectionStateObserver => {\n\t\t\t\tconnectionStateObserver.next(this._linkedConnectionState);\n\t\t\t\tthis._linkedConnectionStateObserver = connectionStateObserver;\n\t\t\t});\n\t}\n\n\t/**\n\t * Turn network state monitoring on if it isn't on already\n\t */\n\tprivate enableNetworkMonitoring() {\n\t\t// If no initial network state was discovered, stop trying\n\t\tthis._initialNetworkStateSubscription?.unsubscribe();\n\n\t\t// Maintain the network state based on the reachability monitor\n\t\tif (this._networkMonitoringSubscription === undefined) {\n\t\t\tthis._networkMonitoringSubscription = ReachabilityMonitor().subscribe(\n\t\t\t\t({ online }) => {\n\t\t\t\t\tthis.record(\n\t\t\t\t\t\tonline ? CONNECTION_CHANGE.ONLINE : CONNECTION_CHANGE.OFFLINE\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t);\n\t\t}\n\t}\n\n\t/**\n\t * Turn network state monitoring off if it isn't off already\n\t */\n\tprivate disableNetworkMonitoring() {\n\t\tthis._networkMonitoringSubscription?.unsubscribe();\n\t\tthis._networkMonitoringSubscription = undefined;\n\t}\n\n\t/**\n\t * Get the observable that allows us to monitor the connection state\n\t *\n\t * @returns {Observable} - The observable that emits ConnectionState updates\n\t */\n\tpublic get connectionStateObservable(): Observable {\n\t\tlet previous: ConnectionState;\n\n\t\t// The linked state aggregates state changes to any of the network, connection,\n\t\t// intendedConnection and keepAliveHealth. Some states will change these independent\n\t\t// states without changing the overall connection state.\n\n\t\t// After translating from linked states to ConnectionState, then remove any duplicates\n\t\treturn this._linkedConnectionStateObservable\n\t\t\t.map(value => {\n\t\t\t\treturn this.connectionStatesTranslator(value);\n\t\t\t})\n\t\t\t.filter(current => {\n\t\t\t\tconst toInclude = current !== previous;\n\t\t\t\tprevious = current;\n\t\t\t\treturn toInclude;\n\t\t\t});\n\t}\n\n\t/*\n\t * Updates local connection state and emits the full state to the observer.\n\t */\n\trecord(statusUpdates: Partial) {\n\t\t// Maintain the network monitor\n\t\tif (statusUpdates.intendedConnectionState === 'connected') {\n\t\t\tthis.enableNetworkMonitoring();\n\t\t} else if (statusUpdates.intendedConnectionState === 'disconnected') {\n\t\t\tthis.disableNetworkMonitoring();\n\t\t}\n\n\t\t// Maintain the socket state\n\t\tconst newSocketStatus = {\n\t\t\t...this._linkedConnectionState,\n\t\t\t...statusUpdates,\n\t\t};\n\n\t\tthis._linkedConnectionState = { ...newSocketStatus };\n\n\t\tthis._linkedConnectionStateObserver.next(this._linkedConnectionState);\n\t}\n\n\t/*\n\t * Translate the ConnectionState structure into a specific ConnectionState string literal union\n\t */\n\tprivate connectionStatesTranslator({\n\t\tconnectionState,\n\t\tnetworkState,\n\t\tintendedConnectionState,\n\t\tkeepAliveState,\n\t}: LinkedConnectionStates): ConnectionState {\n\t\tif (connectionState === 'connected' && networkState === 'disconnected')\n\t\t\treturn ConnectionState.ConnectedPendingNetwork;\n\n\t\tif (\n\t\t\tconnectionState === 'connected' &&\n\t\t\tintendedConnectionState === 'disconnected'\n\t\t)\n\t\t\treturn ConnectionState.ConnectedPendingDisconnect;\n\n\t\tif (\n\t\t\tconnectionState === 'disconnected' &&\n\t\t\tintendedConnectionState === 'connected' &&\n\t\t\tnetworkState === 'disconnected'\n\t\t)\n\t\t\treturn ConnectionState.ConnectionDisruptedPendingNetwork;\n\n\t\tif (\n\t\t\tconnectionState === 'disconnected' &&\n\t\t\tintendedConnectionState === 'connected'\n\t\t)\n\t\t\treturn ConnectionState.ConnectionDisrupted;\n\n\t\tif (connectionState === 'connected' && keepAliveState === 'unhealthy')\n\t\t\treturn ConnectionState.ConnectedPendingKeepAlive;\n\n\t\t// All remaining states directly correspond to the connection state\n\t\tif (connectionState === 'connecting') return ConnectionState.Connecting;\n\t\tif (connectionState === 'disconnected') return ConnectionState.Disconnected;\n\t\treturn ConnectionState.Connected;\n\t}\n}\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { Source, DocumentNode, GraphQLError, OperationTypeNode } from 'graphql';\nexport { OperationTypeNode } from 'graphql';\nimport { GRAPHQL_AUTH_MODE } from '@aws-amplify/auth';\nexport { GRAPHQL_AUTH_MODE };\nimport { CustomUserAgentDetails } from '@aws-amplify/core';\n\nexport interface GraphQLOptions {\n\tquery: string | DocumentNode;\n\tvariables?: object;\n\tauthMode?: keyof typeof GRAPHQL_AUTH_MODE;\n\tauthToken?: string;\n\t/**\n\t * @deprecated This property should not be used\n\t */\n\tuserAgentSuffix?: string; // TODO: remove in v6\n}\n\nexport interface GraphQLResult {\n\tdata?: T;\n\terrors?: GraphQLError[];\n\textensions?: {\n\t\t[key: string]: any;\n\t};\n}\n\nexport enum GraphQLAuthError {\n\tNO_API_KEY = 'No api-key configured',\n\tNO_CURRENT_USER = 'No current user',\n\tNO_CREDENTIALS = 'No credentials',\n\tNO_FEDERATED_JWT = 'No federated jwt',\n\tNO_AUTH_TOKEN = 'No auth token specified',\n}\n\n/**\n * GraphQLSource or string, the type of the parameter for calling graphql.parse\n * @see: https://graphql.org/graphql-js/language/#parse\n */\nexport type GraphQLOperation = Source | string;\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport Observable, { ZenObservable } from 'zen-observable-ts';\nimport { GraphQLError } from 'graphql';\nimport * as url from 'url';\nimport { v4 as uuid } from 'uuid';\nimport { Buffer } from 'buffer';\nimport { ProviderOptions } from '../../types/Provider';\nimport {\n\tLogger,\n\tCredentials,\n\tSigner,\n\tHub,\n\tConstants,\n\tUSER_AGENT_HEADER,\n\tjitteredExponentialRetry,\n\tNonRetryableError,\n\tICredentials,\n\tisNonRetryableError,\n\tCustomUserAgentDetails,\n\tgetAmplifyUserAgent,\n} from '@aws-amplify/core';\nimport { Cache } from '@aws-amplify/cache';\nimport { Auth, GRAPHQL_AUTH_MODE } from '@aws-amplify/auth';\nimport { AbstractPubSubProvider } from '../PubSubProvider';\nimport {\n\tCONTROL_MSG,\n\tConnectionState,\n\tPubSubContent,\n\tPubSubContentObserver,\n} from '../../types/PubSub';\n\nimport {\n\tAMPLIFY_SYMBOL,\n\tAWS_APPSYNC_REALTIME_HEADERS,\n\tCONNECTION_INIT_TIMEOUT,\n\tDEFAULT_KEEP_ALIVE_TIMEOUT,\n\tDEFAULT_KEEP_ALIVE_ALERT_TIMEOUT,\n\tMAX_DELAY_MS,\n\tMESSAGE_TYPES,\n\tNON_RETRYABLE_CODES,\n\tSOCKET_STATUS,\n\tSTART_ACK_TIMEOUT,\n\tSUBSCRIPTION_STATUS,\n\tCONNECTION_STATE_CHANGE,\n} from '../constants';\nimport {\n\tConnectionStateMonitor,\n\tCONNECTION_CHANGE,\n} from '../../utils/ConnectionStateMonitor';\nimport {\n\tReconnectEvent,\n\tReconnectionMonitor,\n} from '../../utils/ReconnectionMonitor';\n\nconst logger = new Logger('AWSAppSyncRealTimeProvider');\n\nconst dispatchApiEvent = (\n\tevent: string,\n\tdata: Record,\n\tmessage: string\n) => {\n\tHub.dispatch('api', { event, data, message }, 'PubSub', AMPLIFY_SYMBOL);\n};\n\nexport type ObserverQuery = {\n\tobserver: PubSubContentObserver;\n\tquery: string;\n\tvariables: Record;\n\tsubscriptionState: SUBSCRIPTION_STATUS;\n\tsubscriptionReadyCallback?: Function;\n\tsubscriptionFailedCallback?: Function;\n\tstartAckTimeoutId?: ReturnType;\n};\n\nconst standardDomainPattern =\n\t/^https:\\/\\/\\w{26}\\.appsync\\-api\\.\\w{2}(?:(?:\\-\\w{2,})+)\\-\\d\\.amazonaws.com(?:\\.cn)?\\/graphql$/i;\n\nconst customDomainPath = '/realtime';\n\ntype GraphqlAuthModes = keyof typeof GRAPHQL_AUTH_MODE;\n\ntype DataObject = {\n\tdata: Record;\n};\n\ntype DataPayload = {\n\tid: string;\n\tpayload: DataObject;\n\ttype: string;\n};\n\ntype ParsedMessagePayload = {\n\ttype: string;\n\tpayload: {\n\t\tconnectionTimeoutMs: number;\n\t\terrors?: [{ errorType: string; errorCode: number }];\n\t};\n};\n\nexport interface AWSAppSyncRealTimeProviderOptions extends ProviderOptions {\n\tappSyncGraphqlEndpoint?: string;\n\tauthenticationType?: GraphqlAuthModes;\n\tquery?: string;\n\tvariables?: Record;\n\tapiKey?: string;\n\tregion?: string;\n\tgraphql_headers?: () => {} | (() => Promise<{}>);\n\tadditionalHeaders?: { [key: string]: string };\n}\n\ntype AWSAppSyncRealTimeAuthInput =\n\tPartial & {\n\t\tcanonicalUri: string;\n\t\tpayload: string;\n\t\thost?: string | undefined;\n\t};\n\nexport class AWSAppSyncRealTimeProvider extends AbstractPubSubProvider {\n\tprivate awsRealTimeSocket?: WebSocket;\n\tprivate socketStatus: SOCKET_STATUS = SOCKET_STATUS.CLOSED;\n\tprivate keepAliveTimeoutId?: ReturnType;\n\tprivate keepAliveTimeout = DEFAULT_KEEP_ALIVE_TIMEOUT;\n\tprivate keepAliveAlertTimeoutId?: ReturnType;\n\tprivate subscriptionObserverMap: Map = new Map();\n\tprivate promiseArray: Array<{ res: Function; rej: Function }> = [];\n\tprivate connectionState: ConnectionState;\n\tprivate readonly connectionStateMonitor = new ConnectionStateMonitor();\n\tprivate readonly reconnectionMonitor = new ReconnectionMonitor();\n\tprivate connectionStateMonitorSubscription: ZenObservable.Subscription;\n\n\tconstructor(options: ProviderOptions = {}) {\n\t\tsuper(options);\n\t\t// Monitor the connection state and pass changes along to Hub\n\t\tthis.connectionStateMonitorSubscription =\n\t\t\tthis.connectionStateMonitor.connectionStateObservable.subscribe(\n\t\t\t\tconnectionState => {\n\t\t\t\t\tdispatchApiEvent(\n\t\t\t\t\t\tCONNECTION_STATE_CHANGE,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tprovider: this,\n\t\t\t\t\t\t\tconnectionState,\n\t\t\t\t\t\t},\n\t\t\t\t\t\t`Connection state is ${connectionState}`\n\t\t\t\t\t);\n\t\t\t\t\tthis.connectionState = connectionState;\n\n\t\t\t\t\t// Trigger START_RECONNECT when the connection is disrupted\n\t\t\t\t\tif (connectionState === ConnectionState.ConnectionDisrupted) {\n\t\t\t\t\t\tthis.reconnectionMonitor.record(ReconnectEvent.START_RECONNECT);\n\t\t\t\t\t}\n\n\t\t\t\t\t// Trigger HALT_RECONNECT to halt reconnection attempts when the state is anything other than\n\t\t\t\t\t// ConnectionDisrupted or Connecting\n\t\t\t\t\tif (\n\t\t\t\t\t\t[\n\t\t\t\t\t\t\tConnectionState.Connected,\n\t\t\t\t\t\t\tConnectionState.ConnectedPendingDisconnect,\n\t\t\t\t\t\t\tConnectionState.ConnectedPendingKeepAlive,\n\t\t\t\t\t\t\tConnectionState.ConnectedPendingNetwork,\n\t\t\t\t\t\t\tConnectionState.ConnectionDisruptedPendingNetwork,\n\t\t\t\t\t\t\tConnectionState.Disconnected,\n\t\t\t\t\t\t].includes(connectionState)\n\t\t\t\t\t) {\n\t\t\t\t\t\tthis.reconnectionMonitor.record(ReconnectEvent.HALT_RECONNECT);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t);\n\t}\n\n\t/**\n\t * Mark the socket closed and release all active listeners\n\t */\n\tclose() {\n\t\t// Mark the socket closed both in status and the connection monitor\n\t\tthis.socketStatus = SOCKET_STATUS.CLOSED;\n\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CONNECTION_FAILED);\n\n\t\t// Turn off the subscription monitor Hub publishing\n\t\tthis.connectionStateMonitorSubscription.unsubscribe();\n\t\t// Complete all reconnect observers\n\t\tthis.reconnectionMonitor.close();\n\t}\n\n\tgetNewWebSocket(url: string, protocol: string) {\n\t\treturn new WebSocket(url, protocol);\n\t}\n\n\tgetProviderName() {\n\t\treturn 'AWSAppSyncRealTimeProvider';\n\t}\n\n\tnewClient(): Promise {\n\t\tthrow new Error('Not used here');\n\t}\n\n\tpublic async publish(\n\t\t_topics: string[] | string,\n\t\t_msg: PubSubContent,\n\t\t_options?: AWSAppSyncRealTimeProviderOptions\n\t) {\n\t\tthrow new Error('Operation not supported');\n\t}\n\n\t// Check if url matches standard domain pattern\n\tprivate isCustomDomain(url: string): boolean {\n\t\treturn url.match(standardDomainPattern) === null;\n\t}\n\n\tsubscribe(\n\t\t_topics: string[] | string,\n\t\toptions?: AWSAppSyncRealTimeProviderOptions,\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Observable> {\n\t\tconst appSyncGraphqlEndpoint = options?.appSyncGraphqlEndpoint;\n\n\t\treturn new Observable(observer => {\n\t\t\tif (!options || !appSyncGraphqlEndpoint) {\n\t\t\t\tobserver.error({\n\t\t\t\t\terrors: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t...new GraphQLError(\n\t\t\t\t\t\t\t\t`Subscribe only available for AWS AppSync endpoint`\n\t\t\t\t\t\t\t),\n\t\t\t\t\t\t},\n\t\t\t\t\t],\n\t\t\t\t});\n\t\t\t\tobserver.complete();\n\t\t\t} else {\n\t\t\t\tlet subscriptionStartActive = false;\n\t\t\t\tconst subscriptionId = uuid();\n\t\t\t\tconst startSubscription = () => {\n\t\t\t\t\tif (!subscriptionStartActive) {\n\t\t\t\t\t\tsubscriptionStartActive = true;\n\n\t\t\t\t\t\tconst startSubscriptionPromise =\n\t\t\t\t\t\t\tthis._startSubscriptionWithAWSAppSyncRealTime({\n\t\t\t\t\t\t\t\toptions,\n\t\t\t\t\t\t\t\tobserver,\n\t\t\t\t\t\t\t\tsubscriptionId,\n\t\t\t\t\t\t\t\tcustomUserAgentDetails,\n\t\t\t\t\t\t\t}).catch(err => {\n\t\t\t\t\t\t\t\tlogger.debug(\n\t\t\t\t\t\t\t\t\t`${CONTROL_MSG.REALTIME_SUBSCRIPTION_INIT_ERROR}: ${err}`\n\t\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSED);\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\tstartSubscriptionPromise.finally(() => {\n\t\t\t\t\t\t\tsubscriptionStartActive = false;\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\tlet reconnectSubscription: ZenObservable.Subscription;\n\n\t\t\t\t// Add an observable to the reconnection list to manage reconnection for this subscription\n\t\t\t\treconnectSubscription = new Observable(observer => {\n\t\t\t\t\tthis.reconnectionMonitor.addObserver(observer);\n\t\t\t\t}).subscribe(() => {\n\t\t\t\t\tstartSubscription();\n\t\t\t\t});\n\n\t\t\t\tstartSubscription();\n\n\t\t\t\treturn async () => {\n\t\t\t\t\t// Cleanup reconnection subscription\n\t\t\t\t\treconnectSubscription?.unsubscribe();\n\n\t\t\t\t\t// Cleanup after unsubscribing or observer.complete was called after _startSubscriptionWithAWSAppSyncRealTime\n\t\t\t\t\ttry {\n\t\t\t\t\t\t// Waiting that subscription has been connected before trying to unsubscribe\n\t\t\t\t\t\tawait this._waitForSubscriptionToBeConnected(subscriptionId);\n\n\t\t\t\t\t\tconst { subscriptionState } =\n\t\t\t\t\t\t\tthis.subscriptionObserverMap.get(subscriptionId) || {};\n\n\t\t\t\t\t\tif (!subscriptionState) {\n\t\t\t\t\t\t\t// subscription already unsubscribed\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif (subscriptionState === SUBSCRIPTION_STATUS.CONNECTED) {\n\t\t\t\t\t\t\tthis._sendUnsubscriptionMessage(subscriptionId);\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthrow new Error('Subscription never connected');\n\t\t\t\t\t\t}\n\t\t\t\t\t} catch (err) {\n\t\t\t\t\t\tlogger.debug(`Error while unsubscribing ${err}`);\n\t\t\t\t\t} finally {\n\t\t\t\t\t\tthis._removeSubscriptionObserver(subscriptionId);\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t\t}\n\t\t});\n\t}\n\n\tprotected get isSSLEnabled() {\n\t\treturn !this.options[\n\t\t\t'aws_appsync_dangerously_connect_to_http_endpoint_for_testing'\n\t\t];\n\t}\n\n\tprivate async _startSubscriptionWithAWSAppSyncRealTime({\n\t\toptions,\n\t\tobserver,\n\t\tsubscriptionId,\n\t\tcustomUserAgentDetails,\n\t}: {\n\t\toptions: AWSAppSyncRealTimeProviderOptions;\n\t\tobserver: PubSubContentObserver;\n\t\tsubscriptionId: string;\n\t\tcustomUserAgentDetails: CustomUserAgentDetails;\n\t}) {\n\t\tconst {\n\t\t\tappSyncGraphqlEndpoint,\n\t\t\tauthenticationType,\n\t\t\tquery,\n\t\t\tvariables,\n\t\t\tapiKey,\n\t\t\tregion,\n\t\t\tgraphql_headers = () => ({}),\n\t\t\tadditionalHeaders = {},\n\t\t} = options;\n\n\t\tconst subscriptionState: SUBSCRIPTION_STATUS = SUBSCRIPTION_STATUS.PENDING;\n\t\tconst data = {\n\t\t\tquery,\n\t\t\tvariables,\n\t\t};\n\t\t// Having a subscription id map will make it simple to forward messages received\n\t\tthis.subscriptionObserverMap.set(subscriptionId, {\n\t\t\tobserver,\n\t\t\tquery: query ?? '',\n\t\t\tvariables: variables ?? {},\n\t\t\tsubscriptionState,\n\t\t\tstartAckTimeoutId: undefined,\n\t\t});\n\n\t\t// Preparing payload for subscription message\n\n\t\tconst dataString = JSON.stringify(data);\n\t\tconst headerObj = {\n\t\t\t...(await this._awsRealTimeHeaderBasedAuth({\n\t\t\t\tapiKey,\n\t\t\t\tappSyncGraphqlEndpoint,\n\t\t\t\tauthenticationType,\n\t\t\t\tpayload: dataString,\n\t\t\t\tcanonicalUri: '',\n\t\t\t\tregion,\n\t\t\t\tadditionalHeaders,\n\t\t\t})),\n\t\t\t...(await graphql_headers()),\n\t\t\t...additionalHeaders,\n\t\t\t[USER_AGENT_HEADER]: getAmplifyUserAgent(customUserAgentDetails),\n\t\t};\n\n\t\tconst subscriptionMessage = {\n\t\t\tid: subscriptionId,\n\t\t\tpayload: {\n\t\t\t\tdata: dataString,\n\t\t\t\textensions: {\n\t\t\t\t\tauthorization: {\n\t\t\t\t\t\t...headerObj,\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t},\n\t\t\ttype: MESSAGE_TYPES.GQL_START,\n\t\t};\n\n\t\tconst stringToAWSRealTime = JSON.stringify(subscriptionMessage);\n\n\t\ttry {\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.OPENING_CONNECTION);\n\t\t\tawait this._initializeWebSocketConnection({\n\t\t\t\tapiKey,\n\t\t\t\tappSyncGraphqlEndpoint,\n\t\t\t\tauthenticationType,\n\t\t\t\tregion,\n\t\t\t\tadditionalHeaders,\n\t\t\t});\n\t\t} catch (err) {\n\t\t\tthis._logStartSubscriptionError(subscriptionId, observer, err);\n\t\t\treturn;\n\t\t}\n\n\t\t// Potential race condition can occur when unsubscribe is called during _initializeWebSocketConnection.\n\t\t// E.g.unsubscribe gets invoked prior to finishing WebSocket handshake or START_ACK.\n\t\t// Both subscriptionFailedCallback and subscriptionReadyCallback are used to synchronized this.\n\n\t\tconst { subscriptionFailedCallback, subscriptionReadyCallback } =\n\t\t\tthis.subscriptionObserverMap.get(subscriptionId) ?? {};\n\n\t\t// This must be done before sending the message in order to be listening immediately\n\t\tthis.subscriptionObserverMap.set(subscriptionId, {\n\t\t\tobserver,\n\t\t\tsubscriptionState,\n\t\t\tquery: query ?? '',\n\t\t\tvariables: variables ?? {},\n\t\t\tsubscriptionReadyCallback,\n\t\t\tsubscriptionFailedCallback,\n\t\t\tstartAckTimeoutId: setTimeout(() => {\n\t\t\t\tthis._timeoutStartSubscriptionAck.call(this, subscriptionId);\n\t\t\t}, START_ACK_TIMEOUT),\n\t\t});\n\t\tif (this.awsRealTimeSocket) {\n\t\t\tthis.awsRealTimeSocket.send(stringToAWSRealTime);\n\t\t}\n\t}\n\n\t// Log logic for start subscription failures\n\tprivate _logStartSubscriptionError(\n\t\tsubscriptionId: string,\n\t\tobserver: PubSubContentObserver,\n\t\terr: { message?: string }\n\t) {\n\t\tlogger.debug({ err });\n\t\tconst message = String(err.message ?? '');\n\t\t// Resolving to give the state observer time to propogate the update\n\t\tPromise.resolve(\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSED)\n\t\t);\n\n\t\t// Capture the error only when the network didn't cause disruption\n\t\tif (\n\t\t\tthis.connectionState !== ConnectionState.ConnectionDisruptedPendingNetwork\n\t\t) {\n\t\t\t// When the error is non-retriable, error out the observable\n\t\t\tif (isNonRetryableError(err)) {\n\t\t\t\tobserver.error({\n\t\t\t\t\terrors: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t...new GraphQLError(\n\t\t\t\t\t\t\t\t`${CONTROL_MSG.CONNECTION_FAILED}: ${message}`\n\t\t\t\t\t\t\t),\n\t\t\t\t\t\t},\n\t\t\t\t\t],\n\t\t\t\t});\n\t\t\t} else {\n\t\t\t\tlogger.debug(`${CONTROL_MSG.CONNECTION_FAILED}: ${message}`);\n\t\t\t}\n\n\t\t\tconst { subscriptionFailedCallback } =\n\t\t\t\tthis.subscriptionObserverMap.get(subscriptionId) || {};\n\n\t\t\t// Notify concurrent unsubscription\n\t\t\tif (typeof subscriptionFailedCallback === 'function') {\n\t\t\t\tsubscriptionFailedCallback();\n\t\t\t}\n\t\t}\n\t}\n\n\t// Waiting that subscription has been connected before trying to unsubscribe\n\tprivate async _waitForSubscriptionToBeConnected(subscriptionId: string) {\n\t\tconst subscriptionObserver =\n\t\t\tthis.subscriptionObserverMap.get(subscriptionId);\n\t\tif (subscriptionObserver) {\n\t\t\tconst { subscriptionState } = subscriptionObserver;\n\t\t\t// This in case unsubscribe is invoked before sending start subscription message\n\t\t\tif (subscriptionState === SUBSCRIPTION_STATUS.PENDING) {\n\t\t\t\treturn new Promise((res, rej) => {\n\t\t\t\t\tconst { observer, subscriptionState, variables, query } =\n\t\t\t\t\t\tsubscriptionObserver;\n\t\t\t\t\tthis.subscriptionObserverMap.set(subscriptionId, {\n\t\t\t\t\t\tobserver,\n\t\t\t\t\t\tsubscriptionState,\n\t\t\t\t\t\tvariables,\n\t\t\t\t\t\tquery,\n\t\t\t\t\t\tsubscriptionReadyCallback: res,\n\t\t\t\t\t\tsubscriptionFailedCallback: rej,\n\t\t\t\t\t});\n\t\t\t\t});\n\t\t\t}\n\t\t}\n\t}\n\n\tprivate _sendUnsubscriptionMessage(subscriptionId: string) {\n\t\ttry {\n\t\t\tif (\n\t\t\t\tthis.awsRealTimeSocket &&\n\t\t\t\tthis.awsRealTimeSocket.readyState === WebSocket.OPEN &&\n\t\t\t\tthis.socketStatus === SOCKET_STATUS.READY\n\t\t\t) {\n\t\t\t\t// Preparing unsubscribe message to stop receiving messages for that subscription\n\t\t\t\tconst unsubscribeMessage = {\n\t\t\t\t\tid: subscriptionId,\n\t\t\t\t\ttype: MESSAGE_TYPES.GQL_STOP,\n\t\t\t\t};\n\t\t\t\tconst stringToAWSRealTime = JSON.stringify(unsubscribeMessage);\n\t\t\t\tthis.awsRealTimeSocket.send(stringToAWSRealTime);\n\t\t\t}\n\t\t} catch (err) {\n\t\t\t// If GQL_STOP is not sent because of disconnection issue, then there is nothing the client can do\n\t\t\tlogger.debug({ err });\n\t\t}\n\t}\n\n\tprivate _removeSubscriptionObserver(subscriptionId: string) {\n\t\tthis.subscriptionObserverMap.delete(subscriptionId);\n\n\t\t// Verifying 1000ms after removing subscription in case there are new subscription unmount/mount\n\t\tsetTimeout(this._closeSocketIfRequired.bind(this), 1000);\n\t}\n\n\tprivate _closeSocketIfRequired() {\n\t\tif (this.subscriptionObserverMap.size > 0) {\n\t\t\t// Active subscriptions on the WebSocket\n\t\t\treturn;\n\t\t}\n\n\t\tif (!this.awsRealTimeSocket) {\n\t\t\tthis.socketStatus = SOCKET_STATUS.CLOSED;\n\t\t\treturn;\n\t\t}\n\n\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSING_CONNECTION);\n\n\t\tif (this.awsRealTimeSocket.bufferedAmount > 0) {\n\t\t\t// Still data on the WebSocket\n\t\t\tsetTimeout(this._closeSocketIfRequired.bind(this), 1000);\n\t\t} else {\n\t\t\tlogger.debug('closing WebSocket...');\n\t\t\tif (this.keepAliveTimeoutId) {\n\t\t\t\tclearTimeout(this.keepAliveTimeoutId);\n\t\t\t}\n\t\t\tif (this.keepAliveAlertTimeoutId) {\n\t\t\t\tclearTimeout(this.keepAliveAlertTimeoutId);\n\t\t\t}\n\t\t\tconst tempSocket = this.awsRealTimeSocket;\n\t\t\t// Cleaning callbacks to avoid race condition, socket still exists\n\t\t\ttempSocket.onclose = null;\n\t\t\ttempSocket.onerror = null;\n\t\t\ttempSocket.close(1000);\n\t\t\tthis.awsRealTimeSocket = undefined;\n\t\t\tthis.socketStatus = SOCKET_STATUS.CLOSED;\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSED);\n\t\t}\n\t}\n\n\tprivate _handleIncomingSubscriptionMessage(message: MessageEvent) {\n\t\tif (typeof message.data !== 'string') {\n\t\t\treturn;\n\t\t}\n\t\tlogger.debug(\n\t\t\t`subscription message from AWS AppSync RealTime: ${message.data}`\n\t\t);\n\t\tconst {\n\t\t\tid = '',\n\t\t\tpayload,\n\t\t\ttype,\n\t\t}: DataPayload = JSON.parse(String(message.data));\n\t\tconst {\n\t\t\tobserver = null,\n\t\t\tquery = '',\n\t\t\tvariables = {},\n\t\t\tstartAckTimeoutId,\n\t\t\tsubscriptionReadyCallback,\n\t\t\tsubscriptionFailedCallback,\n\t\t} = this.subscriptionObserverMap.get(id) || {};\n\n\t\tlogger.debug({ id, observer, query, variables });\n\n\t\tif (type === MESSAGE_TYPES.GQL_DATA && payload && payload.data) {\n\t\t\tif (observer) {\n\t\t\t\tobserver.next(payload);\n\t\t\t} else {\n\t\t\t\tlogger.debug(`observer not found for id: ${id}`);\n\t\t\t}\n\t\t\treturn;\n\t\t}\n\n\t\tif (type === MESSAGE_TYPES.GQL_START_ACK) {\n\t\t\tlogger.debug(\n\t\t\t\t`subscription ready for ${JSON.stringify({ query, variables })}`\n\t\t\t);\n\t\t\tif (typeof subscriptionReadyCallback === 'function') {\n\t\t\t\tsubscriptionReadyCallback();\n\t\t\t}\n\t\t\tif (startAckTimeoutId) clearTimeout(startAckTimeoutId);\n\t\t\tdispatchApiEvent(\n\t\t\t\tCONTROL_MSG.SUBSCRIPTION_ACK,\n\t\t\t\t{ query, variables },\n\t\t\t\t'Connection established for subscription'\n\t\t\t);\n\t\t\tconst subscriptionState = SUBSCRIPTION_STATUS.CONNECTED;\n\t\t\tif (observer) {\n\t\t\t\tthis.subscriptionObserverMap.set(id, {\n\t\t\t\t\tobserver,\n\t\t\t\t\tquery,\n\t\t\t\t\tvariables,\n\t\t\t\t\tstartAckTimeoutId: undefined,\n\t\t\t\t\tsubscriptionState,\n\t\t\t\t\tsubscriptionReadyCallback,\n\t\t\t\t\tsubscriptionFailedCallback,\n\t\t\t\t});\n\t\t\t}\n\t\t\tthis.connectionStateMonitor.record(\n\t\t\t\tCONNECTION_CHANGE.CONNECTION_ESTABLISHED\n\t\t\t);\n\n\t\t\treturn;\n\t\t}\n\n\t\tif (type === MESSAGE_TYPES.GQL_CONNECTION_KEEP_ALIVE) {\n\t\t\tif (this.keepAliveTimeoutId) clearTimeout(this.keepAliveTimeoutId);\n\t\t\tif (this.keepAliveAlertTimeoutId)\n\t\t\t\tclearTimeout(this.keepAliveAlertTimeoutId);\n\t\t\tthis.keepAliveTimeoutId = setTimeout(\n\t\t\t\t() => this._errorDisconnect(CONTROL_MSG.TIMEOUT_DISCONNECT),\n\t\t\t\tthis.keepAliveTimeout\n\t\t\t);\n\t\t\tthis.keepAliveAlertTimeoutId = setTimeout(() => {\n\t\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.KEEP_ALIVE_MISSED);\n\t\t\t}, DEFAULT_KEEP_ALIVE_ALERT_TIMEOUT);\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.KEEP_ALIVE);\n\t\t\treturn;\n\t\t}\n\n\t\tif (type === MESSAGE_TYPES.GQL_ERROR) {\n\t\t\tconst subscriptionState = SUBSCRIPTION_STATUS.FAILED;\n\t\t\tif (observer) {\n\t\t\t\tthis.subscriptionObserverMap.set(id, {\n\t\t\t\t\tobserver,\n\t\t\t\t\tquery,\n\t\t\t\t\tvariables,\n\t\t\t\t\tstartAckTimeoutId,\n\t\t\t\t\tsubscriptionReadyCallback,\n\t\t\t\t\tsubscriptionFailedCallback,\n\t\t\t\t\tsubscriptionState,\n\t\t\t\t});\n\n\t\t\t\tlogger.debug(\n\t\t\t\t\t`${CONTROL_MSG.CONNECTION_FAILED}: ${JSON.stringify(payload)}`\n\t\t\t\t);\n\n\t\t\t\tobserver.error({\n\t\t\t\t\terrors: [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t...new GraphQLError(\n\t\t\t\t\t\t\t\t`${CONTROL_MSG.CONNECTION_FAILED}: ${JSON.stringify(payload)}`\n\t\t\t\t\t\t\t),\n\t\t\t\t\t\t},\n\t\t\t\t\t],\n\t\t\t\t});\n\n\t\t\t\tif (startAckTimeoutId) clearTimeout(startAckTimeoutId);\n\n\t\t\t\tif (typeof subscriptionFailedCallback === 'function') {\n\t\t\t\t\tsubscriptionFailedCallback();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tprivate _errorDisconnect(msg: string) {\n\t\tlogger.debug(`Disconnect error: ${msg}`);\n\n\t\tif (this.awsRealTimeSocket) {\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSED);\n\t\t\tthis.awsRealTimeSocket.close();\n\t\t}\n\n\t\tthis.socketStatus = SOCKET_STATUS.CLOSED;\n\t}\n\n\tprivate _timeoutStartSubscriptionAck(subscriptionId: string) {\n\t\tconst subscriptionObserver =\n\t\t\tthis.subscriptionObserverMap.get(subscriptionId);\n\t\tif (subscriptionObserver) {\n\t\t\tconst { observer, query, variables } = subscriptionObserver;\n\t\t\tif (!observer) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tthis.subscriptionObserverMap.set(subscriptionId, {\n\t\t\t\tobserver,\n\t\t\t\tquery,\n\t\t\t\tvariables,\n\t\t\t\tsubscriptionState: SUBSCRIPTION_STATUS.FAILED,\n\t\t\t});\n\n\t\t\tthis.connectionStateMonitor.record(CONNECTION_CHANGE.CLOSED);\n\t\t\tlogger.debug(\n\t\t\t\t'timeoutStartSubscription',\n\t\t\t\tJSON.stringify({ query, variables })\n\t\t\t);\n\t\t}\n\t}\n\n\tprivate _initializeWebSocketConnection({\n\t\tappSyncGraphqlEndpoint,\n\t\tauthenticationType,\n\t\tapiKey,\n\t\tregion,\n\t\tadditionalHeaders,\n\t}: AWSAppSyncRealTimeProviderOptions) {\n\t\tif (this.socketStatus === SOCKET_STATUS.READY) {\n\t\t\treturn;\n\t\t}\n\t\treturn new Promise(async (res, rej) => {\n\t\t\tthis.promiseArray.push({ res, rej });\n\n\t\t\tif (this.socketStatus === SOCKET_STATUS.CLOSED) {\n\t\t\t\ttry {\n\t\t\t\t\tthis.socketStatus = SOCKET_STATUS.CONNECTING;\n\n\t\t\t\t\tconst payloadString = '{}';\n\n\t\t\t\t\tconst authHeader = await this._awsRealTimeHeaderBasedAuth({\n\t\t\t\t\t\tauthenticationType,\n\t\t\t\t\t\tpayload: payloadString,\n\t\t\t\t\t\tcanonicalUri: '/connect',\n\t\t\t\t\t\tapiKey,\n\t\t\t\t\t\tappSyncGraphqlEndpoint,\n\t\t\t\t\t\tregion,\n\t\t\t\t\t\tadditionalHeaders,\n\t\t\t\t\t});\n\n\t\t\t\t\tconst headerString = authHeader ? JSON.stringify(authHeader) : '';\n\t\t\t\t\tconst headerQs = Buffer.from(headerString).toString('base64');\n\n\t\t\t\t\tconst payloadQs = Buffer.from(payloadString).toString('base64');\n\n\t\t\t\t\tlet discoverableEndpoint = appSyncGraphqlEndpoint ?? '';\n\n\t\t\t\t\tif (this.isCustomDomain(discoverableEndpoint)) {\n\t\t\t\t\t\tdiscoverableEndpoint =\n\t\t\t\t\t\t\tdiscoverableEndpoint.concat(customDomainPath);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tdiscoverableEndpoint = discoverableEndpoint\n\t\t\t\t\t\t\t.replace('appsync-api', 'appsync-realtime-api')\n\t\t\t\t\t\t\t.replace('gogi-beta', 'grt-beta');\n\t\t\t\t\t}\n\n\t\t\t\t\t// Creating websocket url with required query strings\n\t\t\t\t\tconst protocol = this.isSSLEnabled ? 'wss://' : 'ws://';\n\t\t\t\t\tdiscoverableEndpoint = discoverableEndpoint\n\t\t\t\t\t\t.replace('https://', protocol)\n\t\t\t\t\t\t.replace('http://', protocol);\n\n\t\t\t\t\tconst awsRealTimeUrl = `${discoverableEndpoint}?header=${headerQs}&payload=${payloadQs}`;\n\n\t\t\t\t\tawait this._initializeRetryableHandshake(awsRealTimeUrl);\n\n\t\t\t\t\tthis.promiseArray.forEach(({ res }) => {\n\t\t\t\t\t\tlogger.debug('Notifying connection successful');\n\t\t\t\t\t\tres();\n\t\t\t\t\t});\n\t\t\t\t\tthis.socketStatus = SOCKET_STATUS.READY;\n\t\t\t\t\tthis.promiseArray = [];\n\t\t\t\t} catch (err) {\n\t\t\t\t\tlogger.debug('Connection exited with', err);\n\t\t\t\t\tthis.promiseArray.forEach(({ rej }) => rej(err));\n\t\t\t\t\tthis.promiseArray = [];\n\t\t\t\t\tif (\n\t\t\t\t\t\tthis.awsRealTimeSocket &&\n\t\t\t\t\t\tthis.awsRealTimeSocket.readyState === WebSocket.OPEN\n\t\t\t\t\t) {\n\t\t\t\t\t\tthis.awsRealTimeSocket.close(3001);\n\t\t\t\t\t}\n\t\t\t\t\tthis.awsRealTimeSocket = undefined;\n\t\t\t\t\tthis.socketStatus = SOCKET_STATUS.CLOSED;\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t}\n\n\tprivate async _initializeRetryableHandshake(awsRealTimeUrl: string) {\n\t\tlogger.debug(`Initializaling retryable Handshake`);\n\t\tawait jitteredExponentialRetry(\n\t\t\tthis._initializeHandshake.bind(this),\n\t\t\t[awsRealTimeUrl],\n\t\t\tMAX_DELAY_MS\n\t\t);\n\t}\n\n\tprivate async _initializeHandshake(awsRealTimeUrl: string) {\n\t\tlogger.debug(`Initializing handshake ${awsRealTimeUrl}`);\n\t\t// Because connecting the socket is async, is waiting until connection is open\n\t\t// Step 1: connect websocket\n\t\ttry {\n\t\t\tawait (() => {\n\t\t\t\treturn new Promise((res, rej) => {\n\t\t\t\t\tconst newSocket = this.getNewWebSocket(awsRealTimeUrl, 'graphql-ws');\n\t\t\t\t\tnewSocket.onerror = () => {\n\t\t\t\t\t\tlogger.debug(`WebSocket connection error`);\n\t\t\t\t\t};\n\t\t\t\t\tnewSocket.onclose = () => {\n\t\t\t\t\t\trej(new Error('Connection handshake error'));\n\t\t\t\t\t};\n\t\t\t\t\tnewSocket.onopen = () => {\n\t\t\t\t\t\tthis.awsRealTimeSocket = newSocket;\n\t\t\t\t\t\treturn res();\n\t\t\t\t\t};\n\t\t\t\t});\n\t\t\t})();\n\t\t\t// Step 2: wait for ack from AWS AppSyncReaTime after sending init\n\t\t\tawait (() => {\n\t\t\t\treturn new Promise((res, rej) => {\n\t\t\t\t\tif (this.awsRealTimeSocket) {\n\t\t\t\t\t\tlet ackOk = false;\n\t\t\t\t\t\tthis.awsRealTimeSocket.onerror = error => {\n\t\t\t\t\t\t\tlogger.debug(`WebSocket error ${JSON.stringify(error)}`);\n\t\t\t\t\t\t};\n\t\t\t\t\t\tthis.awsRealTimeSocket.onclose = event => {\n\t\t\t\t\t\t\tlogger.debug(`WebSocket closed ${event.reason}`);\n\t\t\t\t\t\t\trej(new Error(JSON.stringify(event)));\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tthis.awsRealTimeSocket.onmessage = (message: MessageEvent) => {\n\t\t\t\t\t\t\tif (typeof message.data !== 'string') {\n\t\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tlogger.debug(\n\t\t\t\t\t\t\t\t`subscription message from AWS AppSyncRealTime: ${message.data} `\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\tconst data = JSON.parse(message.data) as ParsedMessagePayload;\n\t\t\t\t\t\t\tconst {\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tpayload: {\n\t\t\t\t\t\t\t\t\tconnectionTimeoutMs = DEFAULT_KEEP_ALIVE_TIMEOUT,\n\t\t\t\t\t\t\t\t} = {},\n\t\t\t\t\t\t\t} = data;\n\t\t\t\t\t\t\tif (type === MESSAGE_TYPES.GQL_CONNECTION_ACK) {\n\t\t\t\t\t\t\t\tackOk = true;\n\t\t\t\t\t\t\t\tif (this.awsRealTimeSocket) {\n\t\t\t\t\t\t\t\t\tthis.keepAliveTimeout = connectionTimeoutMs;\n\t\t\t\t\t\t\t\t\tthis.awsRealTimeSocket.onmessage =\n\t\t\t\t\t\t\t\t\t\tthis._handleIncomingSubscriptionMessage.bind(this);\n\t\t\t\t\t\t\t\t\tthis.awsRealTimeSocket.onerror = err => {\n\t\t\t\t\t\t\t\t\t\tlogger.debug(err);\n\t\t\t\t\t\t\t\t\t\tthis._errorDisconnect(CONTROL_MSG.CONNECTION_CLOSED);\n\t\t\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\t\t\tthis.awsRealTimeSocket.onclose = event => {\n\t\t\t\t\t\t\t\t\t\tlogger.debug(`WebSocket closed ${event.reason}`);\n\t\t\t\t\t\t\t\t\t\tthis._errorDisconnect(CONTROL_MSG.CONNECTION_CLOSED);\n\t\t\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tres('Cool, connected to AWS AppSyncRealTime');\n\t\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif (type === MESSAGE_TYPES.GQL_CONNECTION_ERROR) {\n\t\t\t\t\t\t\t\tconst {\n\t\t\t\t\t\t\t\t\tpayload: {\n\t\t\t\t\t\t\t\t\t\terrors: [{ errorType = '', errorCode = 0 } = {}] = [],\n\t\t\t\t\t\t\t\t\t} = {},\n\t\t\t\t\t\t\t\t} = data;\n\n\t\t\t\t\t\t\t\trej({ errorType, errorCode });\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tconst gqlInit = {\n\t\t\t\t\t\t\ttype: MESSAGE_TYPES.GQL_CONNECTION_INIT,\n\t\t\t\t\t\t};\n\t\t\t\t\t\tthis.awsRealTimeSocket.send(JSON.stringify(gqlInit));\n\n\t\t\t\t\t\tconst checkAckOk = (ackOk: boolean) => {\n\t\t\t\t\t\t\tif (!ackOk) {\n\t\t\t\t\t\t\t\tthis.connectionStateMonitor.record(\n\t\t\t\t\t\t\t\t\tCONNECTION_CHANGE.CONNECTION_FAILED\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\trej(\n\t\t\t\t\t\t\t\t\tnew Error(\n\t\t\t\t\t\t\t\t\t\t`Connection timeout: ack from AWSAppSyncRealTime was not received after ${CONNECTION_INIT_TIMEOUT} ms`\n\t\t\t\t\t\t\t\t\t)\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t};\n\n\t\t\t\t\t\tsetTimeout(() => checkAckOk(ackOk), CONNECTION_INIT_TIMEOUT);\n\t\t\t\t\t}\n\t\t\t\t});\n\t\t\t})();\n\t\t} catch (err) {\n\t\t\tconst { errorType, errorCode } = err as {\n\t\t\t\terrorType: string;\n\t\t\t\terrorCode: number;\n\t\t\t};\n\n\t\t\tif (NON_RETRYABLE_CODES.includes(errorCode)) {\n\t\t\t\tthrow new NonRetryableError(errorType);\n\t\t\t} else if (errorType) {\n\t\t\t\tthrow new Error(errorType);\n\t\t\t} else {\n\t\t\t\tthrow err;\n\t\t\t}\n\t\t}\n\t}\n\n\tprivate async _awsRealTimeHeaderBasedAuth({\n\t\tauthenticationType,\n\t\tpayload,\n\t\tcanonicalUri,\n\t\tappSyncGraphqlEndpoint,\n\t\tapiKey,\n\t\tregion,\n\t\tadditionalHeaders,\n\t}: AWSAppSyncRealTimeAuthInput): Promise<\n\t\tRecord | undefined\n\t> {\n\t\tconst headerHandler: {\n\t\t\t[key in GraphqlAuthModes]: (AWSAppSyncRealTimeAuthInput) => {};\n\t\t} = {\n\t\t\tAPI_KEY: this._awsRealTimeApiKeyHeader.bind(this),\n\t\t\tAWS_IAM: this._awsRealTimeIAMHeader.bind(this),\n\t\t\tOPENID_CONNECT: this._awsRealTimeOPENIDHeader.bind(this),\n\t\t\tAMAZON_COGNITO_USER_POOLS: this._awsRealTimeCUPHeader.bind(this),\n\t\t\tAWS_LAMBDA: this._customAuthHeader,\n\t\t};\n\n\t\tif (!authenticationType || !headerHandler[authenticationType]) {\n\t\t\tlogger.debug(`Authentication type ${authenticationType} not supported`);\n\t\t\treturn undefined;\n\t\t} else {\n\t\t\tconst handler = headerHandler[authenticationType];\n\n\t\t\tconst { host } = url.parse(appSyncGraphqlEndpoint ?? '');\n\n\t\t\tlogger.debug(`Authenticating with ${authenticationType}`);\n\n\t\t\tconst result = await handler({\n\t\t\t\tpayload,\n\t\t\t\tcanonicalUri,\n\t\t\t\tappSyncGraphqlEndpoint,\n\t\t\t\tapiKey,\n\t\t\t\tregion,\n\t\t\t\thost,\n\t\t\t\tadditionalHeaders,\n\t\t\t});\n\n\t\t\treturn result;\n\t\t}\n\t}\n\n\tprivate async _awsRealTimeCUPHeader({ host }: AWSAppSyncRealTimeAuthInput) {\n\t\tconst session = await Auth.currentSession();\n\t\treturn {\n\t\t\tAuthorization: session.getAccessToken().getJwtToken(),\n\t\t\thost,\n\t\t};\n\t}\n\n\tprivate async _awsRealTimeOPENIDHeader({\n\t\thost,\n\t}: AWSAppSyncRealTimeAuthInput) {\n\t\tlet token;\n\t\t// backwards compatibility\n\t\tconst federatedInfo = await Cache.getItem('federatedInfo');\n\t\tif (federatedInfo) {\n\t\t\ttoken = federatedInfo.token;\n\t\t} else {\n\t\t\tconst currentUser = await Auth.currentAuthenticatedUser();\n\t\t\tif (currentUser) {\n\t\t\t\ttoken = currentUser.token;\n\t\t\t}\n\t\t}\n\t\tif (!token) {\n\t\t\tthrow new Error('No federated jwt');\n\t\t}\n\t\treturn {\n\t\t\tAuthorization: token,\n\t\t\thost,\n\t\t};\n\t}\n\n\tprivate async _awsRealTimeApiKeyHeader({\n\t\tapiKey,\n\t\thost,\n\t}: AWSAppSyncRealTimeAuthInput) {\n\t\tconst dt = new Date();\n\t\tconst dtStr = dt.toISOString().replace(/[:\\-]|\\.\\d{3}/g, '');\n\n\t\treturn {\n\t\t\thost,\n\t\t\t'x-amz-date': dtStr,\n\t\t\t'x-api-key': apiKey,\n\t\t};\n\t}\n\n\tprivate async _awsRealTimeIAMHeader({\n\t\tpayload,\n\t\tcanonicalUri,\n\t\tappSyncGraphqlEndpoint,\n\t\tregion,\n\t}: AWSAppSyncRealTimeAuthInput) {\n\t\tconst endpointInfo = {\n\t\t\tregion,\n\t\t\tservice: 'appsync',\n\t\t};\n\n\t\tconst credentialsOK = await this._ensureCredentials();\n\t\tif (!credentialsOK) {\n\t\t\tthrow new Error('No credentials');\n\t\t}\n\t\tconst creds = await Credentials.get().then((credentials: any) => {\n\t\t\tconst { secretAccessKey, accessKeyId, sessionToken } =\n\t\t\t\tcredentials as ICredentials;\n\n\t\t\treturn {\n\t\t\t\tsecret_key: secretAccessKey,\n\t\t\t\taccess_key: accessKeyId,\n\t\t\t\tsession_token: sessionToken,\n\t\t\t};\n\t\t});\n\n\t\tconst request = {\n\t\t\turl: `${appSyncGraphqlEndpoint}${canonicalUri}`,\n\t\t\tdata: payload,\n\t\t\tmethod: 'POST',\n\t\t\theaders: { ...AWS_APPSYNC_REALTIME_HEADERS },\n\t\t};\n\n\t\tconst signed_params = Signer.sign(request, creds, endpointInfo);\n\t\treturn signed_params.headers;\n\t}\n\n\tprivate _customAuthHeader({\n\t\thost,\n\t\tadditionalHeaders,\n\t}: AWSAppSyncRealTimeAuthInput) {\n\t\tif (!additionalHeaders || !additionalHeaders['Authorization']) {\n\t\t\tthrow new Error('No auth token specified');\n\t\t}\n\n\t\treturn {\n\t\t\tAuthorization: additionalHeaders.Authorization,\n\t\t\thost,\n\t\t};\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_ensureCredentials() {\n\t\treturn Credentials.get()\n\t\t\t.then((credentials: any) => {\n\t\t\t\tif (!credentials) return false;\n\t\t\t\tconst cred = Credentials.shear(credentials);\n\t\t\t\tlogger.debug('set credentials for AWSAppSyncRealTimeProvider', cred);\n\n\t\t\t\treturn true;\n\t\t\t})\n\t\t\t.catch((err: any) => {\n\t\t\t\tlogger.warn('ensure credentials error', err);\n\t\t\t\treturn false;\n\t\t\t});\n\t}\n}\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport {\n\tAmplify,\n\tbrowserOrNode,\n\tCategory,\n\tConsoleLogger as Logger,\n\tCustomUserAgentDetails,\n\tINTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER,\n\tPubSubAction,\n} from '@aws-amplify/core';\nimport { PubSubProvider, PubSubOptions, ProviderOptions } from '../types';\nimport { AWSAppSyncRealTimeProvider } from '../Providers';\nimport { PubSubContent } from '../types/PubSub';\nimport Observable from 'zen-observable-ts';\n\nconst { isNode } = browserOrNode();\nconst logger = new Logger('PubSub');\n\ntype PubSubObservable = {\n\tprovider: PubSubProvider;\n\tvalue: string | Record;\n};\n\nexport class InternalPubSubClass {\n\tprivate _options: PubSubOptions;\n\n\tprivate _pluggables: PubSubProvider[];\n\n\t/**\n\t * Internal instance of AWSAppSyncRealTimeProvider used by the API category to subscribe to AppSync\n\t */\n\tprivate _awsAppSyncRealTimeProvider?: AWSAppSyncRealTimeProvider;\n\n\t/**\n\t * Lazy instantiate AWSAppSyncRealTimeProvider when it is required by the API category\n\t */\n\tprivate get awsAppSyncRealTimeProvider() {\n\t\tif (!this._awsAppSyncRealTimeProvider) {\n\t\t\tthis._awsAppSyncRealTimeProvider = new AWSAppSyncRealTimeProvider(\n\t\t\t\tthis._options\n\t\t\t);\n\t\t}\n\t\treturn this._awsAppSyncRealTimeProvider;\n\t}\n\n\t/**\n\t * Initialize PubSub with AWS configurations\n\t *\n\t * @param {PubSubOptions} options - Configuration object for PubSub\n\t */\n\tconstructor(options?: PubSubOptions) {\n\t\tthis._options = options ?? {};\n\t\tlogger.debug('PubSub Options', this._options);\n\t\tthis._pluggables = [];\n\t\tthis.subscribe = this.subscribe.bind(this);\n\t}\n\n\tpublic getModuleName() {\n\t\treturn 'InternalPubSub';\n\t}\n\n\t/**\n\t * Configure PubSub part with configurations\n\t *\n\t * @param {PubSubOptions} config - Configuration for PubSub\n\t * @return {Object} - The current configuration\n\t */\n\tconfigure(options: PubSubOptions) {\n\t\tconst opt: Record = options\n\t\t\t? options.PubSub || options\n\t\t\t: {};\n\t\tlogger.debug('configure PubSub', { opt });\n\n\t\tthis._options = Object.assign({}, this._options, opt);\n\n\t\tthis._pluggables.map(pluggable => pluggable.configure(this._options));\n\n\t\treturn this._options;\n\t}\n\n\t/**\n\t * add plugin into Analytics category\n\t * @param {Object} pluggable - an instance of the plugin\n\t */\n\tpublic async addPluggable(pluggable: PubSubProvider) {\n\t\tif (pluggable && pluggable.getCategory() === 'PubSub') {\n\t\t\tthis._pluggables.push(pluggable);\n\n\t\t\tconst config = pluggable.configure(this._options);\n\n\t\t\treturn config;\n\t\t}\n\t}\n\n\t/**\n\t * remove plugin from PubSub category\n\t * @param providerName - the name of the plugin\n\t */\n\tremovePluggable(providerName: string): void {\n\t\tthis._pluggables = this._pluggables.filter(\n\t\t\tpluggable => pluggable.getProviderName() !== providerName\n\t\t);\n\t}\n\n\tprivate getProviderByName(providerName: string | symbol) {\n\t\tif (providerName === INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER) {\n\t\t\treturn this.awsAppSyncRealTimeProvider;\n\t\t}\n\n\t\treturn this._pluggables.find(\n\t\t\tpluggable => pluggable.getProviderName() === providerName\n\t\t);\n\t}\n\n\tprivate getProviders(options: ProviderOptions = {}) {\n\t\tconst providerName = options.provider;\n\t\tif (!providerName) {\n\t\t\treturn this._pluggables;\n\t\t}\n\n\t\tconst provider = this.getProviderByName(providerName);\n\t\tif (!provider) {\n\t\t\tthrow new Error(`Could not find provider named ${String(providerName)}`);\n\t\t}\n\n\t\treturn [provider];\n\t}\n\n\tasync publish(\n\t\ttopics: string[] | string,\n\t\tmsg: PubSubContent,\n\t\toptions?: ProviderOptions\n\t) {\n\t\treturn Promise.all(\n\t\t\tthis.getProviders(options).map(provider =>\n\t\t\t\tprovider.publish(topics, msg, options)\n\t\t\t)\n\t\t);\n\t}\n\n\tsubscribe(\n\t\ttopics: string[] | string,\n\t\toptions?: ProviderOptions,\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Observable {\n\t\tif (isNode && this._options && this._options.ssr) {\n\t\t\tthrow new Error(\n\t\t\t\t'Subscriptions are not supported for Server-Side Rendering (SSR)'\n\t\t\t);\n\t\t}\n\n\t\tlogger.debug('subscribe options', options);\n\n\t\tconst providers = this.getProviders(options);\n\n\t\tconst pubSubUserAgentDetails: CustomUserAgentDetails = {\n\t\t\tcategory: Category.PubSub,\n\t\t\taction: PubSubAction.Subscribe,\n\t\t\t...customUserAgentDetails,\n\t\t};\n\n\t\treturn new Observable(observer => {\n\t\t\tconst observables = providers.map(provider => ({\n\t\t\t\tprovider,\n\t\t\t\tobservable: provider.subscribe(topics, options, pubSubUserAgentDetails),\n\t\t\t}));\n\n\t\t\tconst subscriptions = observables.map(({ provider, observable }) =>\n\t\t\t\tobservable.subscribe({\n\t\t\t\t\tstart: console.error,\n\t\t\t\t\tnext: (value: PubSubContent) => observer.next({ provider, value }),\n\t\t\t\t\terror: (error: unknown) => observer.error({ provider, error }),\n\t\t\t\t\t// complete: observer.complete, // TODO: when all completed, complete the outer one\n\t\t\t\t})\n\t\t\t);\n\n\t\t\treturn () =>\n\t\t\t\tsubscriptions.forEach(subscription => subscription.unsubscribe());\n\t\t});\n\t}\n}\n\nexport const InternalPubSub = new InternalPubSubClass();\nAmplify.register(InternalPubSub);\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __createBinding(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\n\nimport {\n\tConsoleLogger as Logger,\n\tCredentials,\n\tDateUtils,\n\tSigner,\n} from '@aws-amplify/core';\n\nimport { apiOptions, ApiInfo } from './types';\nimport axios, { CancelTokenSource } from 'axios';\nimport { parse, format } from 'url';\n\nconst logger = new Logger('RestClient');\n\n/**\n* HTTP Client for REST requests. Send and receive JSON data.\n* Sign request with AWS credentials if available\n* Usage:\n
\n*/\nexport class RestClient {\n\tprivate _options;\n\tprivate _region: string = 'us-east-1'; // this will be updated by endpoint function\n\tprivate _service: string = 'execute-api'; // this can be updated by endpoint function\n\tprivate _custom_header = undefined; // this can be updated by endpoint function\n\n\t/**\n\t * This weak map provides functionality to let clients cancel\n\t * in-flight axios requests. https://github.com/axios/axios#cancellation\n\t *\n\t * 1. For every axios request, a unique cancel token is generated and added in the request.\n\t * 2. Promise for fulfilling the request is then mapped to that unique cancel token.\n\t * 3. The promise is returned to the client.\n\t * 4. Clients can either wait for the promise to fulfill or call `API.cancel(promise)` to cancel the request.\n\t * 5. If `API.cancel(promise)` is called, then the corresponding cancel token is retrieved from the map below.\n\t * 6. Promise returned to the client will be in rejected state with the error provided during cancel.\n\t * 7. Clients can check if the error is because of cancelling by calling `API.isCancel(error)`.\n\t *\n\t * For more details, see https://github.com/aws-amplify/amplify-js/pull/3769#issuecomment-552660025\n\t */\n\tprivate _cancelTokenMap: WeakMap = null;\n\n\tCredentials = Credentials;\n\n\t/**\n\t * @param {RestClientOptions} [options] - Instance options\n\t */\n\tconstructor(options: apiOptions) {\n\t\tthis._options = options;\n\t\tlogger.debug('API Options', this._options);\n\t\tif (this._cancelTokenMap == null) {\n\t\t\tthis._cancelTokenMap = new WeakMap();\n\t\t}\n\t}\n\n\t/**\n * Update AWS credentials\n * @param {AWSCredentials} credentials - AWS credentials\n *\n updateCredentials(credentials: AWSCredentials) {\n this.options.credentials = credentials;\n }\n*/\n\t/**\n\t * Basic HTTP request. Customizable\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {string} method - Request HTTP method\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tasync ajax(urlOrApiInfo: string | ApiInfo, method: string, init) {\n\t\tlogger.debug(method, urlOrApiInfo);\n\n\t\tlet parsed_url;\n\t\tlet url: string;\n\t\tlet region: string = 'us-east-1';\n\t\tlet service: string = 'execute-api';\n\t\tlet custom_header: () => {\n\t\t\t[key: string]: string;\n\t\t} = undefined;\n\n\t\tif (typeof urlOrApiInfo === 'string') {\n\t\t\tparsed_url = this._parseUrl(urlOrApiInfo);\n\t\t\turl = urlOrApiInfo;\n\t\t} else {\n\t\t\t({ endpoint: url, custom_header, region, service } = urlOrApiInfo);\n\t\t\tparsed_url = this._parseUrl(urlOrApiInfo.endpoint);\n\t\t}\n\n\t\tconst params = {\n\t\t\tmethod,\n\t\t\turl,\n\t\t\thost: parsed_url.host,\n\t\t\tpath: parsed_url.path,\n\t\t\theaders: {},\n\t\t\tdata: null,\n\t\t\tresponseType: 'json',\n\t\t\ttimeout: 0,\n\t\t\tcancelToken: null,\n\t\t};\n\n\t\tconst libraryHeaders = {};\n\t\tconst initParams = Object.assign({}, init);\n\t\tconst isAllResponse = initParams.response;\n\t\tif (initParams.body) {\n\t\t\tif (\n\t\t\t\ttypeof FormData === 'function' &&\n\t\t\t\tinitParams.body instanceof FormData\n\t\t\t) {\n\t\t\t\tlibraryHeaders['Content-Type'] = 'multipart/form-data';\n\t\t\t\tparams.data = initParams.body;\n\t\t\t} else {\n\t\t\t\tlibraryHeaders['Content-Type'] = 'application/json; charset=UTF-8';\n\t\t\t\tparams.data = JSON.stringify(initParams.body);\n\t\t\t}\n\t\t}\n\t\tif (initParams.responseType) {\n\t\t\tparams.responseType = initParams.responseType;\n\t\t}\n\t\tif (initParams.withCredentials) {\n\t\t\tparams['withCredentials'] = initParams.withCredentials;\n\t\t}\n\t\tif (initParams.timeout) {\n\t\t\tparams.timeout = initParams.timeout;\n\t\t}\n\t\tif (initParams.cancellableToken) {\n\t\t\tparams.cancelToken = initParams.cancellableToken.token;\n\t\t}\n\n\t\tparams['signerServiceInfo'] = initParams.signerServiceInfo;\n\n\t\t// custom_header callback\n\t\tconst custom_header_obj =\n\t\t\ttypeof custom_header === 'function' ? await custom_header() : undefined;\n\n\t\tparams.headers = {\n\t\t\t...libraryHeaders,\n\t\t\t...custom_header_obj,\n\t\t\t...initParams.headers,\n\t\t};\n\n\t\t// Intentionally discarding search\n\t\tconst { search, ...parsedUrl } = parse(url, true, true);\n\t\tparams.url = format({\n\t\t\t...parsedUrl,\n\t\t\tquery: {\n\t\t\t\t...parsedUrl.query,\n\t\t\t\t...(initParams.queryStringParameters || {}),\n\t\t\t},\n\t\t});\n\n\t\t// Do not sign the request if client has added 'Authorization' header,\n\t\t// which means custom authorizer.\n\t\tif (typeof params.headers['Authorization'] !== 'undefined') {\n\t\t\tparams.headers = Object.keys(params.headers).reduce((acc, k) => {\n\t\t\t\tif (params.headers[k]) {\n\t\t\t\t\tacc[k] = params.headers[k];\n\t\t\t\t}\n\t\t\t\treturn acc;\n\t\t\t\t// tslint:disable-next-line:align\n\t\t\t}, {});\n\t\t\treturn this._request(params, isAllResponse);\n\t\t}\n\n\t\tlet credentials;\n\t\ttry {\n\t\t\tcredentials = await this.Credentials.get();\n\t\t} catch (error) {\n\t\t\tlogger.debug('No credentials available, the request will be unsigned');\n\t\t\treturn this._request(params, isAllResponse);\n\t\t}\n\t\tlet signedParams;\n\t\ttry {\n\t\t\tsignedParams = this._sign({ ...params }, credentials, {\n\t\t\t\tregion,\n\t\t\t\tservice,\n\t\t\t});\n\t\t\tconst response = await axios(signedParams);\n\t\t\treturn isAllResponse ? response : response.data;\n\t\t} catch (error) {\n\t\t\tlogger.debug(error);\n\t\t\tif (DateUtils.isClockSkewError(error)) {\n\t\t\t\tconst { headers } = error.response;\n\t\t\t\tconst dateHeader = headers && (headers.date || headers.Date);\n\t\t\t\tconst responseDate = new Date(dateHeader);\n\t\t\t\tconst requestDate = DateUtils.getDateFromHeaderString(\n\t\t\t\t\tsignedParams.headers['x-amz-date']\n\t\t\t\t);\n\n\t\t\t\t// Compare local clock to the server clock\n\t\t\t\tif (DateUtils.isClockSkewed(responseDate)) {\n\t\t\t\t\tDateUtils.setClockOffset(\n\t\t\t\t\t\tresponseDate.getTime() - requestDate.getTime()\n\t\t\t\t\t);\n\n\t\t\t\t\treturn this.ajax(urlOrApiInfo, method, init);\n\t\t\t\t}\n\t\t\t}\n\t\t\tthrow error;\n\t\t}\n\t}\n\n\t/**\n\t * GET HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {JSON} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tget(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'GET', init);\n\t}\n\n\t/**\n\t * PUT HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {json} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tput(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'PUT', init);\n\t}\n\n\t/**\n\t * PATCH HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {json} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpatch(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'PATCH', init);\n\t}\n\n\t/**\n\t * POST HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {json} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpost(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'POST', init);\n\t}\n\n\t/**\n\t * DELETE HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {json} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tdel(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'DELETE', init);\n\t}\n\n\t/**\n\t * HEAD HTTP request\n\t * @param {string | ApiInfo } urlOrApiInfo - Full request URL or Api information\n\t * @param {json} init - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\thead(urlOrApiInfo: string | ApiInfo, init) {\n\t\treturn this.ajax(urlOrApiInfo, 'HEAD', init);\n\t}\n\n\t/**\n\t * Cancel an inflight API request\n\t * @param {Promise} request - The request promise to cancel\n\t * @param {string} [message] - A message to include in the cancelation exception\n\t */\n\tcancel(request: Promise, message?: string) {\n\t\tconst source = this._cancelTokenMap.get(request);\n\t\tif (source) {\n\t\t\tsource.cancel(message);\n\t\t\treturn true;\n\t\t}\n\t\treturn false;\n\t}\n\n\t/**\n\t * Check if the request has a corresponding cancel token in the WeakMap.\n\t * @params request - The request promise\n\t * @return if the request has a corresponding cancel token.\n\t */\n\thasCancelToken(request: Promise) {\n\t\treturn this._cancelTokenMap.has(request);\n\t}\n\n\t/**\n\t * Checks to see if an error thrown is from an api request cancellation\n\t * @param {any} error - Any error\n\t * @return {boolean} - A boolean indicating if the error was from an api request cancellation\n\t */\n\tisCancel(error): boolean {\n\t\treturn axios.isCancel(error);\n\t}\n\n\t/**\n\t * Retrieves a new and unique cancel token which can be\n\t * provided in an axios request to be cancelled later.\n\t */\n\tgetCancellableToken(): CancelTokenSource {\n\t\treturn axios.CancelToken.source();\n\t}\n\n\t/**\n\t * Updates the weakmap with a response promise and its\n\t * cancel token such that the cancel token can be easily\n\t * retrieved (and used for cancelling the request)\n\t */\n\tupdateRequestToBeCancellable(\n\t\tpromise: Promise,\n\t\tcancelTokenSource: CancelTokenSource\n\t) {\n\t\tthis._cancelTokenMap.set(promise, cancelTokenSource);\n\t}\n\n\t/**\n\t * Getting endpoint for API\n\t * @param {string} apiName - The name of the api\n\t * @return {string} - The endpoint of the api\n\t */\n\tendpoint(apiName: string) {\n\t\tconst cloud_logic_array = this._options.endpoints;\n\t\tlet response = '';\n\n\t\tif (!Array.isArray(cloud_logic_array)) {\n\t\t\treturn response;\n\t\t}\n\n\t\tcloud_logic_array.forEach(v => {\n\t\t\tif (v.name === apiName) {\n\t\t\t\tresponse = v.endpoint;\n\t\t\t\tif (typeof v.region === 'string') {\n\t\t\t\t\tthis._region = v.region;\n\t\t\t\t} else if (typeof this._options.region === 'string') {\n\t\t\t\t\tthis._region = this._options.region;\n\t\t\t\t}\n\t\t\t\tif (typeof v.service === 'string') {\n\t\t\t\t\tthis._service = v.service || 'execute-api';\n\t\t\t\t} else {\n\t\t\t\t\tthis._service = 'execute-api';\n\t\t\t\t}\n\t\t\t\tif (typeof v.custom_header === 'function') {\n\t\t\t\t\tthis._custom_header = v.custom_header;\n\t\t\t\t} else {\n\t\t\t\t\tthis._custom_header = undefined;\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t\treturn response;\n\t}\n\n\t/** private methods **/\n\n\tprivate _sign(params, credentials, { service, region }) {\n\t\tconst { signerServiceInfo: signerServiceInfoParams, ...otherParams } =\n\t\t\tparams;\n\n\t\tconst endpoint_region: string =\n\t\t\tregion || this._region || this._options.region;\n\t\tconst endpoint_service: string =\n\t\t\tservice || this._service || this._options.service;\n\n\t\tconst creds = {\n\t\t\tsecret_key: credentials.secretAccessKey,\n\t\t\taccess_key: credentials.accessKeyId,\n\t\t\tsession_token: credentials.sessionToken,\n\t\t};\n\n\t\tconst endpointInfo = {\n\t\t\tregion: endpoint_region,\n\t\t\tservice: endpoint_service,\n\t\t};\n\n\t\tconst signerServiceInfo = Object.assign(\n\t\t\tendpointInfo,\n\t\t\tsignerServiceInfoParams\n\t\t);\n\n\t\tconst signed_params = Signer.sign(otherParams, creds, signerServiceInfo);\n\n\t\tif (signed_params.data) {\n\t\t\tsigned_params.body = signed_params.data;\n\t\t}\n\n\t\tlogger.debug('Signed Request: ', signed_params);\n\n\t\tdelete signed_params.headers['host'];\n\n\t\treturn signed_params;\n\t}\n\n\tprivate _request(params, isAllResponse = false) {\n\t\treturn axios(params)\n\t\t\t.then(response => (isAllResponse ? response : response.data))\n\t\t\t.catch(error => {\n\t\t\t\tlogger.debug(error);\n\t\t\t\tthrow error;\n\t\t\t});\n\t}\n\n\tprivate _parseUrl(url) {\n\t\tconst parts = url.split('/');\n\n\t\treturn {\n\t\t\thost: parts[2],\n\t\t\tpath: '/' + parts.slice(3).join('/'),\n\t\t};\n\t}\n}\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport {\n\tDocumentNode,\n\tOperationDefinitionNode,\n\tprint,\n\tparse,\n\tGraphQLError,\n\tOperationTypeNode,\n} from 'graphql';\nimport Observable from 'zen-observable-ts';\nimport {\n\tAmplify,\n\tConsoleLogger as Logger,\n\tCredentials,\n\tCustomUserAgentDetails,\n\tgetAmplifyUserAgent,\n\tINTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER,\n} from '@aws-amplify/core';\nimport { InternalPubSub } from '@aws-amplify/pubsub/internals';\nimport { Auth } from '@aws-amplify/auth';\nimport { Cache } from '@aws-amplify/cache';\nimport {\n\tGraphQLAuthError,\n\tGraphQLOptions,\n\tGraphQLResult,\n\tGraphQLOperation,\n} from '../types';\nimport { RestClient } from '@aws-amplify/api-rest';\nconst USER_AGENT_HEADER = 'x-amz-user-agent';\n\nconst logger = new Logger('GraphQLAPI');\n\nexport const graphqlOperation = (\n\tquery,\n\tvariables = {},\n\tauthToken?: string\n) => ({\n\tquery,\n\tvariables,\n\tauthToken,\n});\n\n/**\n * Export Cloud Logic APIs\n */\nexport class InternalGraphQLAPIClass {\n\t/**\n\t * @private\n\t */\n\tprivate _options;\n\tprivate _api = null;\n\n\tAuth = Auth;\n\tCache = Cache;\n\tCredentials = Credentials;\n\n\t/**\n\t * Initialize GraphQL API with AWS configuration\n\t * @param {Object} options - Configuration object for API\n\t */\n\tconstructor(options) {\n\t\tthis._options = options;\n\t\tlogger.debug('API Options', this._options);\n\t}\n\n\tpublic getModuleName() {\n\t\treturn 'InternalGraphQLAPI';\n\t}\n\n\t/**\n\t * Configure API\n\t * @param {Object} config - Configuration of the API\n\t * @return {Object} - The current configuration\n\t */\n\tconfigure(options) {\n\t\tconst { API = {}, ...otherOptions } = options || {};\n\t\tlet opt = { ...otherOptions, ...API };\n\t\tlogger.debug('configure GraphQL API', { opt });\n\n\t\tif (opt['aws_project_region']) {\n\t\t\topt = Object.assign({}, opt, {\n\t\t\t\tregion: opt['aws_project_region'],\n\t\t\t\theader: {},\n\t\t\t});\n\t\t}\n\n\t\tif (\n\t\t\ttypeof opt.graphql_headers !== 'undefined' &&\n\t\t\ttypeof opt.graphql_headers !== 'function'\n\t\t) {\n\t\t\tlogger.warn('graphql_headers should be a function');\n\t\t\topt.graphql_headers = undefined;\n\t\t}\n\n\t\tthis._options = Object.assign({}, this._options, opt);\n\n\t\tthis.createInstance();\n\n\t\treturn this._options;\n\t}\n\n\t/**\n\t * Create an instance of API for the library\n\t * @return - A promise of true if Success\n\t */\n\tcreateInstance() {\n\t\tlogger.debug('create Rest instance');\n\t\tif (this._options) {\n\t\t\tthis._api = new RestClient(this._options);\n\t\t\t// Share instance Credentials with client for SSR\n\t\t\tthis._api.Credentials = this.Credentials;\n\n\t\t\treturn true;\n\t\t} else {\n\t\t\treturn Promise.reject('API not configured');\n\t\t}\n\t}\n\n\tprivate async _headerBasedAuth(\n\t\tdefaultAuthenticationType?,\n\t\tadditionalHeaders: { [key: string]: string } = {}\n\t) {\n\t\tconst { aws_appsync_authenticationType, aws_appsync_apiKey: apiKey } =\n\t\t\tthis._options;\n\t\tconst authenticationType =\n\t\t\tdefaultAuthenticationType || aws_appsync_authenticationType || 'AWS_IAM';\n\t\tlet headers = {};\n\n\t\tswitch (authenticationType) {\n\t\t\tcase 'API_KEY':\n\t\t\t\tif (!apiKey) {\n\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_API_KEY);\n\t\t\t\t}\n\t\t\t\theaders = {\n\t\t\t\t\tAuthorization: null,\n\t\t\t\t\t'X-Api-Key': apiKey,\n\t\t\t\t};\n\t\t\t\tbreak;\n\t\t\tcase 'AWS_IAM':\n\t\t\t\tconst credentialsOK = await this._ensureCredentials();\n\t\t\t\tif (!credentialsOK) {\n\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_CREDENTIALS);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'OPENID_CONNECT':\n\t\t\t\ttry {\n\t\t\t\t\tlet token;\n\t\t\t\t\t// backwards compatibility\n\t\t\t\t\tconst federatedInfo = await Cache.getItem('federatedInfo');\n\t\t\t\t\tif (federatedInfo) {\n\t\t\t\t\t\ttoken = federatedInfo.token;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tconst currentUser = await Auth.currentAuthenticatedUser();\n\t\t\t\t\t\tif (currentUser) {\n\t\t\t\t\t\t\ttoken = currentUser.token;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif (!token) {\n\t\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_FEDERATED_JWT);\n\t\t\t\t\t}\n\t\t\t\t\theaders = {\n\t\t\t\t\t\tAuthorization: token,\n\t\t\t\t\t};\n\t\t\t\t} catch (e) {\n\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_CURRENT_USER);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'AMAZON_COGNITO_USER_POOLS':\n\t\t\t\ttry {\n\t\t\t\t\tconst session = await this.Auth.currentSession();\n\t\t\t\t\theaders = {\n\t\t\t\t\t\tAuthorization: session.getAccessToken().getJwtToken(),\n\t\t\t\t\t};\n\t\t\t\t} catch (e) {\n\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_CURRENT_USER);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'AWS_LAMBDA':\n\t\t\t\tif (!additionalHeaders.Authorization) {\n\t\t\t\t\tthrow new Error(GraphQLAuthError.NO_AUTH_TOKEN);\n\t\t\t\t}\n\t\t\t\theaders = {\n\t\t\t\t\tAuthorization: additionalHeaders.Authorization,\n\t\t\t\t};\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\theaders = {\n\t\t\t\t\tAuthorization: null,\n\t\t\t\t};\n\t\t\t\tbreak;\n\t\t}\n\n\t\treturn headers;\n\t}\n\n\t/**\n\t * to get the operation type\n\t * @param operation\n\t */\n\tgetGraphqlOperationType(operation: GraphQLOperation): OperationTypeNode {\n\t\tconst doc = parse(operation);\n\t\tconst definitions =\n\t\t\tdoc.definitions as ReadonlyArray;\n\t\tconst [{ operation: operationType }] = definitions;\n\n\t\treturn operationType;\n\t}\n\n\t/**\n\t * Executes a GraphQL operation\n\t *\n\t * @param options - GraphQL Options\n\t * @param [additionalHeaders] - headers to merge in after any `graphql_headers` set in the config\n\t * @returns An Observable if the query is a subscription query, else a promise of the graphql result.\n\t */\n\tgraphql(\n\t\t{ query: paramQuery, variables = {}, authMode, authToken }: GraphQLOptions,\n\t\tadditionalHeaders?: { [key: string]: string },\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Observable> | Promise> {\n\t\tconst query =\n\t\t\ttypeof paramQuery === 'string'\n\t\t\t\t? parse(paramQuery)\n\t\t\t\t: parse(print(paramQuery));\n\n\t\tconst [operationDef = {}] = query.definitions.filter(\n\t\t\tdef => def.kind === 'OperationDefinition'\n\t\t);\n\t\tconst { operation: operationType } =\n\t\t\toperationDef as OperationDefinitionNode;\n\n\t\tconst headers = additionalHeaders || {};\n\n\t\t// if an authorization header is set, have the explicit authToken take precedence\n\t\tif (authToken) {\n\t\t\theaders.Authorization = authToken;\n\t\t}\n\n\t\tswitch (operationType) {\n\t\t\tcase 'query':\n\t\t\tcase 'mutation':\n\t\t\t\tthis.createInstanceIfNotCreated();\n\t\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\t\t\t\tconst initParams = {\n\t\t\t\t\tcancellableToken,\n\t\t\t\t\twithCredentials: this._options.withCredentials,\n\t\t\t\t};\n\t\t\t\tconst responsePromise = this._graphql(\n\t\t\t\t\t{ query, variables, authMode },\n\t\t\t\t\theaders,\n\t\t\t\t\tinitParams,\n\t\t\t\t\tcustomUserAgentDetails\n\t\t\t\t);\n\t\t\t\tthis._api.updateRequestToBeCancellable(\n\t\t\t\t\tresponsePromise,\n\t\t\t\t\tcancellableToken\n\t\t\t\t);\n\t\t\t\treturn responsePromise;\n\t\t\tcase 'subscription':\n\t\t\t\treturn this._graphqlSubscribe(\n\t\t\t\t\t{ query, variables, authMode },\n\t\t\t\t\theaders,\n\t\t\t\t\tcustomUserAgentDetails\n\t\t\t\t);\n\t\t\tdefault:\n\t\t\t\tthrow new Error(`invalid operation type: ${operationType}`);\n\t\t}\n\t}\n\n\tprivate async _graphql(\n\t\t{ query, variables, authMode }: GraphQLOptions,\n\t\tadditionalHeaders = {},\n\t\tinitParams = {},\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Promise> {\n\t\tthis.createInstanceIfNotCreated();\n\t\tconst {\n\t\t\taws_appsync_region: region,\n\t\t\taws_appsync_graphqlEndpoint: appSyncGraphqlEndpoint,\n\t\t\tgraphql_headers = () => ({}),\n\t\t\tgraphql_endpoint: customGraphqlEndpoint,\n\t\t\tgraphql_endpoint_iam_region: customEndpointRegion,\n\t\t} = this._options;\n\n\t\tconst headers = {\n\t\t\t...(!customGraphqlEndpoint &&\n\t\t\t\t(await this._headerBasedAuth(authMode, additionalHeaders))),\n\t\t\t...(customGraphqlEndpoint &&\n\t\t\t\t(customEndpointRegion\n\t\t\t\t\t? await this._headerBasedAuth(authMode, additionalHeaders)\n\t\t\t\t\t: { Authorization: null })),\n\t\t\t...(await graphql_headers({ query, variables })),\n\t\t\t...additionalHeaders,\n\t\t\t...(!customGraphqlEndpoint && {\n\t\t\t\t[USER_AGENT_HEADER]: getAmplifyUserAgent(customUserAgentDetails),\n\t\t\t}),\n\t\t};\n\n\t\tconst body = {\n\t\t\tquery: print(query as DocumentNode),\n\t\t\tvariables,\n\t\t};\n\n\t\tconst init = Object.assign(\n\t\t\t{\n\t\t\t\theaders,\n\t\t\t\tbody,\n\t\t\t\tsignerServiceInfo: {\n\t\t\t\t\tservice: !customGraphqlEndpoint ? 'appsync' : 'execute-api',\n\t\t\t\t\tregion: !customGraphqlEndpoint ? region : customEndpointRegion,\n\t\t\t\t},\n\t\t\t},\n\t\t\tinitParams\n\t\t);\n\n\t\tconst endpoint = customGraphqlEndpoint || appSyncGraphqlEndpoint;\n\n\t\tif (!endpoint) {\n\t\t\tconst error = new GraphQLError('No graphql endpoint provided.');\n\n\t\t\tthrow {\n\t\t\t\tdata: {},\n\t\t\t\terrors: [error],\n\t\t\t};\n\t\t}\n\n\t\tlet response;\n\t\ttry {\n\t\t\tresponse = await this._api.post(endpoint, init);\n\t\t} catch (err) {\n\t\t\t// If the exception is because user intentionally\n\t\t\t// cancelled the request, do not modify the exception\n\t\t\t// so that clients can identify the exception correctly.\n\t\t\tif (this._api.isCancel(err)) {\n\t\t\t\tthrow err;\n\t\t\t}\n\t\t\tresponse = {\n\t\t\t\tdata: {},\n\t\t\t\terrors: [new GraphQLError(err.message, null, null, null, null, err)],\n\t\t\t};\n\t\t}\n\n\t\tconst { errors } = response;\n\n\t\tif (errors && errors.length) {\n\t\t\tthrow response;\n\t\t}\n\n\t\treturn response;\n\t}\n\n\tasync createInstanceIfNotCreated() {\n\t\tif (!this._api) {\n\t\t\tawait this.createInstance();\n\t\t}\n\t}\n\n\t/**\n\t * Checks to see if an error thrown is from an api request cancellation\n\t * @param {any} error - Any error\n\t * @return {boolean} - A boolean indicating if the error was from an api request cancellation\n\t */\n\tisCancel(error) {\n\t\treturn this._api.isCancel(error);\n\t}\n\n\t/**\n\t * Cancels an inflight request. Only applicable for graphql queries and mutations\n\t * @param {any} request - request to cancel\n\t * @return {boolean} - A boolean indicating if the request was cancelled\n\t */\n\tcancel(request: Promise, message?: string) {\n\t\treturn this._api.cancel(request, message);\n\t}\n\n\t/**\n\t * Check if the request has a corresponding cancel token in the WeakMap.\n\t * @params request - The request promise\n\t * @return if the request has a corresponding cancel token.\n\t */\n\thasCancelToken(request: Promise) {\n\t\treturn this._api.hasCancelToken(request);\n\t}\n\n\tprivate _graphqlSubscribe(\n\t\t{\n\t\t\tquery,\n\t\t\tvariables,\n\t\t\tauthMode: defaultAuthenticationType,\n\t\t\tauthToken,\n\t\t}: GraphQLOptions,\n\t\tadditionalHeaders = {},\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): Observable {\n\t\tconst {\n\t\t\taws_appsync_region: region,\n\t\t\taws_appsync_graphqlEndpoint: appSyncGraphqlEndpoint,\n\t\t\taws_appsync_authenticationType,\n\t\t\taws_appsync_apiKey: apiKey,\n\t\t\tgraphql_headers = () => ({}),\n\t\t} = this._options;\n\t\tconst authenticationType =\n\t\t\tdefaultAuthenticationType || aws_appsync_authenticationType || 'AWS_IAM';\n\n\t\tif (InternalPubSub && typeof InternalPubSub.subscribe === 'function') {\n\t\t\treturn InternalPubSub.subscribe(\n\t\t\t\t'',\n\t\t\t\t{\n\t\t\t\t\tprovider: INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER,\n\t\t\t\t\tappSyncGraphqlEndpoint,\n\t\t\t\t\tauthenticationType,\n\t\t\t\t\tapiKey,\n\t\t\t\t\tquery: print(query as DocumentNode),\n\t\t\t\t\tregion,\n\t\t\t\t\tvariables,\n\t\t\t\t\tgraphql_headers,\n\t\t\t\t\tadditionalHeaders,\n\t\t\t\t\tauthToken,\n\t\t\t\t},\n\t\t\t\tcustomUserAgentDetails\n\t\t\t);\n\t\t} else {\n\t\t\tlogger.debug('No pubsub module applied for subscription');\n\t\t\tthrow new Error('No pubsub module applied for subscription');\n\t\t}\n\t}\n\n\t/**\n\t * @private\n\t */\n\t_ensureCredentials() {\n\t\treturn this.Credentials.get()\n\t\t\t.then(credentials => {\n\t\t\t\tif (!credentials) return false;\n\t\t\t\tconst cred = this.Credentials.shear(credentials);\n\t\t\t\tlogger.debug('set credentials for api', cred);\n\n\t\t\t\treturn true;\n\t\t\t})\n\t\t\t.catch(err => {\n\t\t\t\tlogger.warn('ensure credentials error', err);\n\t\t\t\treturn false;\n\t\t\t});\n\t}\n}\n\nexport const InternalGraphQLAPI = new InternalGraphQLAPIClass(null);\nAmplify.register(InternalGraphQLAPI);\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { RestClient } from './RestClient';\nimport {\n\tAmplify,\n\tConsoleLogger as Logger,\n\tCredentials,\n} from '@aws-amplify/core';\nimport { ApiInfo } from './types';\n\nconst logger = new Logger('RestAPI');\n\n/**\n * Export Cloud Logic APIs\n */\nexport class RestAPIClass {\n\t/**\n\t * @private\n\t */\n\tprivate _options;\n\tprivate _api: RestClient = null;\n\n\tCredentials = Credentials;\n\n\t/**\n\t * Initialize Rest API with AWS configuration\n\t * @param {Object} options - Configuration object for API\n\t */\n\tconstructor(options) {\n\t\tthis._options = options;\n\t\tlogger.debug('API Options', this._options);\n\t}\n\n\tpublic getModuleName() {\n\t\treturn 'RestAPI';\n\t}\n\n\t/**\n\t * Configure API part with aws configurations\n\t * @param {Object} config - Configuration of the API\n\t * @return {Object} - The current configuration\n\t */\n\tconfigure(options) {\n\t\tconst { API = {}, ...otherOptions } = options || {};\n\t\tlet opt = { ...otherOptions, ...API };\n\t\tlogger.debug('configure Rest API', { opt });\n\n\t\tif (opt['aws_project_region']) {\n\t\t\tif (opt['aws_cloud_logic_custom']) {\n\t\t\t\tconst custom = opt['aws_cloud_logic_custom'];\n\t\t\t\topt.endpoints =\n\t\t\t\t\ttypeof custom === 'string' ? JSON.parse(custom) : custom;\n\t\t\t}\n\n\t\t\topt = Object.assign({}, opt, {\n\t\t\t\tregion: opt['aws_project_region'],\n\t\t\t\theader: {},\n\t\t\t});\n\t\t}\n\n\t\tif (Array.isArray(opt.endpoints)) {\n\t\t\t// Check if endpoints has custom_headers and validate if is a function\n\t\t\topt.endpoints.forEach(endpoint => {\n\t\t\t\tif (\n\t\t\t\t\ttypeof endpoint.custom_header !== 'undefined' &&\n\t\t\t\t\ttypeof endpoint.custom_header !== 'function'\n\t\t\t\t) {\n\t\t\t\t\tlogger.warn(\n\t\t\t\t\t\t'Rest API ' + endpoint.name + ', custom_header should be a function'\n\t\t\t\t\t);\n\t\t\t\t\tendpoint.custom_header = undefined;\n\t\t\t\t}\n\t\t\t});\n\t\t} else if (this._options && Array.isArray(this._options.endpoints)) {\n\t\t\topt.endpoints = this._options.endpoints;\n\t\t} else {\n\t\t\topt.endpoints = [];\n\t\t}\n\n\t\tthis._options = Object.assign({}, this._options, opt);\n\n\t\tthis.createInstance();\n\n\t\treturn this._options;\n\t}\n\n\t/**\n\t * Create an instance of API for the library\n\t * @return - A promise of true if Success\n\t */\n\tcreateInstance() {\n\t\tlogger.debug('create Rest API instance');\n\t\tthis._api = new RestClient(this._options);\n\n\t\t// Share Amplify instance with client for SSR\n\t\tthis._api.Credentials = this.Credentials;\n\t\treturn true;\n\t}\n\n\t/**\n\t * Make a GET request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tget(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.get(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Make a POST request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpost(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.post(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Make a PUT request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tput(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.put(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Make a PATCH request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpatch(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.patch(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Make a DEL request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tdel(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.del(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Make a HEAD request\n\t * @param {string} apiName - The api name of the request\n\t * @param {string} path - The path of the request\n\t * @param {json} [init] - Request extra params\n\t * @return {Promise} - A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\thead(apiName, path, init): Promise {\n\t\ttry {\n\t\t\tconst apiInfo = this.getEndpointInfo(apiName, path);\n\n\t\t\tconst cancellableToken = this._api.getCancellableToken();\n\n\t\t\tconst initParams = Object.assign({}, init);\n\t\t\tinitParams.cancellableToken = cancellableToken;\n\n\t\t\tconst responsePromise = this._api.head(apiInfo, initParams);\n\n\t\t\tthis._api.updateRequestToBeCancellable(responsePromise, cancellableToken);\n\n\t\t\treturn responsePromise;\n\t\t} catch (err) {\n\t\t\treturn Promise.reject(err.message);\n\t\t}\n\t}\n\n\t/**\n\t * Checks to see if an error thrown is from an api request cancellation\n\t * @param {any} error - Any error\n\t * @return {boolean} - A boolean indicating if the error was from an api request cancellation\n\t */\n\tisCancel(error) {\n\t\treturn this._api.isCancel(error);\n\t}\n\n\t/**\n\t * Cancels an inflight request\n\t * @param {any} request - request to cancel\n\t * @return {boolean} - A boolean indicating if the request was cancelled\n\t */\n\tcancel(request: Promise, message?: string) {\n\t\treturn this._api.cancel(request, message);\n\t}\n\n\t/**\n\t * Check if the request has a corresponding cancel token in the WeakMap.\n\t * @params request - The request promise\n\t * @return if the request has a corresponding cancel token.\n\t */\n\thasCancelToken(request: Promise) {\n\t\treturn this._api.hasCancelToken(request);\n\t}\n\n\t/**\n\t * Getting endpoint for API\n\t * @param {string} apiName - The name of the api\n\t * @return {string} - The endpoint of the api\n\t */\n\tasync endpoint(apiName) {\n\t\treturn this._api.endpoint(apiName);\n\t}\n\n\t/**\n\t * Getting endpoint info for API\n\t * @param {string} apiName - The name of the api\n\t * @param {string} path - The path of the api that is going to accessed\n\t * @return {ApiInfo} - The endpoint information for that api-name\n\t */\n\tprivate getEndpointInfo(apiName: string, path: string): ApiInfo {\n\t\tconst cloud_logic_array = this._options.endpoints;\n\n\t\tif (!Array.isArray(cloud_logic_array)) {\n\t\t\tthrow new Error(`API category not configured`);\n\t\t}\n\n\t\tconst apiConfig = cloud_logic_array.find(api => api.name === apiName);\n\n\t\tif (!apiConfig) {\n\t\t\tthrow new Error(`API ${apiName} does not exist`);\n\t\t}\n\n\t\tconst response: ApiInfo = {\n\t\t\tendpoint: apiConfig.endpoint + path,\n\t\t};\n\n\t\tif (typeof apiConfig.region === 'string') {\n\t\t\tresponse.region = apiConfig.region;\n\t\t} else if (typeof this._options.region === 'string') {\n\t\t\tresponse.region = this._options.region;\n\t\t}\n\n\t\tif (typeof apiConfig.service === 'string') {\n\t\t\tresponse.service = apiConfig.service || 'execute-api';\n\t\t} else {\n\t\t\tresponse.service = 'execute-api';\n\t\t}\n\n\t\tif (typeof apiConfig.custom_header === 'function') {\n\t\t\tresponse.custom_header = apiConfig.custom_header;\n\t\t} else {\n\t\t\tresponse.custom_header = undefined;\n\t\t}\n\n\t\treturn response;\n\t}\n}\n\nexport const RestAPI = new RestAPIClass(null);\nAmplify.register(RestAPI);\n","// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport {\n\tGraphQLOperation,\n\tGraphQLOptions,\n\tGraphQLResult,\n\tOperationTypeNode,\n} from '@aws-amplify/api-graphql';\nimport { InternalGraphQLAPIClass } from '@aws-amplify/api-graphql/internals';\nimport { RestAPIClass } from '@aws-amplify/api-rest';\nimport { Auth } from '@aws-amplify/auth';\nimport { Cache } from '@aws-amplify/cache';\nimport {\n\tAmplify,\n\tApiAction,\n\tCategory,\n\tCredentials,\n\tCustomUserAgentDetails,\n\tConsoleLogger as Logger,\n} from '@aws-amplify/core';\nimport { AWSAppSyncRealTimeProvider } from '@aws-amplify/pubsub';\nimport Observable from 'zen-observable-ts';\nimport { GraphQLQuery, GraphQLSubscription } from '../types';\n\nconst logger = new Logger('API');\n/**\n * @deprecated\n * Use RestApi or GraphQLAPI to reduce your application bundle size\n * Export Cloud Logic APIs\n */\nexport class InternalAPIClass {\n\t/**\n\t * Initialize API with AWS configuration\n\t * @param {Object} options - Configuration object for API\n\t */\n\tprivate _options;\n\tprivate _restApi: RestAPIClass;\n\tprivate _graphqlApi: InternalGraphQLAPIClass;\n\n\tAuth = Auth;\n\tCache = Cache;\n\tCredentials = Credentials;\n\n\t/**\n\t * Initialize API with AWS configuration\n\t * @param {Object} options - Configuration object for API\n\t */\n\tconstructor(options) {\n\t\tthis._options = options;\n\t\tthis._restApi = new RestAPIClass(options);\n\t\tthis._graphqlApi = new InternalGraphQLAPIClass(options);\n\t\tlogger.debug('API Options', this._options);\n\t}\n\n\tpublic getModuleName() {\n\t\treturn 'InternalAPI';\n\t}\n\n\t/**\n\t * Configure API part with aws configurations\n\t * @param {Object} config - Configuration of the API\n\t * @return {Object} - The current configuration\n\t */\n\tconfigure(options) {\n\t\tthis._options = Object.assign({}, this._options, options);\n\n\t\t// Share Amplify instance with client for SSR\n\t\tthis._restApi.Credentials = this.Credentials;\n\n\t\tthis._graphqlApi.Auth = this.Auth;\n\t\tthis._graphqlApi.Cache = this.Cache;\n\t\tthis._graphqlApi.Credentials = this.Credentials;\n\n\t\tconst restAPIConfig = this._restApi.configure(this._options);\n\t\tconst graphQLAPIConfig = this._graphqlApi.configure(this._options);\n\n\t\treturn { ...restAPIConfig, ...graphQLAPIConfig };\n\t}\n\n\t/**\n\t * Make a GET request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tget(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.get(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Get)\n\t\t);\n\t}\n\n\t/**\n\t * Make a POST request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpost(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.post(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Post)\n\t\t);\n\t}\n\n\t/**\n\t * Make a PUT request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tput(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.put(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Put)\n\t\t);\n\t}\n\n\t/**\n\t * Make a PATCH request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tpatch(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.patch(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Patch)\n\t\t);\n\t}\n\n\t/**\n\t * Make a DEL request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\tdel(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.del(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Del)\n\t\t);\n\t}\n\n\t/**\n\t * Make a HEAD request\n\t * @param apiName - The api name of the request\n\t * @param path - The path of the request\n\t * @param [init] - Request extra params\n\t * @return A promise that resolves to an object with response status and JSON data, if successful.\n\t */\n\thead(\n\t\tapiName: string,\n\t\tpath: string,\n\t\tinit: { [key: string]: any }\n\t): Promise {\n\t\treturn this._restApi.head(\n\t\t\tapiName,\n\t\t\tpath,\n\t\t\tthis.getInitWithCustomUserAgentDetails(init, ApiAction.Head)\n\t\t);\n\t}\n\n\t/**\n\t * Checks to see if an error thrown is from an api request cancellation\n\t * @param error - Any error\n\t * @return If the error was from an api request cancellation\n\t */\n\tisCancel(error: any): boolean {\n\t\treturn this._restApi.isCancel(error);\n\t}\n\t/**\n\t * Cancels an inflight request for either a GraphQL request or a Rest API request.\n\t * @param request - request to cancel\n\t * @param [message] - custom error message\n\t * @return If the request was cancelled\n\t */\n\tcancel(request: Promise, message?: string): boolean {\n\t\tif (this._restApi.hasCancelToken(request)) {\n\t\t\treturn this._restApi.cancel(request, message);\n\t\t} else if (this._graphqlApi.hasCancelToken(request)) {\n\t\t\treturn this._graphqlApi.cancel(request, message);\n\t\t}\n\t\treturn false;\n\t}\n\n\tprivate getInitWithCustomUserAgentDetails(\n\t\tinit: { [key: string]: any },\n\t\taction: ApiAction\n\t) {\n\t\tconst customUserAgentDetails: CustomUserAgentDetails = {\n\t\t\tcategory: Category.API,\n\t\t\taction,\n\t\t};\n\t\tconst initParams = { ...init, customUserAgentDetails };\n\t\treturn initParams;\n\t}\n\n\t/**\n\t * Getting endpoint for API\n\t * @param apiName - The name of the api\n\t * @return The endpoint of the api\n\t */\n\tasync endpoint(apiName: string): Promise {\n\t\treturn this._restApi.endpoint(apiName);\n\t}\n\n\t/**\n\t * to get the operation type\n\t * @param operation\n\t */\n\tgetGraphqlOperationType(operation: GraphQLOperation): OperationTypeNode {\n\t\treturn this._graphqlApi.getGraphqlOperationType(operation);\n\t}\n\n\t/**\n\t * Executes a GraphQL operation\n\t *\n\t * @param options - GraphQL Options\n\t * @param [additionalHeaders] - headers to merge in after any `graphql_headers` set in the config\n\t * @returns An Observable if queryType is 'subscription', else a promise of the graphql result from the query.\n\t */\n\tgraphql(\n\t\toptions: GraphQLOptions,\n\t\tadditionalHeaders?: { [key: string]: string },\n\t\tcustomUserAgentDetails?: CustomUserAgentDetails\n\t): T extends GraphQLQuery\n\t\t? Promise>\n\t\t: T extends GraphQLSubscription\n\t\t? Observable<{\n\t\t\t\tprovider: AWSAppSyncRealTimeProvider;\n\t\t\t\tvalue: GraphQLResult;\n\t\t }>\n\t\t: Promise> | Observable