| 1 | {"version":3,"file":"persisted-queries.cjs","sources":["index.js"],"sourcesContent":["import { __assign } from \"tslib\";\nimport { invariant } from '../../utilities/globals';\nimport { print } from 'graphql';\nimport { ApolloLink } from '../core';\nimport { Observable, compact, isNonEmptyArray, } from '../../utilities';\nexport var VERSION = 1;\nexport var PersistedQueryLink;\n(function (PersistedQueryLink) {\n ;\n ;\n ;\n})(PersistedQueryLink || (PersistedQueryLink = {}));\nfunction collectErrorsByMessage(graphQLErrors) {\n var collected = Object.create(null);\n if (isNonEmptyArray(graphQLErrors)) {\n graphQLErrors.forEach(function (error) { return collected[error.message] = error; });\n }\n return collected;\n}\nvar defaultOptions = {\n disable: function (_a) {\n var graphQLErrors = _a.graphQLErrors, operation = _a.operation;\n var errorMessages = collectErrorsByMessage(graphQLErrors);\n if (errorMessages.PersistedQueryNotSupported) {\n return true;\n }\n if (errorMessages.PersistedQueryNotFound) {\n return false;\n }\n var response = operation.getContext().response;\n if (response &&\n response.status &&\n (response.status === 400 || response.status === 500)) {\n return true;\n }\n return false;\n },\n useGETForHashedQueries: false,\n};\nfunction operationDefinesMutation(operation) {\n return operation.query.definitions.some(function (d) { return d.kind === 'OperationDefinition' && d.operation === 'mutation'; });\n}\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar hashesByQuery = new WeakMap();\nvar nextHashesChildKey = 0;\nexport var createPersistedQueryLink = function (options) {\n __DEV__ ? invariant(options && (typeof options.sha256 === 'function' ||\n typeof options.generateHash === 'function'), 'Missing/invalid \"sha256\" or \"generateHash\" function. Please ' +\n 'configure one using the \"createPersistedQueryLink(options)\" options ' +\n 'parameter.') : invariant(options && (typeof options.sha256 === 'function' ||\n typeof options.generateHash === 'function'), 22);\n var _a = compact(defaultOptions, options), sha256 = _a.sha256, _b = _a.generateHash, generateHash = _b === void 0 ? function (query) {\n return Promise.resolve(sha256(print(query)));\n } : _b, disable = _a.disable, useGETForHashedQueries = _a.useGETForHashedQueries;\n var supportsPersistedQueries = true;\n var hashesChildKey = 'forLink' + nextHashesChildKey++;\n var getHashPromise = function (query) {\n return new Promise(function (resolve) { return resolve(generateHash(query)); });\n };\n function getQueryHash(query) {\n if (!query || typeof query !== 'object') {\n return getHashPromise(query);\n }\n var hashes = hashesByQuery.get(query);\n if (!hashes)\n hashesByQuery.set(query, hashes = Object.create(null));\n return hasOwnProperty.call(hashes, hashesChildKey)\n ? hashes[hashesChildKey]\n : hashes[hashesChildKey] = getHashPromise(query);\n }\n return new ApolloLink(function (operation, forward) {\n __DEV__ ? invariant(forward, 'PersistedQueryLink cannot be the last link in the chain.') : invariant(forward, 23);\n var query = operation.query;\n return new Observable(function (observer) {\n var subscription;\n var retried = false;\n var originalFetchOptions;\n var setFetchOptions = false;\n var retry = function (_a, cb) {\n var response = _a.response, networkError = _a.networkError;\n if (!retried && ((response && response.errors) || networkError)) {\n retried = true;\n var graphQLErrors = [];\n var responseErrors = response && response.errors;\n if (isNonEmptyArray(responseErrors)) {\n graphQLErrors.push.apply(graphQLErrors, responseErrors);\n }\n var networkErrors = networkError &&\n networkError.result &&\n networkError.result.errors;\n if (isNonEmptyArray(networkErrors)) {\n graphQLErrors.push.apply(graphQLErrors, networkErrors);\n }\n var disablePayload = {\n response: response,\n networkError: networkError,\n operation: operation,\n graphQLErrors: isNonEmptyArray(graphQLErrors) ? graphQLErrors : void 0,\n };\n supportsPersistedQueries = !disable(disablePayload);\n if (collectErrorsByMessage(graphQLErrors).PersistedQueryNotFound ||\n !supportsPersistedQueries) {\n if (subscription)\n subscription.unsubscribe();\n operation.setContext({\n http: {\n includeQuery: true,\n includeExtensions: supportsPersistedQueries,\n },\n fetchOptions: {\n method: 'POST',\n },\n });\n if (setFetchOptions) {\n operation.setContext({ fetchOptions: originalFetchOptions });\n }\n subscription = forward(operation).subscribe(handler);\n return;\n }\n }\n cb();\n };\n var handler = {\n next: function (response) {\n retry({ response: response }, function () { return observer.next(response); });\n },\n error: function (networkError) {\n retry({ networkError: networkError }, function () { return observer.error(networkError); });\n },\n complete: observer.complete.bind(observer),\n };\n operation.setContext({\n http: {\n includeQuery: !supportsPersistedQueries,\n includeExtensions: supportsPersistedQueries,\n },\n });\n if (useGETForHashedQueries &&\n supportsPersistedQueries &&\n !operationDefinesMutation(operation)) {\n operation.setContext(function (_a) {\n var _b = _a.fetchOptions, fetchOptions = _b === void 0 ? {} : _b;\n originalFetchOptions = fetchOptions;\n return {\n fetchOptions: __assign(__assign({}, fetchOptions), { method: 'GET' }),\n };\n });\n setFetchOptions = true;\n }\n if (supportsPersistedQueries) {\n getQueryHash(query).then(function (sha256Hash) {\n operation.extensions.persistedQuery = {\n version: VERSION,\n sha256Hash: sha256Hash,\n };\n subscription = forward(operation).subscribe(handler);\n }).catch(observer.error.bind(observer));\n ;\n }\n else {\n subscription = forward(operation).subscribe(handler);\n }\n return function () {\n if (subscription)\n subscription.unsubscribe();\n };\n });\n });\n};\n//# 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