1 | (function (global, factory) {
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2 | typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('tslib'), require('apollo-link'), require('apollo-link-http-common')) :
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3 | typeof define === 'function' && define.amd ? define(['exports', 'tslib', 'apollo-link', 'apollo-link-http-common'], factory) :
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4 | (global = global || self, factory((global.apolloLink = global.apolloLink || {}, global.apolloLink.http = {}), global.tslib, global.apolloLink.core, global.apolloLink.httpCommon));
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5 | }(this, function (exports, tslib_1, apolloLink, apolloLinkHttpCommon) { 'use strict';
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6 |
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7 | var createHttpLink = function (linkOptions) {
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8 | if (linkOptions === void 0) { linkOptions = {}; }
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9 | var _a = linkOptions.uri, uri = _a === void 0 ? '/graphql' : _a, fetcher = linkOptions.fetch, includeExtensions = linkOptions.includeExtensions, useGETForQueries = linkOptions.useGETForQueries, requestOptions = tslib_1.__rest(linkOptions, ["uri", "fetch", "includeExtensions", "useGETForQueries"]);
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10 | apolloLinkHttpCommon.checkFetcher(fetcher);
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11 | if (!fetcher) {
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12 | fetcher = fetch;
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13 | }
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14 | var linkConfig = {
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15 | http: { includeExtensions: includeExtensions },
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16 | options: requestOptions.fetchOptions,
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17 | credentials: requestOptions.credentials,
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18 | headers: requestOptions.headers,
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19 | };
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20 | return new apolloLink.ApolloLink(function (operation) {
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21 | var chosenURI = apolloLinkHttpCommon.selectURI(operation, uri);
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22 | var context = operation.getContext();
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23 | var clientAwarenessHeaders = {};
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24 | if (context.clientAwareness) {
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25 | var _a = context.clientAwareness, name_1 = _a.name, version = _a.version;
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26 | if (name_1) {
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27 | clientAwarenessHeaders['apollographql-client-name'] = name_1;
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28 | }
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29 | if (version) {
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30 | clientAwarenessHeaders['apollographql-client-version'] = version;
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31 | }
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32 | }
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33 | var contextHeaders = tslib_1.__assign({}, clientAwarenessHeaders, context.headers);
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34 | var contextConfig = {
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35 | http: context.http,
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36 | options: context.fetchOptions,
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37 | credentials: context.credentials,
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38 | headers: contextHeaders,
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39 | };
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40 | var _b = apolloLinkHttpCommon.selectHttpOptionsAndBody(operation, apolloLinkHttpCommon.fallbackHttpConfig, linkConfig, contextConfig), options = _b.options, body = _b.body;
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41 | var controller;
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42 | if (!options.signal) {
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43 | var _c = apolloLinkHttpCommon.createSignalIfSupported(), _controller = _c.controller, signal = _c.signal;
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44 | controller = _controller;
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45 | if (controller)
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46 | options.signal = signal;
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47 | }
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48 | var definitionIsMutation = function (d) {
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49 | return d.kind === 'OperationDefinition' && d.operation === 'mutation';
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50 | };
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51 | if (useGETForQueries &&
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52 | !operation.query.definitions.some(definitionIsMutation)) {
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53 | options.method = 'GET';
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54 | }
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55 | if (options.method === 'GET') {
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56 | var _d = rewriteURIForGET(chosenURI, body), newURI = _d.newURI, parseError = _d.parseError;
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57 | if (parseError) {
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58 | return apolloLink.fromError(parseError);
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59 | }
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60 | chosenURI = newURI;
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61 | }
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62 | else {
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63 | try {
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64 | options.body = apolloLinkHttpCommon.serializeFetchParameter(body, 'Payload');
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65 | }
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66 | catch (parseError) {
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67 | return apolloLink.fromError(parseError);
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68 | }
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69 | }
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70 | return new apolloLink.Observable(function (observer) {
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71 | fetcher(chosenURI, options)
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72 | .then(function (response) {
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73 | operation.setContext({ response: response });
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74 | return response;
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75 | })
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76 | .then(apolloLinkHttpCommon.parseAndCheckHttpResponse(operation))
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77 | .then(function (result) {
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78 | observer.next(result);
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79 | observer.complete();
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80 | return result;
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81 | })
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82 | .catch(function (err) {
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83 | if (err.name === 'AbortError')
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84 | return;
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85 | if (err.result && err.result.errors && err.result.data) {
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86 | observer.next(err.result);
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87 | }
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88 | observer.error(err);
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89 | });
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90 | return function () {
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91 | if (controller)
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92 | controller.abort();
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93 | };
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94 | });
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95 | });
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96 | };
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97 | function rewriteURIForGET(chosenURI, body) {
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98 | var queryParams = [];
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99 | var addQueryParam = function (key, value) {
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100 | queryParams.push(key + "=" + encodeURIComponent(value));
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101 | };
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102 | if ('query' in body) {
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103 | addQueryParam('query', body.query);
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104 | }
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105 | if (body.operationName) {
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106 | addQueryParam('operationName', body.operationName);
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107 | }
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108 | if (body.variables) {
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109 | var serializedVariables = void 0;
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110 | try {
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111 | serializedVariables = apolloLinkHttpCommon.serializeFetchParameter(body.variables, 'Variables map');
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112 | }
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113 | catch (parseError) {
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114 | return { parseError: parseError };
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115 | }
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116 | addQueryParam('variables', serializedVariables);
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117 | }
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118 | if (body.extensions) {
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119 | var serializedExtensions = void 0;
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120 | try {
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121 | serializedExtensions = apolloLinkHttpCommon.serializeFetchParameter(body.extensions, 'Extensions map');
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122 | }
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123 | catch (parseError) {
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124 | return { parseError: parseError };
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125 | }
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126 | addQueryParam('extensions', serializedExtensions);
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127 | }
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128 | var fragment = '', preFragment = chosenURI;
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129 | var fragmentStart = chosenURI.indexOf('#');
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130 | if (fragmentStart !== -1) {
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131 | fragment = chosenURI.substr(fragmentStart);
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132 | preFragment = chosenURI.substr(0, fragmentStart);
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133 | }
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134 | var queryParamsPrefix = preFragment.indexOf('?') === -1 ? '?' : '&';
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135 | var newURI = preFragment + queryParamsPrefix + queryParams.join('&') + fragment;
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136 | return { newURI: newURI };
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137 | }
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138 | var HttpLink = (function (_super) {
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139 | tslib_1.__extends(HttpLink, _super);
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140 | function HttpLink(opts) {
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141 | return _super.call(this, createHttpLink(opts).request) || this;
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142 | }
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143 | return HttpLink;
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144 | }(apolloLink.ApolloLink));
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145 |
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146 | exports.createHttpLink = createHttpLink;
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147 | exports.HttpLink = HttpLink;
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148 |
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149 | Object.defineProperty(exports, '__esModule', { value: true });
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150 |
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151 | }));
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152 |
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