1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | var tslib_1 = require("tslib");
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4 | var apollo_link_1 = require("apollo-link");
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5 | var apollo_link_http_common_1 = require("apollo-link-http-common");
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6 | exports.createHttpLink = function (linkOptions) {
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7 | if (linkOptions === void 0) { linkOptions = {}; }
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8 | 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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9 | apollo_link_http_common_1.checkFetcher(fetcher);
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10 | if (!fetcher) {
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11 | fetcher = fetch;
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12 | }
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13 | var linkConfig = {
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14 | http: { includeExtensions: includeExtensions },
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15 | options: requestOptions.fetchOptions,
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16 | credentials: requestOptions.credentials,
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17 | headers: requestOptions.headers,
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18 | };
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19 | return new apollo_link_1.ApolloLink(function (operation) {
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20 | var chosenURI = apollo_link_http_common_1.selectURI(operation, uri);
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21 | var context = operation.getContext();
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22 | var clientAwarenessHeaders = {};
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23 | if (context.clientAwareness) {
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24 | var _a = context.clientAwareness, name_1 = _a.name, version = _a.version;
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25 | if (name_1) {
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26 | clientAwarenessHeaders['apollographql-client-name'] = name_1;
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27 | }
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28 | if (version) {
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29 | clientAwarenessHeaders['apollographql-client-version'] = version;
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30 | }
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31 | }
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32 | var contextHeaders = tslib_1.__assign({}, clientAwarenessHeaders, context.headers);
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33 | var contextConfig = {
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34 | http: context.http,
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35 | options: context.fetchOptions,
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36 | credentials: context.credentials,
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37 | headers: contextHeaders,
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38 | };
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39 | var _b = apollo_link_http_common_1.selectHttpOptionsAndBody(operation, apollo_link_http_common_1.fallbackHttpConfig, linkConfig, contextConfig), options = _b.options, body = _b.body;
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40 | var controller;
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41 | if (!options.signal) {
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42 | var _c = apollo_link_http_common_1.createSignalIfSupported(), _controller = _c.controller, signal = _c.signal;
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43 | controller = _controller;
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44 | if (controller)
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45 | options.signal = signal;
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46 | }
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47 | var definitionIsMutation = function (d) {
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48 | return d.kind === 'OperationDefinition' && d.operation === 'mutation';
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49 | };
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50 | if (useGETForQueries &&
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51 | !operation.query.definitions.some(definitionIsMutation)) {
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52 | options.method = 'GET';
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53 | }
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54 | if (options.method === 'GET') {
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55 | var _d = rewriteURIForGET(chosenURI, body), newURI = _d.newURI, parseError = _d.parseError;
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56 | if (parseError) {
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57 | return apollo_link_1.fromError(parseError);
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58 | }
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59 | chosenURI = newURI;
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60 | }
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61 | else {
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62 | try {
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63 | options.body = apollo_link_http_common_1.serializeFetchParameter(body, 'Payload');
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64 | }
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65 | catch (parseError) {
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66 | return apollo_link_1.fromError(parseError);
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67 | }
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68 | }
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69 | return new apollo_link_1.Observable(function (observer) {
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70 | fetcher(chosenURI, options)
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71 | .then(function (response) {
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72 | operation.setContext({ response: response });
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73 | return response;
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74 | })
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75 | .then(apollo_link_http_common_1.parseAndCheckHttpResponse(operation))
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76 | .then(function (result) {
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77 | observer.next(result);
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78 | observer.complete();
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79 | return result;
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80 | })
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81 | .catch(function (err) {
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82 | if (err.name === 'AbortError')
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83 | return;
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84 | if (err.result && err.result.errors && err.result.data) {
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85 | observer.next(err.result);
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86 | }
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87 | observer.error(err);
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88 | });
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89 | return function () {
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90 | if (controller)
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91 | controller.abort();
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92 | };
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93 | });
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94 | });
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95 | };
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96 | function rewriteURIForGET(chosenURI, body) {
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97 | var queryParams = [];
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98 | var addQueryParam = function (key, value) {
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99 | queryParams.push(key + "=" + encodeURIComponent(value));
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100 | };
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101 | if ('query' in body) {
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102 | addQueryParam('query', body.query);
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103 | }
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104 | if (body.operationName) {
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105 | addQueryParam('operationName', body.operationName);
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106 | }
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107 | if (body.variables) {
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108 | var serializedVariables = void 0;
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109 | try {
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110 | serializedVariables = apollo_link_http_common_1.serializeFetchParameter(body.variables, 'Variables map');
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111 | }
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112 | catch (parseError) {
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113 | return { parseError: parseError };
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114 | }
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115 | addQueryParam('variables', serializedVariables);
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116 | }
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117 | if (body.extensions) {
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118 | var serializedExtensions = void 0;
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119 | try {
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120 | serializedExtensions = apollo_link_http_common_1.serializeFetchParameter(body.extensions, 'Extensions map');
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121 | }
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122 | catch (parseError) {
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123 | return { parseError: parseError };
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124 | }
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125 | addQueryParam('extensions', serializedExtensions);
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126 | }
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127 | var fragment = '', preFragment = chosenURI;
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128 | var fragmentStart = chosenURI.indexOf('#');
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129 | if (fragmentStart !== -1) {
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130 | fragment = chosenURI.substr(fragmentStart);
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131 | preFragment = chosenURI.substr(0, fragmentStart);
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132 | }
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133 | var queryParamsPrefix = preFragment.indexOf('?') === -1 ? '?' : '&';
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134 | var newURI = preFragment + queryParamsPrefix + queryParams.join('&') + fragment;
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135 | return { newURI: newURI };
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136 | }
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137 | var HttpLink = (function (_super) {
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138 | tslib_1.__extends(HttpLink, _super);
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139 | function HttpLink(opts) {
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140 | return _super.call(this, exports.createHttpLink(opts).request) || this;
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141 | }
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142 | return HttpLink;
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143 | }(apollo_link_1.ApolloLink));
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144 | exports.HttpLink = HttpLink;
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145 |
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