JAVASCRIPT   100

api-fetch.js

Guest on 5th August 2021 05:15:29 PM

  1. this["wp"] = this["wp"] || {}; this["wp"]["apiFetch"] =
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  88. /******/ ({
  89.  
  90. /***/ "Mmq9":
  91. /***/ (function(module, exports) {
  92.  
  93. (function() { module.exports = window["wp"]["url"]; }());
  94.  
  95. /***/ }),
  96.  
  97. /***/ "jqrR":
  98. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  99.  
  100. "use strict";
  101. // ESM COMPAT FLAG
  102. __webpack_require__.r(__webpack_exports__);
  103.  
  104. // EXTERNAL MODULE: external ["wp","i18n"]
  105. var external_wp_i18n_ = __webpack_require__("l3Sj");
  106.  
  107. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/nonce.js
  108. /**
  109.  * @param {string} nonce
  110.  * @return {import('../types').APIFetchMiddleware & { nonce: string }} A middleware to enhance a request with a nonce.
  111.  */
  112. function createNonceMiddleware(nonce) {
  113.   /**
  114.    * @type {import('../types').APIFetchMiddleware & { nonce: string }}
  115.    */
  116.   const middleware = (options, next) => {
  117.     const {
  118.       headers = {}
  119.     } = options; // If an 'X-WP-Nonce' header (or any case-insensitive variation
  120.     // thereof) was specified, no need to add a nonce header.
  121.  
  122.     for (const headerName in headers) {
  123.       if (headerName.toLowerCase() === 'x-wp-nonce' && headers[headerName] === middleware.nonce) {
  124.         return next(options);
  125.       }
  126.     }
  127.  
  128.     return next({ ...options,
  129.       headers: { ...headers,
  130.         'X-WP-Nonce': middleware.nonce
  131.       }
  132.     });
  133.   };
  134.  
  135.   middleware.nonce = nonce;
  136.   return middleware;
  137. }
  138.  
  139. /* harmony default export */ var nonce = (createNonceMiddleware);
  140.  
  141. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/namespace-endpoint.js
  142. /**
  143.  * @type {import('../types').APIFetchMiddleware}
  144.  */
  145. const namespaceAndEndpointMiddleware = (options, next) => {
  146.   let path = options.path;
  147.   let namespaceTrimmed, endpointTrimmed;
  148.  
  149.   if (typeof options.namespace === 'string' && typeof options.endpoint === 'string') {
  150.     namespaceTrimmed = options.namespace.replace(/^\/|\/$/g, '');
  151.     endpointTrimmed = options.endpoint.replace(/^\//, '');
  152.  
  153.     if (endpointTrimmed) {
  154.       path = namespaceTrimmed + '/' + endpointTrimmed;
  155.     } else {
  156.       path = namespaceTrimmed;
  157.     }
  158.   }
  159.  
  160.   delete options.namespace;
  161.   delete options.endpoint;
  162.   return next({ ...options,
  163.     path
  164.   });
  165. };
  166.  
  167. /* harmony default export */ var namespace_endpoint = (namespaceAndEndpointMiddleware);
  168.  
  169. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/root-url.js
  170. /**
  171.  * Internal dependencies
  172.  */
  173.  
  174. /**
  175.  * @param {string} rootURL
  176.  * @return {import('../types').APIFetchMiddleware} Root URL middleware.
  177.  */
  178.  
  179. const createRootURLMiddleware = rootURL => (options, next) => {
  180.   return namespace_endpoint(options, optionsWithPath => {
  181.     let url = optionsWithPath.url;
  182.     let path = optionsWithPath.path;
  183.     let apiRoot;
  184.  
  185.     if (typeof path === 'string') {
  186.       apiRoot = rootURL;
  187.  
  188.       if (-1 !== rootURL.indexOf('?')) {
  189.         path = path.replace('?', '&');
  190.       }
  191.  
  192.       path = path.replace(/^\//, ''); // API root may already include query parameter prefix if site is
  193.       // configured to use plain permalinks.
  194.  
  195.       if ('string' === typeof apiRoot && -1 !== apiRoot.indexOf('?')) {
  196.         path = path.replace('?', '&');
  197.       }
  198.  
  199.       url = apiRoot + path;
  200.     }
  201.  
  202.     return next({ ...optionsWithPath,
  203.       url
  204.     });
  205.   });
  206. };
  207.  
  208. /* harmony default export */ var root_url = (createRootURLMiddleware);
  209.  
  210. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/preloading.js
  211. /**
  212.  * Given a path, returns a normalized path where equal query parameter values
  213.  * will be treated as identical, regardless of order they appear in the original
  214.  * text.
  215.  *
  216.  * @param {string} path Original path.
  217.  *
  218.  * @return {string} Normalized path.
  219.  */
  220. function getStablePath(path) {
  221.   const splitted = path.split('?');
  222.   const query = splitted[1];
  223.   const base = splitted[0];
  224.  
  225.   if (!query) {
  226.     return base;
  227.   } // 'b=1&c=2&a=5'
  228.  
  229.  
  230.   return base + '?' + query // [ 'b=1', 'c=2', 'a=5' ]
  231.   .split('&') // [ [ 'b, '1' ], [ 'c', '2' ], [ 'a', '5' ] ]
  232.   .map(entry => entry.split('=')) // [ [ 'a', '5' ], [ 'b, '1' ], [ 'c', '2' ] ]
  233.   .sort((a, b) => a[0].localeCompare(b[0])) // [ 'a=5', 'b=1', 'c=2' ]
  234.   .map(pair => pair.join('=')) // 'a=5&b=1&c=2'
  235.   .join('&');
  236. }
  237. /**
  238.  * @param {Record<string, any>} preloadedData
  239.  * @return {import('../types').APIFetchMiddleware} Preloading middleware.
  240.  */
  241.  
  242. function createPreloadingMiddleware(preloadedData) {
  243.   const cache = Object.keys(preloadedData).reduce((result, path) => {
  244.     result[getStablePath(path)] = preloadedData[path];
  245.     return result;
  246.   },
  247.   /** @type {Record<string, any>} */
  248.   {});
  249.   return (options, next) => {
  250.     const {
  251.       parse = true
  252.     } = options;
  253.  
  254.     if (typeof options.path === 'string') {
  255.       const method = options.method || 'GET';
  256.       const path = getStablePath(options.path);
  257.  
  258.       if ('GET' === method && cache[path]) {
  259.         const cacheData = cache[path]; // Unsetting the cache key ensures that the data is only preloaded a single time
  260.  
  261.         delete cache[path];
  262.         return Promise.resolve(parse ? cacheData.body : new window.Response(JSON.stringify(cacheData.body), {
  263.           status: 200,
  264.           statusText: 'OK',
  265.           headers: cacheData.headers
  266.         }));
  267.       } else if ('OPTIONS' === method && cache[method] && cache[method][path]) {
  268.         return Promise.resolve(parse ? cache[method][path].body : cache[method][path]);
  269.       }
  270.     }
  271.  
  272.     return next(options);
  273.   };
  274. }
  275.  
  276. /* harmony default export */ var preloading = (createPreloadingMiddleware);
  277.  
  278. // EXTERNAL MODULE: external ["wp","url"]
  279. var external_wp_url_ = __webpack_require__("Mmq9");
  280.  
  281. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/fetch-all-middleware.js
  282. /**
  283.  * WordPress dependencies
  284.  */
  285.  
  286. /**
  287.  * Internal dependencies
  288.  */
  289.  
  290.  
  291. /**
  292.  * Apply query arguments to both URL and Path, whichever is present.
  293.  *
  294.  * @param {import('../types').APIFetchOptions} props
  295.  * @param {Record<string, string | number>} queryArgs
  296.  * @return {import('../types').APIFetchOptions} The request with the modified query args
  297.  */
  298.  
  299. const modifyQuery = ({
  300.   path,
  301.   url,
  302.   ...options
  303. }, queryArgs) => ({ ...options,
  304.   url: url && Object(external_wp_url_["addQueryArgs"])(url, queryArgs),
  305.   path: path && Object(external_wp_url_["addQueryArgs"])(path, queryArgs)
  306. });
  307. /**
  308.  * Duplicates parsing functionality from apiFetch.
  309.  *
  310.  * @param {Response} response
  311.  * @return {Promise<any>} Parsed response json.
  312.  */
  313.  
  314.  
  315. const parseResponse = response => response.json ? response.json() : Promise.reject(response);
  316. /**
  317.  * @param {string | null} linkHeader
  318.  * @return {{ next?: string }} The parsed link header.
  319.  */
  320.  
  321.  
  322. const parseLinkHeader = linkHeader => {
  323.   if (!linkHeader) {
  324.     return {};
  325.   }
  326.  
  327.   const match = linkHeader.match(/<([^>]+)>; rel="next"/);
  328.   return match ? {
  329.     next: match[1]
  330.   } : {};
  331. };
  332. /**
  333.  * @param {Response} response
  334.  * @return {string | undefined} The next page URL.
  335.  */
  336.  
  337.  
  338. const getNextPageUrl = response => {
  339.   const {
  340.     next
  341.   } = parseLinkHeader(response.headers.get('link'));
  342.   return next;
  343. };
  344. /**
  345.  * @param {import('../types').APIFetchOptions} options
  346.  * @return {boolean} True if the request contains an unbounded query.
  347.  */
  348.  
  349.  
  350. const requestContainsUnboundedQuery = options => {
  351.   const pathIsUnbounded = !!options.path && options.path.indexOf('per_page=-1') !== -1;
  352.   const urlIsUnbounded = !!options.url && options.url.indexOf('per_page=-1') !== -1;
  353.   return pathIsUnbounded || urlIsUnbounded;
  354. };
  355. /**
  356.  * The REST API enforces an upper limit on the per_page option. To handle large
  357.  * collections, apiFetch consumers can pass `per_page=-1`; this middleware will
  358.  * then recursively assemble a full response array from all available pages.
  359.  *
  360.  * @type {import('../types').APIFetchMiddleware}
  361.  */
  362.  
  363.  
  364. const fetchAllMiddleware = async (options, next) => {
  365.   if (options.parse === false) {
  366.     // If a consumer has opted out of parsing, do not apply middleware.
  367.     return next(options);
  368.   }
  369.  
  370.   if (!requestContainsUnboundedQuery(options)) {
  371.     // If neither url nor path is requesting all items, do not apply middleware.
  372.     return next(options);
  373.   } // Retrieve requested page of results.
  374.  
  375.  
  376.   const response = await build_module({ ...modifyQuery(options, {
  377.       per_page: 100
  378.     }),
  379.     // Ensure headers are returned for page 1.
  380.     parse: false
  381.   });
  382.   const results = await parseResponse(response);
  383.  
  384.   if (!Array.isArray(results)) {
  385.     // We have no reliable way of merging non-array results.
  386.     return results;
  387.   }
  388.  
  389.   let nextPage = getNextPageUrl(response);
  390.  
  391.   if (!nextPage) {
  392.     // There are no further pages to request.
  393.     return results;
  394.   } // Iteratively fetch all remaining pages until no "next" header is found.
  395.  
  396.  
  397.   let mergedResults =
  398.   /** @type {any[]} */
  399.   [].concat(results);
  400.  
  401.   while (nextPage) {
  402.     const nextResponse = await build_module({ ...options,
  403.       // Ensure the URL for the next page is used instead of any provided path.
  404.       path: undefined,
  405.       url: nextPage,
  406.       // Ensure we still get headers so we can identify the next page.
  407.       parse: false
  408.     });
  409.     const nextResults = await parseResponse(nextResponse);
  410.     mergedResults = mergedResults.concat(nextResults);
  411.     nextPage = getNextPageUrl(nextResponse);
  412.   }
  413.  
  414.   return mergedResults;
  415. };
  416.  
  417. /* harmony default export */ var fetch_all_middleware = (fetchAllMiddleware);
  418.  
  419. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/http-v1.js
  420. /**
  421.  * Set of HTTP methods which are eligible to be overridden.
  422.  *
  423.  * @type {Set<string>}
  424.  */
  425. const OVERRIDE_METHODS = new Set(['PATCH', 'PUT', 'DELETE']);
  426. /**
  427.  * Default request method.
  428.  *
  429.  * "A request has an associated method (a method). Unless stated otherwise it
  430.  * is `GET`."
  431.  *
  432.  * @see  https://fetch.spec.whatwg.org/#requests
  433.  *
  434.  * @type {string}
  435.  */
  436.  
  437. const DEFAULT_METHOD = 'GET';
  438. /**
  439.  * API Fetch middleware which overrides the request method for HTTP v1
  440.  * compatibility leveraging the REST API X-HTTP-Method-Override header.
  441.  *
  442.  * @type {import('../types').APIFetchMiddleware}
  443.  */
  444.  
  445. const httpV1Middleware = (options, next) => {
  446.   const {
  447.     method = DEFAULT_METHOD
  448.   } = options;
  449.  
  450.   if (OVERRIDE_METHODS.has(method.toUpperCase())) {
  451.     options = { ...options,
  452.       headers: { ...options.headers,
  453.         'X-HTTP-Method-Override': method,
  454.         'Content-Type': 'application/json'
  455.       },
  456.       method: 'POST'
  457.     };
  458.   }
  459.  
  460.   return next(options);
  461. };
  462.  
  463. /* harmony default export */ var http_v1 = (httpV1Middleware);
  464.  
  465. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/user-locale.js
  466. /**
  467.  * WordPress dependencies
  468.  */
  469.  
  470. /**
  471.  * @type {import('../types').APIFetchMiddleware}
  472.  */
  473.  
  474. const userLocaleMiddleware = (options, next) => {
  475.   if (typeof options.url === 'string' && !Object(external_wp_url_["hasQueryArg"])(options.url, '_locale')) {
  476.     options.url = Object(external_wp_url_["addQueryArgs"])(options.url, {
  477.       _locale: 'user'
  478.     });
  479.   }
  480.  
  481.   if (typeof options.path === 'string' && !Object(external_wp_url_["hasQueryArg"])(options.path, '_locale')) {
  482.     options.path = Object(external_wp_url_["addQueryArgs"])(options.path, {
  483.       _locale: 'user'
  484.     });
  485.   }
  486.  
  487.   return next(options);
  488. };
  489.  
  490. /* harmony default export */ var user_locale = (userLocaleMiddleware);
  491.  
  492. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/utils/response.js
  493. /**
  494.  * WordPress dependencies
  495.  */
  496.  
  497. /**
  498.  * Parses the apiFetch response.
  499.  *
  500.  * @param {Response} response
  501.  * @param {boolean}  shouldParseResponse
  502.  *
  503.  * @return {Promise<any> | null | Response} Parsed response.
  504.  */
  505.  
  506. const response_parseResponse = (response, shouldParseResponse = true) => {
  507.   if (shouldParseResponse) {
  508.     if (response.status === 204) {
  509.       return null;
  510.     }
  511.  
  512.     return response.json ? response.json() : Promise.reject(response);
  513.   }
  514.  
  515.   return response;
  516. };
  517. /**
  518.  * Calls the `json` function on the Response, throwing an error if the response
  519.  * doesn't have a json function or if parsing the json itself fails.
  520.  *
  521.  * @param {Response} response
  522.  * @return {Promise<any>} Parsed response.
  523.  */
  524.  
  525.  
  526. const parseJsonAndNormalizeError = response => {
  527.   const invalidJsonError = {
  528.     code: 'invalid_json',
  529.     message: Object(external_wp_i18n_["__"])('The response is not a valid JSON response.')
  530.   };
  531.  
  532.   if (!response || !response.json) {
  533.     throw invalidJsonError;
  534.   }
  535.  
  536.   return response.json().catch(() => {
  537.     throw invalidJsonError;
  538.   });
  539. };
  540. /**
  541.  * Parses the apiFetch response properly and normalize response errors.
  542.  *
  543.  * @param {Response} response
  544.  * @param {boolean}  shouldParseResponse
  545.  *
  546.  * @return {Promise<any>} Parsed response.
  547.  */
  548.  
  549.  
  550. const parseResponseAndNormalizeError = (response, shouldParseResponse = true) => {
  551.   return Promise.resolve(response_parseResponse(response, shouldParseResponse)).catch(res => parseAndThrowError(res, shouldParseResponse));
  552. };
  553. /**
  554.  * Parses a response, throwing an error if parsing the response fails.
  555.  *
  556.  * @param {Response} response
  557.  * @param {boolean} shouldParseResponse
  558.  * @return {Promise<any>} Parsed response.
  559.  */
  560.  
  561. function parseAndThrowError(response, shouldParseResponse = true) {
  562.   if (!shouldParseResponse) {
  563.     throw response;
  564.   }
  565.  
  566.   return parseJsonAndNormalizeError(response).then(error => {
  567.     const unknownError = {
  568.       code: 'unknown_error',
  569.       message: Object(external_wp_i18n_["__"])('An unknown error occurred.')
  570.     };
  571.     throw error || unknownError;
  572.   });
  573. }
  574.  
  575. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/middlewares/media-upload.js
  576. /**
  577.  * WordPress dependencies
  578.  */
  579.  
  580. /**
  581.  * Internal dependencies
  582.  */
  583.  
  584.  
  585. /**
  586.  * Middleware handling media upload failures and retries.
  587.  *
  588.  * @type {import('../types').APIFetchMiddleware}
  589.  */
  590.  
  591. const mediaUploadMiddleware = (options, next) => {
  592.   const isMediaUploadRequest = options.path && options.path.indexOf('/wp/v2/media') !== -1 || options.url && options.url.indexOf('/wp/v2/media') !== -1;
  593.  
  594.   if (!isMediaUploadRequest) {
  595.     return next(options);
  596.   }
  597.  
  598.   let retries = 0;
  599.   const maxRetries = 5;
  600.   /**
  601.    * @param {string} attachmentId
  602.    * @return {Promise<any>} Processed post response.
  603.    */
  604.  
  605.   const postProcess = attachmentId => {
  606.     retries++;
  607.     return next({
  608.       path: `/wp/v2/media/${attachmentId}/post-process`,
  609.       method: 'POST',
  610.       data: {
  611.         action: 'create-image-subsizes'
  612.       },
  613.       parse: false
  614.     }).catch(() => {
  615.       if (retries < maxRetries) {
  616.         return postProcess(attachmentId);
  617.       }
  618.  
  619.       next({
  620.         path: `/wp/v2/media/${attachmentId}?force=true`,
  621.         method: 'DELETE'
  622.       });
  623.       return Promise.reject();
  624.     });
  625.   };
  626.  
  627.   return next({ ...options,
  628.     parse: false
  629.   }).catch(response => {
  630.     const attachmentId = response.headers.get('x-wp-upload-attachment-id');
  631.  
  632.     if (response.status >= 500 && response.status < 600 && attachmentId) {
  633.       return postProcess(attachmentId).catch(() => {
  634.         if (options.parse !== false) {
  635.           return Promise.reject({
  636.             code: 'post_process',
  637.             message: Object(external_wp_i18n_["__"])('Media upload failed. If this is a photo or a large image, please scale it down and try again.')
  638.           });
  639.         }
  640.  
  641.         return Promise.reject(response);
  642.       });
  643.     }
  644.  
  645.     return parseAndThrowError(response, options.parse);
  646.   }).then(response => parseResponseAndNormalizeError(response, options.parse));
  647. };
  648.  
  649. /* harmony default export */ var media_upload = (mediaUploadMiddleware);
  650.  
  651. // CONCATENATED MODULE: ./node_modules/@wordpress/api-fetch/build-module/index.js
  652. /**
  653.  * WordPress dependencies
  654.  */
  655.  
  656. /**
  657.  * Internal dependencies
  658.  */
  659.  
  660.  
  661.  
  662.  
  663.  
  664.  
  665.  
  666.  
  667.  
  668.  
  669. /**
  670.  * Default set of header values which should be sent with every request unless
  671.  * explicitly provided through apiFetch options.
  672.  *
  673.  * @type {Record<string, string>}
  674.  */
  675.  
  676. const DEFAULT_HEADERS = {
  677.   // The backend uses the Accept header as a condition for considering an
  678.   // incoming request as a REST request.
  679.   //
  680.   // See: https://core.trac.wordpress.org/ticket/44534
  681.   Accept: 'application/json, */*;q=0.1'
  682. };
  683. /**
  684.  * Default set of fetch option values which should be sent with every request
  685.  * unless explicitly provided through apiFetch options.
  686.  *
  687.  * @type {Object}
  688.  */
  689.  
  690. const DEFAULT_OPTIONS = {
  691.   credentials: 'include'
  692. };
  693. /** @typedef {import('./types').APIFetchMiddleware} APIFetchMiddleware */
  694.  
  695. /** @typedef {import('./types').APIFetchOptions} APIFetchOptions */
  696.  
  697. /**
  698.  * @type {import('./types').APIFetchMiddleware[]}
  699.  */
  700.  
  701. const middlewares = [user_locale, namespace_endpoint, http_v1, fetch_all_middleware];
  702. /**
  703.  * Register a middleware
  704.  *
  705.  * @param {import('./types').APIFetchMiddleware} middleware
  706.  */
  707.  
  708. function registerMiddleware(middleware) {
  709.   middlewares.unshift(middleware);
  710. }
  711. /**
  712.  * Checks the status of a response, throwing the Response as an error if
  713.  * it is outside the 200 range.
  714.  *
  715.  * @param {Response} response
  716.  * @return {Response} The response if the status is in the 200 range.
  717.  */
  718.  
  719.  
  720. const checkStatus = response => {
  721.   if (response.status >= 200 && response.status < 300) {
  722.     return response;
  723.   }
  724.  
  725.   throw response;
  726. };
  727. /** @typedef {(options: import('./types').APIFetchOptions) => Promise<any>} FetchHandler*/
  728.  
  729. /**
  730.  * @type {FetchHandler}
  731.  */
  732.  
  733.  
  734. const defaultFetchHandler = nextOptions => {
  735.   const {
  736.     url,
  737.     path,
  738.     data,
  739.     parse = true,
  740.     ...remainingOptions
  741.   } = nextOptions;
  742.   let {
  743.     body,
  744.     headers
  745.   } = nextOptions; // Merge explicitly-provided headers with default values.
  746.  
  747.   headers = { ...DEFAULT_HEADERS,
  748.     ...headers
  749.   }; // The `data` property is a shorthand for sending a JSON body.
  750.  
  751.   if (data) {
  752.     body = JSON.stringify(data);
  753.     headers['Content-Type'] = 'application/json';
  754.   }
  755.  
  756.   const responsePromise = window.fetch( // fall back to explicitly passing `window.location` which is the behavior if `undefined` is passed
  757.   url || path || window.location.href, { ...DEFAULT_OPTIONS,
  758.     ...remainingOptions,
  759.     body,
  760.     headers
  761.   });
  762.   return responsePromise // Return early if fetch errors. If fetch error, there is most likely no
  763.   // network connection. Unfortunately fetch just throws a TypeError and
  764.   // the message might depend on the browser.
  765.   .then(value => Promise.resolve(value).then(checkStatus).catch(response => parseAndThrowError(response, parse)).then(response => parseResponseAndNormalizeError(response, parse)), () => {
  766.     throw {
  767.       code: 'fetch_error',
  768.       message: Object(external_wp_i18n_["__"])('You are probably offline.')
  769.     };
  770.   });
  771. };
  772. /** @type {FetchHandler} */
  773.  
  774.  
  775. let fetchHandler = defaultFetchHandler;
  776. /**
  777.  * Defines a custom fetch handler for making the requests that will override
  778.  * the default one using window.fetch
  779.  *
  780.  * @param {FetchHandler} newFetchHandler The new fetch handler
  781.  */
  782.  
  783. function setFetchHandler(newFetchHandler) {
  784.   fetchHandler = newFetchHandler;
  785. }
  786. /**
  787.  * @template T
  788.  * @param {import('./types').APIFetchOptions} options
  789.  * @return {Promise<T>} A promise representing the request processed via the registered middlewares.
  790.  */
  791.  
  792.  
  793. function apiFetch(options) {
  794.   // creates a nested function chain that calls all middlewares and finally the `fetchHandler`,
  795.   // converting `middlewares = [ m1, m2, m3 ]` into:
  796.   // ```
  797.   // opts1 => m1( opts1, opts2 => m2( opts2, opts3 => m3( opts3, fetchHandler ) ) );
  798.   // ```
  799.   const enhancedHandler = middlewares.reduceRight((
  800.   /** @type {FetchHandler} */
  801.   next, middleware) => {
  802.     return workingOptions => middleware(workingOptions, next);
  803.   }, fetchHandler);
  804.   return enhancedHandler(options).catch(error => {
  805.     if (error.code !== 'rest_cookie_invalid_nonce') {
  806.       return Promise.reject(error);
  807.     } // If the nonce is invalid, refresh it and try again.
  808.  
  809.  
  810.     return window // @ts-ignore
  811.     .fetch(apiFetch.nonceEndpoint).then(checkStatus).then(data => data.text()).then(text => {
  812.       // @ts-ignore
  813.       apiFetch.nonceMiddleware.nonce = text;
  814.       return apiFetch(options);
  815.     });
  816.   });
  817. }
  818.  
  819. apiFetch.use = registerMiddleware;
  820. apiFetch.setFetchHandler = setFetchHandler;
  821. apiFetch.createNonceMiddleware = nonce;
  822. apiFetch.createPreloadingMiddleware = preloading;
  823. apiFetch.createRootURLMiddleware = root_url;
  824. apiFetch.fetchAllMiddleware = fetch_all_middleware;
  825. apiFetch.mediaUploadMiddleware = media_upload;
  826. /* harmony default export */ var build_module = __webpack_exports__["default"] = (apiFetch);
  827.  
  828.  
  829. /***/ }),
  830.  
  831. /***/ "l3Sj":
  832. /***/ (function(module, exports) {
  833.  
  834. (function() { module.exports = window["wp"]["i18n"]; }());
  835.  
  836. /***/ })
  837.  
  838. /******/ })["default"];

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