import utils from '../utils.js'; import httpAdapter from './http.js'; import xhrAdapter from './xhr.js'; import AxiosError from "../core/AxiosError.js"; const knownAdapters = { http: httpAdapter, xhr: xhrAdapter } utils.forEach(knownAdapters, (fn, value) => { if (fn) { try { Object.defineProperty(fn, 'name', {value}); } catch (e) { // eslint-disable-next-line no-empty } Object.defineProperty(fn, 'adapterName', {value}); } }); const renderReason = (reason) => `- ${reason}`; const isResolvedHandle = (adapter) => utils.isFunction(adapter) || adapter === null || adapter === false; export default { getAdapter: (adapters) => { adapters = utils.isArray(adapters) ? adapters : [adapters]; const {length} = adapters; let nameOrAdapter; let adapter; const rejectedReasons = {}; for (let i = 0; i < length; i++) { nameOrAdapter = adapters[i]; let id; adapter = nameOrAdapter; if (!isResolvedHandle(nameOrAdapter)) { adapter = knownAdapters[(id = String(nameOrAdapter)).toLowerCase()]; if (adapter === undefined) { throw new AxiosError(`Unknown adapter '${id}'`); } } if (adapter) { break; } rejectedReasons[id || '#' + i] = adapter; } if (!adapter) { const reasons = Object.entries(rejectedReasons) .map(([id, state]) => `adapter ${id} ` + (state === false ? 'is not supported by the environment' : 'is not available in the build') ); let s = length ? (reasons.length > 1 ? 'since :\n' + reasons.map(renderReason).join('\n') : ' ' + renderReason(reasons[0])) : 'as no adapter specified'; throw new AxiosError( `There is no suitable adapter to dispatch the request ` + s, 'ERR_NOT_SUPPORT' ); } return adapter; }, adapters: knownAdapters }