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