197 lines
5.3 KiB
JavaScript
197 lines
5.3 KiB
JavaScript
'use strict';
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import utils from './../utils.js';
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import buildURL from '../helpers/buildURL.js';
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import InterceptorManager from './InterceptorManager.js';
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import dispatchRequest from './dispatchRequest.js';
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import mergeConfig from './mergeConfig.js';
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import buildFullPath from './buildFullPath.js';
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import validator from '../helpers/validator.js';
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import AxiosHeaders from './AxiosHeaders.js';
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const validators = validator.validators;
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/**
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* Create a new instance of Axios
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*
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* @param {Object} instanceConfig The default config for the instance
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*
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* @return {Axios} A new instance of Axios
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*/
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class Axios {
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constructor(instanceConfig) {
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this.defaults = instanceConfig;
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this.interceptors = {
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request: new InterceptorManager(),
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response: new InterceptorManager()
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};
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}
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/**
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* Dispatch a request
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*
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* @param {String|Object} configOrUrl The config specific for this request (merged with this.defaults)
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* @param {?Object} config
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*
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* @returns {Promise} The Promise to be fulfilled
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*/
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request(configOrUrl, config) {
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/*eslint no-param-reassign:0*/
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// Allow for axios('example/url'[, config]) a la fetch API
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if (typeof configOrUrl === 'string') {
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config = config || {};
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config.url = configOrUrl;
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} else {
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config = configOrUrl || {};
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}
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config = mergeConfig(this.defaults, config);
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const {transitional, paramsSerializer, headers} = config;
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if (transitional !== undefined) {
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validator.assertOptions(transitional, {
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silentJSONParsing: validators.transitional(validators.boolean),
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forcedJSONParsing: validators.transitional(validators.boolean),
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clarifyTimeoutError: validators.transitional(validators.boolean)
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}, false);
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}
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if (paramsSerializer !== undefined) {
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validator.assertOptions(paramsSerializer, {
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encode: validators.function,
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serialize: validators.function
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}, true);
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}
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// Set config.method
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config.method = (config.method || this.defaults.method || 'get').toLowerCase();
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let contextHeaders;
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// Flatten headers
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contextHeaders = headers && utils.merge(
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headers.common,
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headers[config.method]
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);
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contextHeaders && utils.forEach(
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['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
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(method) => {
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delete headers[method];
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}
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);
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config.headers = AxiosHeaders.concat(contextHeaders, headers);
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// filter out skipped interceptors
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const requestInterceptorChain = [];
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let synchronousRequestInterceptors = true;
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this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
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if (typeof interceptor.runWhen === 'function' && interceptor.runWhen(config) === false) {
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return;
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}
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synchronousRequestInterceptors = synchronousRequestInterceptors && interceptor.synchronous;
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requestInterceptorChain.unshift(interceptor.fulfilled, interceptor.rejected);
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});
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const responseInterceptorChain = [];
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this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
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responseInterceptorChain.push(interceptor.fulfilled, interceptor.rejected);
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});
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let promise;
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let i = 0;
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let len;
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if (!synchronousRequestInterceptors) {
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const chain = [dispatchRequest.bind(this), undefined];
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chain.unshift.apply(chain, requestInterceptorChain);
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chain.push.apply(chain, responseInterceptorChain);
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len = chain.length;
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promise = Promise.resolve(config);
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while (i < len) {
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promise = promise.then(chain[i++], chain[i++]);
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}
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return promise;
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}
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len = requestInterceptorChain.length;
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let newConfig = config;
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i = 0;
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while (i < len) {
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const onFulfilled = requestInterceptorChain[i++];
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const onRejected = requestInterceptorChain[i++];
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try {
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newConfig = onFulfilled(newConfig);
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} catch (error) {
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onRejected.call(this, error);
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break;
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}
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}
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try {
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promise = dispatchRequest.call(this, newConfig);
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} catch (error) {
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return Promise.reject(error);
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}
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i = 0;
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len = responseInterceptorChain.length;
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while (i < len) {
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promise = promise.then(responseInterceptorChain[i++], responseInterceptorChain[i++]);
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}
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return promise;
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}
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getUri(config) {
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config = mergeConfig(this.defaults, config);
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const fullPath = buildFullPath(config.baseURL, config.url);
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return buildURL(fullPath, config.params, config.paramsSerializer);
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}
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}
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// Provide aliases for supported request methods
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utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
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/*eslint func-names:0*/
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Axios.prototype[method] = function(url, config) {
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return this.request(mergeConfig(config || {}, {
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method,
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url,
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data: (config || {}).data
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}));
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};
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});
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utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
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/*eslint func-names:0*/
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function generateHTTPMethod(isForm) {
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return function httpMethod(url, data, config) {
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return this.request(mergeConfig(config || {}, {
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method,
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headers: isForm ? {
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'Content-Type': 'multipart/form-data'
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} : {},
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url,
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data
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}));
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};
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}
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Axios.prototype[method] = generateHTTPMethod();
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Axios.prototype[method + 'Form'] = generateHTTPMethod(true);
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});
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export default Axios;
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