83 lines
2.1 KiB
TypeScript
83 lines
2.1 KiB
TypeScript
import { AxiosDomainRequest } from './core/AxiosDomain';
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import Axios, {
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AxiosConstructor,
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AxiosRequestConfig,
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AxiosRequestHeaders,
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} from './core/Axios';
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import { CancelToken, CancelTokenConstructor, isCancel } from './core/cancel';
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import { isAxiosError } from './core/createError';
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import { mergeConfig } from './core/mergeConfig';
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import { createAdapter } from './adapter';
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import defaults from './defaults';
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export interface AxiosInstanceDefaults extends AxiosRequestConfig {
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/**
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* 请求头
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*/
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headers: Required<AxiosRequestHeaders>;
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}
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export interface AxiosInstance extends AxiosDomainRequest, Axios {
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/**
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* 默认请求配置
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*/
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defaults: AxiosInstanceDefaults;
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}
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export interface AxiosStatic extends AxiosInstance {
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/**
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* Axios 类
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*/
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Axios: AxiosConstructor;
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/**
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* 取消令牌
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*/
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CancelToken: CancelTokenConstructor;
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/**
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* 创建 axios 实例
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*
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* @param defaults 默认配置
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*/
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create(defaults?: AxiosRequestConfig): AxiosInstance;
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/**
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* 创建适配器
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*/
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createAdapter: typeof createAdapter;
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/**
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* 判断 Cancel
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*/
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isCancel: typeof isCancel;
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/**
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* 判断 AxiosError
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*/
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isAxiosError: typeof isAxiosError;
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}
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function createInstance(defaults: AxiosRequestConfig) {
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const context = new Axios(defaults);
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const instance = context.request as AxiosInstance;
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Object.assign(instance, context, {
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// instance.fork 内部调用了 context 的私有方法
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// 所以直接调用 instance.fork 会导致程序抛出无法访问 context 私有方法的异常
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// instance.fork 调用时 this 重新指向 context，解决此问题
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fork: context.fork.bind(context),
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});
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Object.setPrototypeOf(instance, Object.getPrototypeOf(context));
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return instance;
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}
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const axios = createInstance(defaults) as AxiosStatic;
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axios.Axios = Axios;
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axios.CancelToken = CancelToken;
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axios.create = function create(defaults) {
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return createInstance(mergeConfig(axios.defaults, defaults));
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};
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axios.createAdapter = createAdapter;
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axios.isCancel = isCancel;
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axios.isAxiosError = isAxiosError;
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export default axios;
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