Axios.ts
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import type { AxiosRequestConfig, AxiosInstance, AxiosResponse } from 'axios';
import axios from 'axios';
import { AxiosCanceler } from './axiosCancel';
import { isFunction } from '/@/utils/is';
import { cloneDeep } from 'lodash-es';
import type { RequestOptions, CreateAxiosOptions, Result, UploadFileParams } from './types';
// import { ContentTypeEnum } from '/@/enums/httpEnum';
import { errorResult } from './const';
import { ContentTypeEnum } from '/@/enums/httpEnum';
export * from './axiosTransform';
/**
* @description: axios模块
*/
export class VAxios {
private axiosInstance: AxiosInstance;
private options: CreateAxiosOptions;
constructor(options: CreateAxiosOptions) {
this.options = options;
this.axiosInstance = axios.create(options);
this.setupInterceptors();
}
/**
* @description: 创建axios实例
*/
private createAxios(config: CreateAxiosOptions): void {
this.axiosInstance = axios.create(config);
}
private getTransform() {
const { transform } = this.options;
return transform;
}
getAxios(): AxiosInstance {
return this.axiosInstance;
}
/**
* @description: 重新配置axios
*/
configAxios(config: CreateAxiosOptions) {
if (!this.axiosInstance) {
return;
}
this.createAxios(config);
}
/**
* @description: 设置通用header
*/
setHeader(headers: any): void {
if (!this.axiosInstance) {
return;
}
Object.assign(this.axiosInstance.defaults.headers, headers);
}
/**
* @description: 拦截器配置
*/
private setupInterceptors() {
const transform = this.getTransform();
if (!transform) {
return;
}
const {
requestInterceptors,
requestInterceptorsCatch,
responseInterceptors,
responseInterceptorsCatch,
} = transform;
const axiosCanceler = new AxiosCanceler();
// 请求拦截器配置处理
this.axiosInstance.interceptors.request.use((config: AxiosRequestConfig) => {
const { headers: { ignoreCancelToken } = { ignoreCancelToken: false } } = config;
!ignoreCancelToken && axiosCanceler.addPending(config);
if (requestInterceptors && isFunction(requestInterceptors)) {
config = requestInterceptors(config);
}
return config;
}, undefined);
// 请求拦截器错误捕获
requestInterceptorsCatch &&
isFunction(requestInterceptorsCatch) &&
this.axiosInstance.interceptors.request.use(undefined, requestInterceptorsCatch);
// 响应结果拦截器处理
this.axiosInstance.interceptors.response.use((res: AxiosResponse<any>) => {
res && axiosCanceler.removePending(res.config);
if (responseInterceptors && isFunction(responseInterceptors)) {
res = responseInterceptors(res);
}
return res;
}, undefined);
// 响应结果拦截器错误捕获
responseInterceptorsCatch &&
isFunction(responseInterceptorsCatch) &&
this.axiosInstance.interceptors.response.use(undefined, responseInterceptorsCatch);
}
/**
* @description: 文件上传
*/
uploadFile<T = any>(config: AxiosRequestConfig, params: UploadFileParams) {
const formData = new window.FormData();
if (params.data) {
Object.keys(params.data).forEach((key) => {
if (!params.data) return;
const value = params.data[key];
// support key-value array data
if (Array.isArray(value)) {
value.forEach((item) => {
// { list: [ 11, 22 ] }
// formData.append('list[]', 11);
formData.append(`${key}[]`, item);
});
return;
}
formData.append(key, params.data[key]);
});
}
formData.append(params.name || 'file', params.file, params.filename);
return this.axiosInstance.request<T>({
...config,
method: 'POST',
data: formData,
headers: {
'Content-type': ContentTypeEnum.FORM_DATA,
ignoreCancelToken: true,
},
});
}
/**
* @description: 请求方法
*/
request<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
let conf: AxiosRequestConfig = cloneDeep(config);
const transform = this.getTransform();
const { requestOptions } = this.options;
const opt: RequestOptions = Object.assign({}, requestOptions, options);
const { beforeRequestHook, requestCatch, transformRequestData } = transform || {};
if (beforeRequestHook && isFunction(beforeRequestHook)) {
conf = beforeRequestHook(conf, opt);
}
return new Promise((resolve, reject) => {
this.axiosInstance
.request<any, AxiosResponse<Result>>(conf)
.then((res: AxiosResponse<Result>) => {
if (transformRequestData && isFunction(transformRequestData)) {
const ret = transformRequestData(res, opt);
ret !== errorResult ? resolve(ret) : reject(new Error('request error!'));
return;
}
resolve((res as unknown) as Promise<T>);
})
.catch((e: Error) => {
if (requestCatch && isFunction(requestCatch)) {
reject(requestCatch(e));
return;
}
reject(e);
});
});
}
}