60 lines
1.4 KiB
Plaintext
60 lines
1.4 KiB
Plaintext
import axios, { AxiosRequestConfig, Canceler } from 'axios';
|
|
|
|
import { isFunction } from '@/utils/is/index';
|
|
|
|
// 声明一个 Map 用于存储每个请求的标识 和 取消函数
|
|
let pendingMap = new Map<string, Canceler>();
|
|
|
|
export const getPendingUrl = (config: AxiosRequestConfig) => [config.method, config.url].join('&');
|
|
|
|
export class AxiosCanceler {
|
|
/**
|
|
* 添加请求
|
|
* @param {Object} config
|
|
*/
|
|
addPending(config: AxiosRequestConfig) {
|
|
this.removePending(config);
|
|
const url = getPendingUrl(config);
|
|
config.cancelToken =
|
|
config.cancelToken ||
|
|
new axios.CancelToken((cancel) => {
|
|
if (!pendingMap.has(url)) {
|
|
// 如果 pending 中不存在当前请求，则添加进去
|
|
pendingMap.set(url, cancel);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @description: 清空所有pending
|
|
*/
|
|
removeAllPending() {
|
|
pendingMap.forEach((cancel) => {
|
|
cancel && isFunction(cancel) && cancel();
|
|
});
|
|
pendingMap.clear();
|
|
}
|
|
|
|
/**
|
|
* 移除请求
|
|
* @param {Object} config
|
|
*/
|
|
removePending(config: AxiosRequestConfig) {
|
|
const url = getPendingUrl(config);
|
|
|
|
if (pendingMap.has(url)) {
|
|
// 如果在 pending 中存在当前请求标识，需要取消当前请求，并且移除
|
|
const cancel = pendingMap.get(url);
|
|
cancel && cancel(url);
|
|
pendingMap.delete(url);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @description: 重置
|
|
*/
|
|
reset(): void {
|
|
pendingMap = new Map<string, Canceler>();
|
|
}
|
|
}
|