75 lines
1.5 KiB
TypeScript
75 lines
1.5 KiB
TypeScript
/**
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* 全局事件类
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* 此类中的方法能在子应用中调用用于操作主应用路由或者设置主应用状态等
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*/
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import { Dispatch, getDvaApp } from 'umi';
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type EventItem = {
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type: string,
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payload: any
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}
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function getDvaAppCorrect() {
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return new Promise((resolve) => {
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try {
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resolve(getDvaApp())
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} catch(e) {
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setTimeout(async () => {
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const app = await getDvaAppCorrect();
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resolve(app);
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}, 100)
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}
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});
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}
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class GlobalEvent {
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private dispatch: Dispatch | null = null;
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private eventStack: EventItem[] = [];
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private app: any | null = null;
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constructor() {
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this.initApp();
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}
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private async initApp() {
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this.app = await getDvaAppCorrect();
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this.dispatch = this.app._store.dispatch;
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console.info('this.app', this.app);
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this.clearStack();
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}
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private clearStack() {
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while(this.eventStack.length) {
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this.do(this.eventStack.splice(0, 1)[0]);
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}
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}
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private async do(eventItem: EventItem) {
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if (!this.dispatch) {
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this.eventStack.push(eventItem);
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return;
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} else {
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this.dispatch(eventItem);
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}
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}
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// 移除tab
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public tabRemove(pathname: string) {
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if (!pathname) {
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console.error('移除tab缺少pathname参数');
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return;
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}
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this.do({
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type: 'global/changeTabsRoutes',
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payload: { data: pathname, action: 'remove' },
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})
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}
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// 添加tab
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public tabAdd(pathname: string, state: any) {
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this.app._history.push(pathname, state);
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}
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}
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export default GlobalEvent; |