[英]How to call a function after promise
JavaScript 菜鳥在這里。 缺乏對重要設計模式的了解。
this.getEventData(); < 在 promise 解決后,我怎么能稱它為 function? 那么我可以刪除 noobie setTimeout 嗎?
public onInit(): Promise<void> {
return super.onInit().then(_ => {
new Promise<void>((resolve: () => void, reject: (error: any) => void): void => {
this.context.aadHttpClientFactory
.getClient(APIAppRegID)
.then((client: AadHttpClient): void => {
this.httpClient = client;
resolve();
}, err => reject(err));
});
setTimeout(() => {
this.getEventData();
}, 1500);
});
}
promise 沒有任何意義。 你沒有使用它。 您可以刪除它:
public onInit(): Promise<void> {
return super.onInit().then(_ => {
this.context.aadHttpClientFactory
.getClient(APIAppRegID)
.then((client: AadHttpClient): void => {
this.httpClient = client;
this.getEventData();
});
});
}
async/await
版本:
async onInit(): Promise<void> {
await super.onInit();
this.httpClient = await this.context.aadHttpClientFactory.getClient(APIAppRegID);
this.getEventData();
}
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