74 lines
2 KiB
TypeScript
74 lines
2 KiB
TypeScript
export async function sleep(time: number) {
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await new Promise((resolve) => {
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setTimeout(() => resolve(null), time);
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});
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}
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export function downloadAsFile(filename: string, content: string) {
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const file = new Blob([content], {
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type: "text/plain",
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});
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const fileURL = URL.createObjectURL(file);
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downloadUsingAnchor(fileURL, filename);
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}
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export function downloadUsingAnchor(link: string, name: string) {
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const a = document.createElement("a");
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a.style.display = "none";
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a.href = link;
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a.download = name;
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document.body.appendChild(a);
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a.click();
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URL.revokeObjectURL(link);
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a.remove();
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}
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export function isPromise<T>(obj: T | Promise<T>): obj is Promise<T> {
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return obj && typeof (obj as any).then === "function";
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}
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export async function retryAsyncFunction<T>(
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request: (abort?: () => void) => Promise<T>,
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waitTimeBeforeNextTry?: number[],
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): Promise<T> {
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if (!waitTimeBeforeNextTry) waitTimeBeforeNextTry = [2000, 5000, 10000];
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for (
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let attemptNumber = 0;
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attemptNumber <= waitTimeBeforeNextTry.length;
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attemptNumber++
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) {
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try {
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const resp = await request();
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return resp;
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} catch (e) {
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if (attemptNumber === waitTimeBeforeNextTry.length) {
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throw e;
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}
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await sleep(waitTimeBeforeNextTry[attemptNumber]);
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}
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}
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}
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export const promiseWithTimeout = async <T>(
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request: Promise<T>,
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timeout: number,
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): Promise<T> => {
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const timeoutRef = { current: null };
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const rejectOnTimeout = new Promise<null>((_, reject) => {
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timeoutRef.current = setTimeout(
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() => reject(new Error("Operation timed out")),
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timeout,
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);
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});
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const requestWithTimeOutCancellation = async () => {
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const resp = await request;
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clearTimeout(timeoutRef.current);
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return resp;
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};
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return await Promise.race([
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requestWithTimeOutCancellation(),
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rejectOnTimeout,
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]);
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};
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