33 lines
757 B
TypeScript
33 lines
757 B
TypeScript
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export function throttle(func: () => void, limit: number) {
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let timer: any = null;
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return function () {
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if (!timer) {
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timer = setTimeout(() => {
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func();
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timer = null;
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}, limit);
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}
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};
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}
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// race for promises returns first promise that resolves
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export function race<T>(promises: Promise<T>[]): Promise<T> {
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return new Promise((resolve, reject) => {
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for (const p of promises) {
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p.then(resolve, reject);
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}
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});
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}
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export function timeout(ms: number): Promise<never> {
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return new Promise((_resolve, reject) =>
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setTimeout(() => {
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reject(new Error("timeout"));
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}, ms)
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);
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}
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export function sleep(ms: number): Promise<void> {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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