61 lines
1.4 KiB
TypeScript
61 lines
1.4 KiB
TypeScript
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import * as hashes from 'jshashes';
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const hasher = new hashes.MD5();
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const hashCache = new Map<string, string>();
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export async function md5(data: string): Promise<string> {
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if (!hashCache.has(data)) {
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const hashHex = hasher.hex(data);
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hashCache.set(data, hashHex);
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}
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return hashCache.get(data)!;
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}
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export function sleep(ms: number) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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export async function share(text: string) {
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if (navigator.share) {
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await navigator.share({
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text,
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});
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}
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}
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export function ellipsize(text: string, maxLength: number) {
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if (text.length > maxLength) {
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return text.substring(0, maxLength) + '...';
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}
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return text;
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}
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export function cloneArrayBuffer(buffer) {
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const newBuffer = new ArrayBuffer(buffer.byteLength);
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new Uint8Array(newBuffer).set(new Uint8Array(buffer));
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return newBuffer;
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}
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export class AsyncLoop {
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public cancelled = false;
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constructor(private handler: any, private pauseBetween: number = 1000) {
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}
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public async start() {
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this.loop().then(() => {});
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}
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private async loop() {
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while (!this.cancelled) {
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try {
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await this.handler();
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} catch (e) {
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console.error(e);
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}
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await sleep(this.pauseBetween);
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}
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}
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}
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