74 lines
1.8 KiB
TypeScript
74 lines
1.8 KiB
TypeScript
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import PhoneNumber from "awesome-phonenumber";
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export function getNationalNumber(input: string) {
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const number = new PhoneNumber(input);
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if (!number.isValid()) {
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throw new Error(`Invalid number: ${input}`);
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}
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return number.getNumber("national");
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}
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export function formatSeconds(input: number) {
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const minutes = String(Math.trunc(input / 60)).padStart(2, "0");
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const seconds = String(input % 60).padStart(2, "0");
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return `${minutes}:${seconds}`;
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}
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type AsyncInterval = {
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promise?: Promise<any>;
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timeout?: NodeJS.Timeout;
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stop: boolean;
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clear(): Promise<any> | undefined;
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};
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/**
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* Similar to setInterval, except the next execution of `cb` will not happen
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* until `interval` ms after the Promise returned by `cb` has settled.
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*
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* @param cb a callback which returns a Promise
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* @param interval ms delay between executions of cb
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* @param immediate whether to do an immediate execution of cb (don't first
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* wait for interval)
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*
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* @returns an AsyncInterval object which tracks the state of the interval,
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* and provides a clear() method to clear it similar to clearInterval
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*/
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export function setAsyncInterval(
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cb: () => Promise<any>,
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interval: number,
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immediate = false
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) {
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const asyncInterval: AsyncInterval = {
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stop: false,
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clear() {
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this.stop = true;
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if (this.timeout) {
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clearTimeout(this.timeout);
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this.timeout = undefined;
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}
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return this.promise;
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},
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};
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function refreshTimeout() {
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if (!asyncInterval.stop) {
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asyncInterval.timeout = setTimeout(run, interval);
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}
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}
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function run() {
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const promise = cb();
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asyncInterval.promise = promise;
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promise.finally(refreshTimeout);
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return promise;
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}
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if (immediate) {
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asyncInterval.promise = cb().finally(refreshTimeout);
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} else {
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refreshTimeout();
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}
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return asyncInterval;
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}
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