54 lines
1.1 KiB
JavaScript
54 lines
1.1 KiB
JavaScript
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export function FromNowAgo(timeString) {
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let time = new Date(timeString).getTime();
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if(time <= 0) {
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return 'NaN';
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}
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time = (new Date().getTime()) - time;
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time /= 1000;
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if (Math.abs(time) < 60) {
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return Math.round(time) + ' s';
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}
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time /= 60;
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if (Math.abs(time) < 60) {
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return Math.round(time) + ' m';
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}
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time /= 60;
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if (Math.abs(time) < 24) {
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return Math.round(time) + ' h';
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}
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time /= 24;
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return Math.round(time) + ' d';
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}
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/// Suppresses multiple rapid calls to a function, and instead calls the target function when a timeout has elapsed.
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export class Debouncer {
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constructor (timeoutMsec, description) {
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this.timeoutMsec = timeoutMsec;
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this.desc = description;
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this.timer = null;
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this.numCallsSkipped = 0;
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}
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run (actualFunction) {
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if (this.timer == null) {
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actualFunction();
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this.timer = window.setTimeout(() => {
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this.timer = null;
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if (this.numCallsSkipped > 0) {
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console.log("skipped " + this.numCallsSkipped + " " + this.desc + " calls; running " + this.desc + " now");
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this.numCallsSkipped = 0;
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this.run(actualFunction);
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}
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}, this.timeoutMsec);
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} else {
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this.numCallsSkipped++;
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}
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}
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};
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