declare global { interface Number { bytesToReadable(decimals?: number): string; secondsToMilliseconds(): number; minutesToMilliseconds(): number; hoursToMilliseconds(): number; } } Number.prototype.bytesToReadable = function (decimals: number = 2) { const bytes = this.valueOf(); if (bytes === 0) return '0 Bytes'; const k = 1024; const dm = decimals < 0 ? 0 : decimals; const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; const i = Math.floor(Math.log(bytes) / Math.log(k)); return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]; }; Number.prototype.secondsToMilliseconds = function () { return this.valueOf() * 1000; }; Number.prototype.minutesToMilliseconds = function () { return this.valueOf() * (60).secondsToMilliseconds(); }; Number.prototype.hoursToMilliseconds = function () { return this.valueOf() * (60).minutesToMilliseconds(); }; export {};