34 lines
961 B
TypeScript
34 lines
961 B
TypeScript
const _CONVERSION_UNIT = 1024;
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/**
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* Given a value in megabytes converts it back down into bytes.
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*/
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function mbToBytes(megabytes: number): number {
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return Math.floor(megabytes * _CONVERSION_UNIT * _CONVERSION_UNIT);
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}
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/**
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* Given an amount of bytes, converts them into a human readable string format
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* using "1024" as the divisor.
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*/
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function bytesToString(bytes: number, decimals = 2): string {
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const k = _CONVERSION_UNIT;
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if (bytes < 1) return '0 Bytes';
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decimals = Math.floor(Math.max(0, decimals));
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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const value = Number((bytes / Math.pow(k, i)).toFixed(decimals));
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return `${value} ${['Bytes', 'KB', 'MB', 'GB', 'TB'][i]}`;
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}
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/**
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* Formats an IPv4 or IPv6 address.
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*/
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function ip(value: string): string {
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// noinspection RegExpSimplifiable
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return /([a-f0-9:]+:+)+[a-f0-9]+/.test(value) ? `[${value}]` : value;
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}
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export { ip, mbToBytes, bytesToString };
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