38 lines
1 KiB
TypeScript
38 lines
1 KiB
TypeScript
const _CONVERSION_UNIT = 1024;
|
|
|
|
/**
|
|
* Given a value in megabytes converts it back down into bytes.
|
|
*/
|
|
function mbToBytes(megabytes: number): number {
|
|
return Math.floor(megabytes * _CONVERSION_UNIT * _CONVERSION_UNIT);
|
|
}
|
|
|
|
/**
|
|
* Given an amount of bytes, converts them into a human-readable string format
|
|
* using "1024" as the divisor.
|
|
*/
|
|
function bytesToString(bytes: number, decimals = 2): string {
|
|
const k = _CONVERSION_UNIT;
|
|
|
|
if (bytes < 1) return '0 Bytes';
|
|
|
|
decimals = Math.floor(Math.max(0, decimals));
|
|
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
|
const value = Number((bytes / Math.pow(k, i)).toFixed(decimals));
|
|
|
|
return `${value} ${['Bytes', 'KiB', 'MiB', 'GiB', 'TiB'][i]}`;
|
|
}
|
|
|
|
/**
|
|
* Formats an IPv4 or IPv6 address.
|
|
*/
|
|
function ip(value: string): string {
|
|
// Check if the value is already formatted.
|
|
if (value.length > 0 && value[0] === '[') {
|
|
return value;
|
|
}
|
|
|
|
return /([a-f0-9:]+:+)+[a-f0-9]+/.test(value) ? `[${value}]` : value;
|
|
}
|
|
|
|
export { ip, mbToBytes, bytesToString };
|