95 lines
2.4 KiB
TypeScript
95 lines
2.4 KiB
TypeScript
const byteUnits = ['B', 'kB', 'MB', 'GB', 'TB'];
|
|
|
|
export function getBytesUnit(bytes: number): string {
|
|
if (isNaN(bytes) || !isFinite(bytes)) {
|
|
return 'B';
|
|
}
|
|
|
|
let unitIndex = 0;
|
|
while (unitIndex < byteUnits.length && bytes > 1024) {
|
|
unitIndex++;
|
|
bytes /= 1024;
|
|
}
|
|
|
|
return byteUnits[unitIndex];
|
|
}
|
|
|
|
export function formatBytes(bytes: number, toUnit: string, skipUnit = false): string {
|
|
if (isNaN(bytes) || !isFinite(bytes)) {
|
|
return `${bytes}`;
|
|
}
|
|
|
|
let unitIndex = 0;
|
|
while (unitIndex < byteUnits.length && (toUnit && byteUnits[unitIndex] !== toUnit || (!toUnit && bytes > 1024))) {
|
|
unitIndex++;
|
|
bytes /= 1024;
|
|
}
|
|
|
|
return `${bytes.toFixed(2)}${skipUnit ? '' : ' ' + byteUnits[unitIndex]}`;
|
|
}
|
|
|
|
// https://stackoverflow.com/a/64235212
|
|
export function hex2bin(hex: string): string {
|
|
if (!hex) {
|
|
return '';
|
|
}
|
|
|
|
hex = hex.replace('0x', '').toLowerCase();
|
|
let out = '';
|
|
|
|
for (const c of hex) {
|
|
switch (c) {
|
|
case '0': out += '0000'; break;
|
|
case '1': out += '0001'; break;
|
|
case '2': out += '0010'; break;
|
|
case '3': out += '0011'; break;
|
|
case '4': out += '0100'; break;
|
|
case '5': out += '0101'; break;
|
|
case '6': out += '0110'; break;
|
|
case '7': out += '0111'; break;
|
|
case '8': out += '1000'; break;
|
|
case '9': out += '1001'; break;
|
|
case 'a': out += '1010'; break;
|
|
case 'b': out += '1011'; break;
|
|
case 'c': out += '1100'; break;
|
|
case 'd': out += '1101'; break;
|
|
case 'e': out += '1110'; break;
|
|
case 'f': out += '1111'; break;
|
|
default: return '';
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
export function bin2hex(bin: string): string {
|
|
if (!bin) {
|
|
return '';
|
|
}
|
|
|
|
let out = '';
|
|
|
|
for (let i = 0; i < bin.length; i += 4) {
|
|
const c = bin.substring(i, i + 4);
|
|
switch (c) {
|
|
case '0000': out += '0'; break;
|
|
case '0001': out += '1'; break;
|
|
case '0010': out += '2'; break;
|
|
case '0011': out += '3'; break;
|
|
case '0100': out += '4'; break;
|
|
case '0101': out += '5'; break;
|
|
case '0110': out += '6'; break;
|
|
case '0111': out += '7'; break;
|
|
case '1000': out += '8'; break;
|
|
case '1001': out += '9'; break;
|
|
case '1010': out += 'a'; break;
|
|
case '1011': out += 'b'; break;
|
|
case '1100': out += 'c'; break;
|
|
case '1101': out += 'd'; break;
|
|
case '1110': out += 'e'; break;
|
|
case '1111': out += 'f'; break;
|
|
default: return '';
|
|
}
|
|
}
|
|
|
|
return out;
|
|
} |