65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
export const bytesToMegabytes = (bytes: number) => Math.floor(bytes / 1024 / 1024);
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export const megabytesToBytes = (mb: number) => Math.floor(mb * 1024 * 1024);
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export function bytesToHuman (bytes: number): string {
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if (bytes === 0) {
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return '0 kB';
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}
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const i = Math.floor(Math.log(bytes) / Math.log(1024));
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return `${Number((bytes / Math.pow(1024, i)).toFixed(2))} ${[ 'Bytes', 'kB', 'MB', 'GB', 'TB' ][i]}`;
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}
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export function megabytesToHuman (mb: number): string {
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return bytesToHuman(megabytesToBytes(mb));
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}
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export const randomInt = (low: number, high: number) => Math.floor(Math.random() * (high - low) + low);
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export const cleanDirectoryPath = (path: string) => path.replace(/(\/(\/*))|(^$)/g, '/');
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export const capitalize = (s: string) => s.charAt(0).toUpperCase() + s.slice(1).toLowerCase();
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export function fileBitsToString (mode: string, directory: boolean): string {
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const m = parseInt(mode, 8);
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let buf = '';
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'dalTLDpSugct?'.split('').forEach((c, i) => {
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if ((m & (1 << (32 - 1 - i))) !== 0) {
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buf = buf + c;
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}
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});
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if (buf.length === 0) {
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// If the file is directory, make sure it has the directory flag.
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if (directory) {
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buf = 'd';
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} else {
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buf = '-';
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}
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}
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'rwxrwxrwx'.split('').forEach((c, i) => {
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if ((m & (1 << (9 - 1 - i))) !== 0) {
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buf = buf + c;
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} else {
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buf = buf + '-';
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}
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});
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return buf;
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}
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/**
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* URL-encodes the segments of a path.
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* This allows to use the path as part of a URL while preserving the slashes.
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* @param path the path to encode
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*/
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export function encodePathSegments (path: string): string {
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return path.split('/').map(s => encodeURIComponent(s)).join('/');
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}
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export function hashToPath (hash: string): string {
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return hash.length > 0 ? decodeURIComponent(hash.substr(1)) : '/';
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}
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