| | |
| | | return fileSizeMsg |
| | | } |
| | | |
| | | export function uuid(len = 32, radix = 16) { |
| | | const chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''); |
| | | let uuid = [], |
| | | i; |
| | | radix = radix || chars.length; |
| | | |
| | | if (len) { |
| | | // Compact form |
| | | for (i = 0; i < len; i++) uuid[i] = chars[0 | (Math.random() * radix)]; |
| | | } else { |
| | | // rfc4122, version 4 form |
| | | let r; |
| | | |
| | | // rfc4122 requires these characters |
| | | uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-'; |
| | | uuid[14] = '4'; |
| | | |
| | | // Fill in random data. At i==19 set the high bits of clock sequence as |
| | | // per rfc4122, sec. 4.1.5 |
| | | for (i = 0; i < 36; i++) { |
| | | if (!uuid[i]) { |
| | | r = 0 | (Math.random() * 16); |
| | | uuid[i] = chars[i === 19 ? (r & 0x3) | 0x8 : r]; |
| | | } |
| | | } |
| | | } |
| | | |
| | | return uuid.join(''); |
| | | } |
| | | |
| | | export default { |
| | | getFileSize |
| | | getFileSize, |
| | | uuid |
| | | } |