16 lines
449 B
JavaScript
16 lines
449 B
JavaScript
|
|
function uuid() {
|
||
|
|
let s = [];
|
||
|
|
let hexDigits = '0123456789abcdef';
|
||
|
|
for (let i = 0; i < 36; i++) {
|
||
|
|
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
|
||
|
|
}
|
||
|
|
s[14] = '4'; // bits 12-15 of the time_hi_and_version field to 0010
|
||
|
|
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
|
||
|
|
s[8] = s[13] = s[18] = s[23] = '-';
|
||
|
|
|
||
|
|
let uuid = s.join('');
|
||
|
|
return uuid;
|
||
|
|
}
|
||
|
|
|
||
|
|
export default uuid;
|