mirror of
https://github.com/discourse/discourse.git
synced 2024-11-25 21:23:43 +08:00
15 lines
503 B
JavaScript
15 lines
503 B
JavaScript
/*eslint no-bitwise:0 */
|
|
|
|
// http://stackoverflow.com/a/8809472/17174
|
|
export default function () {
|
|
let d = new Date().getTime();
|
|
if (window.performance && typeof window.performance.now === "function") {
|
|
d += performance.now(); //use high-precision timer if available
|
|
}
|
|
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) {
|
|
const r = (d + Math.random() * 16) % 16 | 0;
|
|
d = Math.floor(d / 16);
|
|
return (c === "x" ? r : (r & 0x3) | 0x8).toString(16);
|
|
});
|
|
}
|