tav-ui
Version:
37 lines (35 loc) • 997 B
JavaScript
const hexList = [];
for (let i = 0; i <= 15; i++) {
hexList[i] = i.toString(16);
}
function buildUUID() {
let uuid = "";
for (let i = 1; i <= 36; i++) {
if (i === 9 || i === 14 || i === 19 || i === 24) {
uuid += "-";
} else if (i === 15) {
uuid += 4;
} else if (i === 20) {
uuid += hexList[Math.random() * 4 | 8];
} else {
uuid += hexList[Math.random() * 16 | 0];
}
}
return uuid.replace(/-/g, "");
}
let unique = 0;
function buildShortUUID(prefix = "") {
const time = Date.now();
const random = Math.floor(Math.random() * 1e9);
unique++;
return `${prefix}_${random}${unique}${String(time)}`;
}
const nanoid = (e = 21, urlAlphabet = "useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict") => {
let t = "";
const r = crypto.getRandomValues(new Uint8Array(e));
for (let n = 0; n < e; n++)
t += urlAlphabet[63 & r[n]];
return t;
};
export { buildShortUUID, buildUUID, nanoid };
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