43 lines
816 B
TypeScript
43 lines
816 B
TypeScript
const hexList: string[] = [];
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for (let i = 0; i <= 15; i++) {
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hexList[i] = i.toString(16);
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}
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export function buildUUID(): string {
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let uuid = '';
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for (let i = 1; i <= 36; i++) {
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switch (i) {
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case 9:
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case 14:
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case 19:
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case 24: {
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uuid += '-';
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break;
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}
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case 15: {
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uuid += 4;
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break;
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}
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case 20: {
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uuid += hexList[(Math.random() * 4) | 8];
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break;
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}
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default: {
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uuid += hexList[Math.trunc(Math.random() * 16)];
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}
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}
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}
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return uuid.replaceAll('-', '');
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}
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let unique = 0;
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export function buildShortUUID(prefix = ''): string {
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const time = Date.now();
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const random = Math.floor(Math.random() * 1_000_000_000);
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unique++;
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return `${prefix}_${random}${unique}${String(time)}`;
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}
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