29 lines
572 B
TypeScript
29 lines
572 B
TypeScript
export function generateUUID(): string {
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if (
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typeof crypto !== "undefined" &&
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typeof crypto.randomUUID === "function"
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) {
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return crypto.randomUUID();
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}
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const bytes = new Uint8Array(16);
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crypto.getRandomValues(bytes);
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bytes[6] = (bytes[6] & 0x0f) | 0x40;
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bytes[8] = (bytes[8] & 0x3f) | 0x80;
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const hex = [...bytes].map((b) => b.toString(16).padStart(2, "0"));
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return (
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hex.slice(0, 4).join("") +
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"-" +
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hex.slice(4, 6).join("") +
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"-" +
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hex.slice(6, 8).join("") +
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"-" +
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hex.slice(8, 10).join("") +
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"-" +
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hex.slice(10, 16).join("")
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);
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}
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