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22 lines
619 B
JavaScript
22 lines
619 B
JavaScript
import native from './native.js';
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import rng from './rng.js';
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import { unsafeStringify } from './stringify.js';
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function v4(options, buf, offset) {
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if (native.randomUUID && !buf && !options) {
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return native.randomUUID();
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}
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options = options || {};
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const rnds = options.random || (options.rng || rng)();
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rnds[6] = (rnds[6] & 0x0f) | 0x40;
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rnds[8] = (rnds[8] & 0x3f) | 0x80;
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if (buf) {
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offset = offset || 0;
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for (let i = 0; i < 16; ++i) {
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buf[offset + i] = rnds[i];
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}
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return buf;
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}
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return unsafeStringify(rnds);
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}
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export default v4;
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