Last change
on this file since bdd6491 was e29cc2e, checked in by Ema <ema_spirova@…>, 3 years ago |
primeNG components
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Property mode
set to
100644
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File size:
680 bytes
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[6a3a178] | 1 | var rng = require('./lib/rng');
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| 2 | var bytesToUuid = require('./lib/bytesToUuid');
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| 3 |
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| 4 | function v4(options, buf, offset) {
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| 5 | var i = buf && offset || 0;
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| 6 |
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| 7 | if (typeof(options) == 'string') {
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| 8 | buf = options === 'binary' ? new Array(16) : null;
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| 9 | options = null;
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| 10 | }
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| 11 | options = options || {};
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| 12 |
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| 13 | var rnds = options.random || (options.rng || rng)();
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| 14 |
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| 15 | // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
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| 16 | rnds[6] = (rnds[6] & 0x0f) | 0x40;
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| 17 | rnds[8] = (rnds[8] & 0x3f) | 0x80;
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| 18 |
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| 19 | // Copy bytes to buffer, if provided
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| 20 | if (buf) {
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| 21 | for (var ii = 0; ii < 16; ++ii) {
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| 22 | buf[i + ii] = rnds[ii];
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| 23 | }
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| 24 | }
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| 25 |
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| 26 | return buf || bytesToUuid(rnds);
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| 27 | }
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| 28 |
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| 29 | module.exports = v4;
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