2022-11-30 15:44:23 -05:00
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.uuidV4 = void 0;
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2022-12-30 11:30:03 -05:00
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/**
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* Explain UUID and link to RFC here.
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*
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* @_subsection: api/utils:UUID [about-uuid]
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*/
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2022-11-30 15:44:23 -05:00
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const data_js_1 = require("./data.js");
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/**
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* Returns the version 4 [[link-uuid]] for the %%randomBytes%%.
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*
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* @see: https://www.ietf.org/rfc/rfc4122.txt (Section 4.4)
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*/
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function uuidV4(randomBytes) {
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const bytes = (0, data_js_1.getBytes)(randomBytes, "randomBytes");
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// Section: 4.1.3:
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// - time_hi_and_version[12:16] = 0b0100
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bytes[6] = (bytes[6] & 0x0f) | 0x40;
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// Section 4.4
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// - clock_seq_hi_and_reserved[6] = 0b0
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// - clock_seq_hi_and_reserved[7] = 0b1
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bytes[8] = (bytes[8] & 0x3f) | 0x80;
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const value = (0, data_js_1.hexlify)(bytes);
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return [
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value.substring(2, 10),
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value.substring(10, 14),
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value.substring(14, 18),
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value.substring(18, 22),
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value.substring(22, 34),
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].join("-");
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}
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exports.uuidV4 = uuidV4;
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//# sourceMappingURL=uuid.js.map
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