48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parseUUID = void 0;
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/**
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* UUID regular expression pattern copied from `uuid` npm module.
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* @see https://github.com/uuidjs/uuid/blob/master/src/regex.js
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*/
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const UUID_RX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
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/**
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* Parser function copied from `uuid` npm module.
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* @see https://github.com/uuidjs/uuid/blob/master/src/parse.js
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* @internal
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*/
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function parseUUID(uuid) {
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if (typeof uuid !== 'string') {
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throw new TypeError('Invalid type for UUID, expected string but got ' + typeof uuid);
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}
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if (!UUID_RX.test(uuid)) {
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throw new TypeError('Invalid format for UUID: ' + uuid);
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}
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let v;
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const arr = new Uint8Array(16);
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// Parse ########-....-....-....-............
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arr[0] = (v = parseInt(uuid.slice(0, 8), 16)) >>> 24;
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arr[1] = (v >>> 16) & 0xff;
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arr[2] = (v >>> 8) & 0xff;
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arr[3] = v & 0xff;
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// Parse ........-####-....-....-............
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arr[4] = (v = parseInt(uuid.slice(9, 13), 16)) >>> 8;
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arr[5] = v & 0xff;
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// Parse ........-....-####-....-............
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arr[6] = (v = parseInt(uuid.slice(14, 18), 16)) >>> 8;
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arr[7] = v & 0xff;
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// Parse ........-....-....-####-............
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arr[8] = (v = parseInt(uuid.slice(19, 23), 16)) >>> 8;
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arr[9] = v & 0xff;
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// Parse ........-....-....-....-############
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// (Use "/" to avoid 32-bit truncation when bit-shifting high-order bytes)
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arr[10] = ((v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000) & 0xff;
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arr[11] = (v / 0x100000000) & 0xff;
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arr[12] = (v >>> 24) & 0xff;
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arr[13] = (v >>> 16) & 0xff;
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arr[14] = (v >>> 8) & 0xff;
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arr[15] = v & 0xff;
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return arr;
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}
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exports.parseUUID = parseUUID;
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//# sourceMappingURL=uuid.js.map
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