30 lines
1.4 KiB
JavaScript
30 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ulid = ulid;
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const tuple_1 = require("./tuple");
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const integer_1 = require("./integer");
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const UintToBase32String_1 = require("./_internals/mappers/UintToBase32String");
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const padded10Mapper = (0, UintToBase32String_1.paddedUintToBase32StringMapper)(10);
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const padded8Mapper = (0, UintToBase32String_1.paddedUintToBase32StringMapper)(8);
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function ulidMapper(parts) {
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return (padded10Mapper(parts[0]) +
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padded8Mapper(parts[1]) +
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padded8Mapper(parts[2]));
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}
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function ulidUnmapper(value) {
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if (typeof value !== 'string' || value.length !== 26) {
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throw new Error('Unsupported type');
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}
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return [
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(0, UintToBase32String_1.uintToBase32StringUnmapper)(value.slice(0, 10)),
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(0, UintToBase32String_1.uintToBase32StringUnmapper)(value.slice(10, 18)),
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(0, UintToBase32String_1.uintToBase32StringUnmapper)(value.slice(18)),
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];
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}
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function ulid() {
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const timestampPartArbitrary = (0, integer_1.integer)({ min: 0, max: 0xffffffffffff });
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const randomnessPartOneArbitrary = (0, integer_1.integer)({ min: 0, max: 0xffffffffff });
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const randomnessPartTwoArbitrary = (0, integer_1.integer)({ min: 0, max: 0xffffffffff });
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return (0, tuple_1.tuple)(timestampPartArbitrary, randomnessPartOneArbitrary, randomnessPartTwoArbitrary).map(ulidMapper, ulidUnmapper);
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}
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