37 lines
1.8 KiB
JavaScript
37 lines
1.8 KiB
JavaScript
import { tuple } from './tuple.js';
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import { buildPaddedNumberArbitrary } from './_internals/builders/PaddedNumberArbitraryBuilder.js';
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import { paddedEightsToUuidMapper, paddedEightsToUuidUnmapper } from './_internals/mappers/PaddedEightsToUuid.js';
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import { Error } from '../utils/globals.js';
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import { buildVersionsAppliersForUuid } from './_internals/mappers/VersionsApplierForUuid.js';
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function assertValidVersions(versions) {
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const found = {};
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for (const version of versions) {
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if (found[version]) {
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throw new Error(`Version ${version} has been requested at least twice for uuid`);
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}
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found[version] = true;
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if (version < 1 || version > 15) {
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throw new Error(`Version must be a value in [1-15] for uuid, but received ${version}`);
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}
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if (~~version !== version) {
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throw new Error(`Version must be an integer value for uuid, but received ${version}`);
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}
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}
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if (versions.length === 0) {
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throw new Error(`Must provide at least one version for uuid`);
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}
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}
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export function uuid(constraints = {}) {
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const padded = buildPaddedNumberArbitrary(0, 0xffffffff);
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const version = constraints.version !== undefined
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? typeof constraints.version === 'number'
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? [constraints.version]
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: constraints.version
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: [1, 2, 3, 4, 5];
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assertValidVersions(version);
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const { versionsApplierMapper, versionsApplierUnmapper } = buildVersionsAppliersForUuid(version);
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const secondPadded = buildPaddedNumberArbitrary(0, 0x10000000 * version.length - 1).map(versionsApplierMapper, versionsApplierUnmapper);
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const thirdPadded = buildPaddedNumberArbitrary(0x80000000, 0xbfffffff);
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return tuple(padded, secondPadded, thirdPadded, padded).map(paddedEightsToUuidMapper, paddedEightsToUuidUnmapper);
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}
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