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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 1x 1x 8x 4x 4x 2x 2x 5x 3x | import { v4 as generateUUID } from 'uuid'; import type { Flattable } from './Flattable'; import type { ITypeBuilder } from '../typeBuilder'; export class Guid implements Flattable<Guid.Flatten> { public constructor( public readonly guidString: string ) {} public static from(value: string): Guid { const regex = /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/u; if (!regex.test(value)) throw new Error('Could not parse Guid, guid string is invalid.'); return new Guid(value.toLowerCase()); } public static generate(): Guid { return new Guid(generateUUID()); } public get flatten(): Guid.Flatten { return this.guidString; } } // istanbul ignore next export namespace Guid { export type Flatten = string; export class TypeBuilder implements ITypeBuilder<Flatten, Guid> { public build(value: Flatten): Guid { return Guid.from(value); } } export const builder = new TypeBuilder(); } |