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1.9 KiB
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1 line
1.9 KiB
Plaintext
{"version":3,"sources":["../src/index.ts","../src/common/ZError.ts","../src/decorators/singleton.ts"],"sourcesContent":["export { ZError } from './common/ZError'\nexport * from './decorators/singleton'","\nexport class ZError implements Error {\n code: string\n statusCode?: number\n message: string\n name: string\n\n constructor(statusCode: number, message: string) {\n this.statusCode = statusCode\n this.message = message\n }\n}\n","/**\n * 单例化一个class\n * 使用方法:\n * @singleton\n * class Test {}\n * new Test() === new Test() // returns `true`\n * 也可以不使用 decorator\n * const TestSingleton = singleton(Test)\n * new TestSingleton() === new TestSingleton() //returns 'true'\n */\n\nexport const SINGLETON_KEY = Symbol()\n\nexport type Singleton<T extends new (...args: any[]) => any> = T & {\n [SINGLETON_KEY]: T extends new (...args: any[]) => infer I ? I : never\n}\nexport const singleton = <T extends new (...args: any[]) => any>(classTarget: T) =>\n new Proxy(classTarget, {\n construct(target: Singleton<T>, argumentsList, newTarget) {\n // Skip proxy for children\n if (target.prototype !== newTarget.prototype) {\n return Reflect.construct(target, argumentsList, newTarget)\n }\n if (!target[SINGLETON_KEY]) {\n target[SINGLETON_KEY] = Reflect.construct(target, argumentsList, newTarget)\n }\n return target[SINGLETON_KEY]\n },\n })\n"],"mappings":";;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;ACCO,IAAM,SAAN,MAA8B;AAAA,EAMnC,YAAY,YAAoB,SAAiB;AAC/C,SAAK,aAAa;AAClB,SAAK,UAAU;AAAA,EACjB;AACF;;;ACAO,IAAM,gBAAgB,OAAO;AAK7B,IAAM,YAAY,CAAwC,gBAC/D,IAAI,MAAM,aAAa;AAAA,EACrB,UAAU,QAAsB,eAAe,WAAW;AAExD,QAAI,OAAO,cAAc,UAAU,WAAW;AAC5C,aAAO,QAAQ,UAAU,QAAQ,eAAe,SAAS;AAAA,IAC3D;AACA,QAAI,CAAC,OAAO,aAAa,GAAG;AAC1B,aAAO,aAAa,IAAI,QAAQ,UAAU,QAAQ,eAAe,SAAS;AAAA,IAC5E;AACA,WAAO,OAAO,aAAa;AAAA,EAC7B;AACF,CAAC;","names":[]} |