@synstack/enhance/dist/enhance.index.cjs.map

Type-safe object enhancement with proxy-based method extension

{"version":3,"sources":["../src/enhance.index.ts","../src/enhance.lib.ts"],"sourcesContent":["export * from \"./enhance.lib.ts\";\n","export const ENHANCER_NAME = Symbol(\"EnhancerName\");\n\n// The order of the types is important as it affects overriding\nexport type Enhanced<\n  TName extends string,\n  TBaseObject extends object,\n  TExtension extends object,\n> = { $: TBaseObject; [ENHANCER_NAME]: TName } & TExtension & TBaseObject;\n\nexport const enhance = <\n  TName extends string,\n  TBaseObject extends object | (object & { [ENHANCER_NAME]: TName; $: object }),\n  TExtension extends object,\n>(\n  name: TName,\n  obj: TBaseObject,\n  extendObj: TExtension,\n) => {\n  // If the object is already enhanced, we use the original object\n  const _obj =\n    ENHANCER_NAME in obj && obj[ENHANCER_NAME] === name ? obj.$ : obj;\n  return new Proxy(_obj, {\n    get(target: TBaseObject, prop: string | number | symbol, receiver: any) {\n      // We add a $ property to the base object to allow access to the original object\n      if (prop === \"$\" || prop === \"valueOf\" || prop === Symbol.toPrimitive)\n        return () => _obj;\n      // eslint-disable-next-line @typescript-eslint/no-base-to-string\n      if (prop === \"toString\") return () => obj.toString();\n      if (prop === ENHANCER_NAME) return name;\n      if (prop in extendObj)\n        // @ts-expect-error - We know that the property exists\n        return extendObj[prop].bind(target);\n\n      return Reflect.get(target, prop, receiver);\n    },\n  }) as unknown as Enhanced<TName, TBaseObject, TExtension>;\n};\n\nexport const enhanceFactory =\n  <TName extends string, TExtension extends object>(\n    name: TName,\n    extendObj: TExtension,\n  ) =>\n  <\n    TBaseObject extends\n      | object\n      | (object & { [ENHANCER_NAME]: TName; $: object }),\n  >(\n    obj: TBaseObject,\n  ) =>\n    enhance(name, obj, extendObj);\n"],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;ACAO,IAAM,gBAAgB,OAAO,cAAc;AAS3C,IAAM,UAAU,CAKrB,MACA,KACA,cACG;AAEH,QAAM,OACJ,iBAAiB,OAAO,IAAI,aAAa,MAAM,OAAO,IAAI,IAAI;AAChE,SAAO,IAAI,MAAM,MAAM;AAAA,IACrB,IAAI,QAAqB,MAAgC,UAAe;AAEtE,UAAI,SAAS,OAAO,SAAS,aAAa,SAAS,OAAO;AACxD,eAAO,MAAM;AAEf,UAAI,SAAS,WAAY,QAAO,MAAM,IAAI,SAAS;AACnD,UAAI,SAAS,cAAe,QAAO;AACnC,UAAI,QAAQ;AAEV,eAAO,UAAU,IAAI,EAAE,KAAK,MAAM;AAEpC,aAAO,QAAQ,IAAI,QAAQ,MAAM,QAAQ;AAAA,IAC3C;AAAA,EACF,CAAC;AACH;AAEO,IAAM,iBACX,CACE,MACA,cAEF,CAKE,QAEA,QAAQ,MAAM,KAAK,SAAS;","names":[]}