@tanstack/angular-query-experimental/signal-proxy.mjs.map

Signals for managing, caching and syncing asynchronous and remote data in Angular

{"version":3,"file":"signal-proxy.mjs","sources":["../src/signal-proxy.ts"],"sourcesContent":["import { computed, untracked } from '@angular/core'\nimport type { Signal } from '@angular/core'\n\nexport type MapToSignals<T> = {\n  [K in keyof T]: T[K] extends Function ? T[K] : Signal<T[K]>\n}\n\n/**\n * Exposes fields of an object passed via an Angular `Signal` as `Computed` signals.\n * Functions on the object are passed through as-is.\n * @param inputSignal - `Signal` that must return an object.\n * @returns A proxy object with the same fields as the input object, but with each field wrapped in a `Computed` signal.\n */\nexport function signalProxy<TInput extends Record<string | symbol, any>>(\n  inputSignal: Signal<TInput>,\n) {\n  const internalState = {} as MapToSignals<TInput>\n\n  return new Proxy<MapToSignals<TInput>>(internalState, {\n    get(target, prop) {\n      // first check if we have it in our internal state and return it\n      const computedField = target[prop]\n      if (computedField) return computedField\n\n      // then, check if it's a function on the resultState and return it\n      const targetField = untracked(inputSignal)[prop]\n      if (typeof targetField === 'function') return targetField\n\n      // finally, create a computed field, store it and return it\n      // @ts-expect-error\n      return (target[prop] = computed(() => inputSignal()[prop]))\n    },\n    has(_, prop) {\n      return !!untracked(inputSignal)[prop]\n    },\n    ownKeys() {\n      return Reflect.ownKeys(untracked(inputSignal))\n    },\n    getOwnPropertyDescriptor() {\n      return {\n        enumerable: true,\n        configurable: true,\n      }\n    },\n  })\n}\n"],"names":[],"mappings":";AAaO,SAAS,YACd,aACA;AACA,QAAM,gBAAgB,CAAC;AAEhB,SAAA,IAAI,MAA4B,eAAe;AAAA,IACpD,IAAI,QAAQ,MAAM;AAEV,YAAA,gBAAgB,OAAO,IAAI;AACjC,UAAI,cAAsB,QAAA;AAG1B,YAAM,cAAc,UAAU,WAAW,EAAE,IAAI;AAC3C,UAAA,OAAO,gBAAgB,WAAmB,QAAA;AAItC,aAAA,OAAO,IAAI,IAAI,SAAS,MAAM,YAAY,EAAE,IAAI,CAAC;AAAA,IAC3D;AAAA,IACA,IAAI,GAAG,MAAM;AACX,aAAO,CAAC,CAAC,UAAU,WAAW,EAAE,IAAI;AAAA,IACtC;AAAA,IACA,UAAU;AACR,aAAO,QAAQ,QAAQ,UAAU,WAAW,CAAC;AAAA,IAC/C;AAAA,IACA,2BAA2B;AAClB,aAAA;AAAA,QACL,YAAY;AAAA,QACZ,cAAc;AAAA,MAChB;AAAA,IAAA;AAAA,EACF,CACD;AACH;"}