@tanstack/angular-query-experimental/create-base-query.mjs.map

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

{"version":3,"file":"create-base-query.mjs","sources":["../src/create-base-query.ts"],"sourcesContent":["import {\n  NgZone,\n  VERSION,\n  computed,\n  effect,\n  inject,\n  signal,\n  untracked,\n} from '@angular/core'\nimport {\n  QueryClient,\n  notifyManager,\n  shouldThrowError,\n} from '@tanstack/query-core'\nimport { signalProxy } from './signal-proxy'\nimport { injectIsRestoring } from './inject-is-restoring'\nimport { PENDING_TASKS } from './pending-tasks-compat'\nimport type { PendingTaskRef } from './pending-tasks-compat'\nimport type {\n  QueryKey,\n  QueryObserver,\n  QueryObserverResult,\n} from '@tanstack/query-core'\nimport type { CreateBaseQueryOptions } from './types'\n\n/**\n * Base implementation for `injectQuery` and `injectInfiniteQuery`.\n * @param optionsFn\n * @param Observer\n */\nexport function createBaseQuery<\n  TQueryFnData,\n  TError,\n  TData,\n  TQueryData,\n  TQueryKey extends QueryKey,\n>(\n  optionsFn: () => CreateBaseQueryOptions<\n    TQueryFnData,\n    TError,\n    TData,\n    TQueryData,\n    TQueryKey\n  >,\n  Observer: typeof QueryObserver,\n) {\n  const ngZone = inject(NgZone)\n  const pendingTasks = inject(PENDING_TASKS)\n  const queryClient = inject(QueryClient)\n  const isRestoring = injectIsRestoring()\n\n  /**\n   * Signal that has the default options from query client applied\n   * computed() is used so signals can be inserted into the options\n   * making it reactive. Wrapping options in a function ensures embedded expressions\n   * are preserved and can keep being applied after signal changes\n   */\n  const defaultedOptionsSignal = computed(() => {\n    const defaultedOptions = queryClient.defaultQueryOptions(optionsFn())\n    defaultedOptions._optimisticResults = isRestoring()\n      ? 'isRestoring'\n      : 'optimistic'\n    return defaultedOptions\n  })\n\n  const observerSignal = (() => {\n    let instance: QueryObserver<\n      TQueryFnData,\n      TError,\n      TData,\n      TQueryData,\n      TQueryKey\n    > | null = null\n\n    return computed(() => {\n      return (instance ||= new Observer(queryClient, defaultedOptionsSignal()))\n    })\n  })()\n\n  const optimisticResultSignal = computed(() =>\n    observerSignal().getOptimisticResult(defaultedOptionsSignal()),\n  )\n\n  const resultFromSubscriberSignal = signal<QueryObserverResult<\n    TData,\n    TError\n  > | null>(null)\n\n  effect(\n    (onCleanup) => {\n      const observer = observerSignal()\n      const defaultedOptions = defaultedOptionsSignal()\n\n      untracked(() => {\n        observer.setOptions(defaultedOptions)\n      })\n      onCleanup(() => {\n        ngZone.run(() => resultFromSubscriberSignal.set(null))\n      })\n    },\n    {\n      // Set allowSignalWrites to support Angular < v19\n      // Set to undefined to avoid warning on newer versions\n      allowSignalWrites: VERSION.major < '19' || undefined,\n    },\n  )\n\n  effect((onCleanup) => {\n    // observer.trackResult is not used as this optimization is not needed for Angular\n    const observer = observerSignal()\n    let pendingTaskRef: PendingTaskRef | null = null\n\n    const unsubscribe = isRestoring()\n      ? () => undefined\n      : untracked(() =>\n          ngZone.runOutsideAngular(() => {\n            return observer.subscribe(\n              notifyManager.batchCalls((state) => {\n                ngZone.run(() => {\n                  if (state.fetchStatus === 'fetching' && !pendingTaskRef) {\n                    pendingTaskRef = pendingTasks.add()\n                  }\n\n                  if (state.fetchStatus === 'idle' && pendingTaskRef) {\n                    pendingTaskRef()\n                    pendingTaskRef = null\n                  }\n\n                  if (\n                    state.isError &&\n                    !state.isFetching &&\n                    shouldThrowError(observer.options.throwOnError, [\n                      state.error,\n                      observer.getCurrentQuery(),\n                    ])\n                  ) {\n                    ngZone.onError.emit(state.error)\n                    throw state.error\n                  }\n                  resultFromSubscriberSignal.set(state)\n                })\n              }),\n            )\n          }),\n        )\n\n    onCleanup(() => {\n      if (pendingTaskRef) {\n        pendingTaskRef()\n        pendingTaskRef = null\n      }\n      unsubscribe()\n    })\n  })\n\n  return signalProxy(\n    computed(() => {\n      const subscriberResult = resultFromSubscriberSignal()\n      const optimisticResult = optimisticResultSignal()\n      const result = subscriberResult ?? optimisticResult\n\n      // Wrap methods to ensure observer has latest options before execution\n      const observer = observerSignal()\n\n      const originalRefetch = result.refetch\n      return {\n        ...result,\n        refetch: ((...args: Parameters<typeof originalRefetch>) => {\n          observer.setOptions(defaultedOptionsSignal())\n          return originalRefetch(...args)\n        }) as typeof originalRefetch,\n      }\n    }),\n  )\n}\n"],"names":[],"mappings":";;;;;AA8BO,SAAS,gBAOd,WAOA,UACA;AACA,QAAM,SAAS,OAAO,MAAM;AAC5B,QAAM,eAAe,OAAO,aAAa;AACzC,QAAM,cAAc,OAAO,WAAW;AACtC,QAAM,cAAc,kBAAA;AAQpB,QAAM,yBAAyB,SAAS,MAAM;AAC5C,UAAM,mBAAmB,YAAY,oBAAoB,UAAA,CAAW;AACpE,qBAAiB,qBAAqB,YAAA,IAClC,gBACA;AACJ,WAAO;AAAA,EACT,CAAC;AAED,QAAM,kBAAkB,MAAM;AAC5B,QAAI,WAMO;AAEX,WAAO,SAAS,MAAM;AACpB,aAAQ,wBAAa,IAAI,SAAS,aAAa,wBAAwB;AAAA,IACzE,CAAC;AAAA,EACH,GAAA;AAEA,QAAM,yBAAyB;AAAA,IAAS,MACtC,eAAA,EAAiB,oBAAoB,wBAAwB;AAAA,EAAA;AAG/D,QAAM,6BAA6B,OAGzB,IAAI;AAEd;AAAA,IACE,CAAC,cAAc;AACb,YAAM,WAAW,eAAA;AACjB,YAAM,mBAAmB,uBAAA;AAEzB,gBAAU,MAAM;AACd,iBAAS,WAAW,gBAAgB;AAAA,MACtC,CAAC;AACD,gBAAU,MAAM;AACd,eAAO,IAAI,MAAM,2BAA2B,IAAI,IAAI,CAAC;AAAA,MACvD,CAAC;AAAA,IACH;AAAA,IACA;AAAA;AAAA;AAAA,MAGE,mBAAmB,QAAQ,QAAQ,QAAQ;AAAA,IAAA;AAAA,EAC7C;AAGF,SAAO,CAAC,cAAc;AAEpB,UAAM,WAAW,eAAA;AACjB,QAAI,iBAAwC;AAE5C,UAAM,cAAc,gBAChB,MAAM,SACN;AAAA,MAAU,MACR,OAAO,kBAAkB,MAAM;AAC7B,eAAO,SAAS;AAAA,UACd,cAAc,WAAW,CAAC,UAAU;AAClC,mBAAO,IAAI,MAAM;AACf,kBAAI,MAAM,gBAAgB,cAAc,CAAC,gBAAgB;AACvD,iCAAiB,aAAa,IAAA;AAAA,cAChC;AAEA,kBAAI,MAAM,gBAAgB,UAAU,gBAAgB;AAClD,+BAAA;AACA,iCAAiB;AAAA,cACnB;AAEA,kBACE,MAAM,WACN,CAAC,MAAM,cACP,iBAAiB,SAAS,QAAQ,cAAc;AAAA,gBAC9C,MAAM;AAAA,gBACN,SAAS,gBAAA;AAAA,cAAgB,CAC1B,GACD;AACA,uBAAO,QAAQ,KAAK,MAAM,KAAK;AAC/B,sBAAM,MAAM;AAAA,cACd;AACA,yCAA2B,IAAI,KAAK;AAAA,YACtC,CAAC;AAAA,UACH,CAAC;AAAA,QAAA;AAAA,MAEL,CAAC;AAAA,IAAA;AAGP,cAAU,MAAM;AACd,UAAI,gBAAgB;AAClB,uBAAA;AACA,yBAAiB;AAAA,MACnB;AACA,kBAAA;AAAA,IACF,CAAC;AAAA,EACH,CAAC;AAED,SAAO;AAAA,IACL,SAAS,MAAM;AACb,YAAM,mBAAmB,2BAAA;AACzB,YAAM,mBAAmB,uBAAA;AACzB,YAAM,SAAS,oBAAoB;AAGnC,YAAM,WAAW,eAAA;AAEjB,YAAM,kBAAkB,OAAO;AAC/B,aAAO;AAAA,QACL,GAAG;AAAA,QACH,UAAU,IAAI,SAA6C;AACzD,mBAAS,WAAW,wBAAwB;AAC5C,iBAAO,gBAAgB,GAAG,IAAI;AAAA,QAChC;AAAA,MAAA;AAAA,IAEJ,CAAC;AAAA,EAAA;AAEL;"}