@tanstack/query-core/build/legacy/utils.cjs.map

The framework agnostic core that powers TanStack Query

{"version":3,"sources":["../../src/utils.ts"],"sourcesContent":["import type {\n  DefaultError,\n  Enabled,\n  FetchStatus,\n  MutationKey,\n  MutationStatus,\n  QueryFunction,\n  QueryKey,\n  QueryOptions,\n  StaleTime,\n} from './types'\nimport type { Mutation } from './mutation'\nimport type { FetchOptions, Query } from './query'\n\n// TYPES\n\nexport interface QueryFilters<TQueryKey extends QueryKey = QueryKey> {\n  /**\n   * Filter to active queries, inactive queries or all queries\n   */\n  type?: QueryTypeFilter\n  /**\n   * Match query key exactly\n   */\n  exact?: boolean\n  /**\n   * Include queries matching this predicate function\n   */\n  predicate?: (query: Query) => boolean\n  /**\n   * Include queries matching this query key\n   */\n  queryKey?: TQueryKey\n  /**\n   * Include or exclude stale queries\n   */\n  stale?: boolean\n  /**\n   * Include queries matching their fetchStatus\n   */\n  fetchStatus?: FetchStatus\n}\n\nexport interface MutationFilters<\n  TData = unknown,\n  TError = DefaultError,\n  TVariables = unknown,\n  TContext = unknown,\n> {\n  /**\n   * Match mutation key exactly\n   */\n  exact?: boolean\n  /**\n   * Include mutations matching this predicate function\n   */\n  predicate?: (\n    mutation: Mutation<TData, TError, TVariables, TContext>,\n  ) => boolean\n  /**\n   * Include mutations matching this mutation key\n   */\n  mutationKey?: MutationKey\n  /**\n   * Filter by mutation status\n   */\n  status?: MutationStatus\n}\n\nexport type Updater<TInput, TOutput> = TOutput | ((input: TInput) => TOutput)\n\nexport type QueryTypeFilter = 'all' | 'active' | 'inactive'\n\n// UTILS\n\nexport const isServer = typeof window === 'undefined' || 'Deno' in globalThis\n\nexport function noop(): void\nexport function noop(): undefined\nexport function noop() {}\n\nexport function functionalUpdate<TInput, TOutput>(\n  updater: Updater<TInput, TOutput>,\n  input: TInput,\n): TOutput {\n  return typeof updater === 'function'\n    ? 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Object.keys(val)\n          .sort()\n          .reduce((result, key) => {\n            result[key] = val[key]\n            return result\n          }, {} as any)\n      : val,\n  )\n}\n\n/**\n * Checks if key `b` partially matches with key `a`.\n */\nexport function partialMatchKey(a: QueryKey, b: QueryKey): boolean\nexport function partialMatchKey(a: any, b: any): boolean {\n  if (a === b) {\n    return true\n  }\n\n  if (typeof a !== typeof b) {\n    return false\n  }\n\n  if (a && b && typeof a === 'object' && typeof b === 'object') {\n    return Object.keys(b).every((key) => partialMatchKey(a[key], b[key]))\n  }\n\n  return false\n}\n\n/**\n * This function returns `a` if `b` is deeply equal.\n * If not, it will replace any deeply equal children of `b` with those of `a`.\n * This can be used for structural sharing between JSON values for example.\n */\nexport function replaceEqualDeep<T>(a: unknown, b: T): T\nexport function replaceEqualDeep(a: any, b: any): any {\n  if (a === b) {\n    return a\n  }\n\n  const array = isPlainArray(a) && isPlainArray(b)\n\n  if (array || (isPlainObject(a) && isPlainObject(b))) {\n    const aItems = array ? a : Object.keys(a)\n    const aSize = aItems.length\n    const bItems = array ? b : Object.keys(b)\n    const bSize = bItems.length\n    const copy: any = array ? [] : {}\n\n    let equalItems = 0\n\n    for (let i = 0; i < bSize; i++) {\n      const key = array ? i : bItems[i]\n      if (\n        ((!array && aItems.includes(key)) || array) &&\n        a[key] === undefined &&\n        b[key] === undefined\n      ) {\n        copy[key] = undefined\n        equalItems++\n      } else {\n        copy[key] = replaceEqualDeep(a[key], b[key])\n        if (copy[key] === a[key] && a[key] !== undefined) {\n          equalItems++\n        }\n      }\n    }\n\n    return aSize === bSize && equalItems === aSize ? a : copy\n  }\n\n  return b\n}\n\n/**\n * Shallow compare objects.\n */\nexport function shallowEqualObjects<T extends Record<string, any>>(\n  a: T,\n  b: T | undefined,\n): boolean {\n  if (!b || Object.keys(a).length !== Object.keys(b).length) {\n    return false\n  }\n\n  for (const key in a) {\n    if (a[key] !== b[key]) {\n      return false\n    }\n  }\n\n  return true\n}\n\nexport function isPlainArray(value: unknown) {\n  return Array.isArray(value) && value.length === Object.keys(value).length\n}\n\n// Copied from: https://github.com/jonschlinkert/is-plain-object\n// eslint-disable-next-line @typescript-eslint/no-wrapper-object-types\nexport function isPlainObject(o: any): o is Object {\n  if (!hasObjectPrototype(o)) {\n    return false\n  }\n\n  // If has no constructor\n  const ctor = o.constructor\n  if (ctor === undefined) {\n    return true\n  }\n\n  // If has modified prototype\n  const prot = ctor.prototype\n  if (!hasObjectPrototype(prot)) {\n    return false\n  }\n\n  // If constructor does not have an Object-specific method\n  if (!prot.hasOwnProperty('isPrototypeOf')) {\n    return false\n  }\n\n  // Handles Objects created by Object.create(<arbitrary prototype>)\n  if (Object.getPrototypeOf(o) !== Object.prototype) {\n    return false\n  }\n\n  // Most likely a plain Object\n  return true\n}\n\nfunction hasObjectPrototype(o: any): boolean {\n  return Object.prototype.toString.call(o) === '[object Object]'\n}\n\nexport function sleep(timeout: number): Promise<void> {\n  return new Promise((resolve) => {\n    setTimeout(resolve, timeout)\n  })\n}\n\nexport function replaceData<\n  TData,\n  TOptions extends QueryOptions<any, any, any, any>,\n>(prevData: TData | undefined, data: TData, options: TOptions): TData {\n  if (typeof options.structuralSharing === 'function') {\n    return options.structuralSharing(prevData, data) as TData\n  } else if (options.structuralSharing !== false) {\n    if (process.env.NODE_ENV !== 'production') {\n      try {\n        return replaceEqualDeep(prevData, data)\n      } catch (error) {\n        console.error(\n          `Structural sharing requires data to be JSON serializable. To fix this, turn off structuralSharing or return JSON-serializable data from your queryFn. [${options.queryHash}]: ${error}`,\n        )\n\n        // Prevent the replaceEqualDeep from being called again down below.\n        throw error\n      }\n    }\n    // Structurally share data between prev and new data if needed\n    return replaceEqualDeep(prevData, data)\n  }\n  return data\n}\n\nexport function keepPreviousData<T>(\n  previousData: T | undefined,\n): T | undefined {\n  return previousData\n}\n\nexport function addToEnd<T>(items: Array<T>, item: T, max = 0): Array<T> {\n  const newItems = [...items, item]\n  return max && newItems.length > max ? newItems.slice(1) : newItems\n}\n\nexport function addToStart<T>(items: Array<T>, item: T, max = 0): Array<T> {\n  const newItems = [item, ...items]\n  return max && newItems.length > max ? newItems.slice(0, -1) : newItems\n}\n\nexport const skipToken = Symbol()\nexport type SkipToken = typeof skipToken\n\nexport function ensureQueryFn<\n  TQueryFnData = unknown,\n  TQueryKey extends QueryKey = QueryKey,\n>(\n  options: {\n    queryFn?: QueryFunction<TQueryFnData, TQueryKey> | SkipToken\n    queryHash?: string\n  },\n  fetchOptions?: FetchOptions<TQueryFnData>,\n): QueryFunction<TQueryFnData, TQueryKey> {\n  if (process.env.NODE_ENV !== 'production') {\n    if (options.queryFn === skipToken) {\n      console.error(\n        `Attempted to invoke queryFn when set to skipToken. This is likely a configuration error. Query hash: '${options.queryHash}'`,\n      )\n    }\n  }\n\n  // if we attempt to retry a fetch that was triggered from an initialPromise\n  // when we don't have a queryFn yet, we can't retry, so we just return the already rejected initialPromise\n  // if an observer has already mounted, we will be able to retry with that queryFn\n  if (!options.queryFn && fetchOptions?.initialPromise) {\n    return () => fetchOptions.initialPromise!\n  }\n\n  if (!options.queryFn || options.queryFn === skipToken) {\n    return () =>\n      Promise.reject(new Error(`Missing queryFn: '${options.queryHash}'`))\n  }\n\n  return options.queryFn\n}\n\nexport function shouldThrowError<T extends (...args: Array<any>) => boolean>(\n  throwOnError: boolean | T | undefined,\n  params: Parameters<T>,\n): boolean {\n  // Allow throwOnError function to override throwing behavior on a per-error basis\n  if (typeof throwOnError === 'function') {\n    return throwOnError(...params)\n  }\n\n  return 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