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Website : rimsha.abasa.com
: / var / canvas / node_modules / @tanstack / query-core / src /
Filename : utils.ts
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import type { Mutation } from './mutation'
import type { Query } from './query'
import type {
  FetchStatus,
  MutationFunction,
  MutationKey,
  MutationOptions,
  QueryFunction,
  QueryKey,
  QueryOptions,
} from './types'

// TYPES

export interface QueryFilters {
  /**
   * Filter to active queries, inactive queries or all queries
   */
  type?: QueryTypeFilter
  /**
   * Match query key exactly
   */
  exact?: boolean
  /**
   * Include queries matching this predicate function
   */
  predicate?: (query: Query) => boolean
  /**
   * Include queries matching this query key
   */
  queryKey?: QueryKey
  /**
   * Include or exclude stale queries
   */
  stale?: boolean
  /**
   * Include queries matching their fetchStatus
   */
  fetchStatus?: FetchStatus
}

export interface MutationFilters {
  /**
   * Match mutation key exactly
   */
  exact?: boolean
  /**
   * Include mutations matching this predicate function
   */
  predicate?: (mutation: Mutation<any, any, any>) => boolean
  /**
   * Include mutations matching this mutation key
   */
  mutationKey?: MutationKey
  /**
   * Include or exclude fetching mutations
   */
  fetching?: boolean
}

export type DataUpdateFunction<TInput, TOutput> = (input: TInput) => TOutput

export type Updater<TInput, TOutput> =
  | TOutput
  | DataUpdateFunction<TInput, TOutput>

export type QueryTypeFilter = 'all' | 'active' | 'inactive'

// UTILS

export const isServer = typeof window === 'undefined' || 'Deno' in window

export function noop(): undefined {
  return undefined
}

export function functionalUpdate<TInput, TOutput>(
  updater: Updater<TInput, TOutput>,
  input: TInput,
): TOutput {
  return typeof updater === 'function'
    ? (updater as DataUpdateFunction<TInput, TOutput>)(input)
    : updater
}

export function isValidTimeout(value: unknown): value is number {
  return typeof value === 'number' && value >= 0 && value !== Infinity
}

export function difference<T>(array1: T[], array2: T[]): T[] {
  return array1.filter((x) => !array2.includes(x))
}

export function replaceAt<T>(array: T[], index: number, value: T): T[] {
  const copy = array.slice(0)
  copy[index] = value
  return copy
}

export function timeUntilStale(updatedAt: number, staleTime?: number): number {
  return Math.max(updatedAt + (staleTime || 0) - Date.now(), 0)
}

export function parseQueryArgs<
  TOptions extends QueryOptions<any, any, any, TQueryKey>,
  TQueryKey extends QueryKey = QueryKey,
>(
  arg1: TQueryKey | TOptions,
  arg2?: QueryFunction<any, TQueryKey> | TOptions,
  arg3?: TOptions,
): TOptions {
  if (!isQueryKey(arg1)) {
    return arg1 as TOptions
  }

  if (typeof arg2 === 'function') {
    return { ...arg3, queryKey: arg1, queryFn: arg2 } as TOptions
  }

  return { ...arg2, queryKey: arg1 } as TOptions
}

export function parseMutationArgs<
  TOptions extends MutationOptions<any, any, any, any>,
>(
  arg1: MutationKey | MutationFunction<any, any> | TOptions,
  arg2?: MutationFunction<any, any> | TOptions,
  arg3?: TOptions,
): TOptions {
  if (isQueryKey(arg1)) {
    if (typeof arg2 === 'function') {
      return { ...arg3, mutationKey: arg1, mutationFn: arg2 } as TOptions
    }
    return { ...arg2, mutationKey: arg1 } as TOptions
  }

  if (typeof arg1 === 'function') {
    return { ...arg2, mutationFn: arg1 } as TOptions
  }

  return { ...arg1 } as TOptions
}

export function parseFilterArgs<
  TFilters extends QueryFilters,
  TOptions = unknown,
>(
  arg1?: QueryKey | TFilters,
  arg2?: TFilters | TOptions,
  arg3?: TOptions,
): [TFilters, TOptions | undefined] {
  return (
    isQueryKey(arg1) ? [{ ...arg2, queryKey: arg1 }, arg3] : [arg1 || {}, arg2]
  ) as [TFilters, TOptions]
}

export function parseMutationFilterArgs<
  TFilters extends MutationFilters,
  TOptions = unknown,
>(
  arg1?: QueryKey | TFilters,
  arg2?: TFilters | TOptions,
  arg3?: TOptions,
): [TFilters, TOptions | undefined] {
  return (
    isQueryKey(arg1)
      ? [{ ...arg2, mutationKey: arg1 }, arg3]
      : [arg1 || {}, arg2]
  ) as [TFilters, TOptions]
}

export function matchQuery(
  filters: QueryFilters,
  query: Query<any, any, any, any>,
): boolean {
  const {
    type = 'all',
    exact,
    fetchStatus,
    predicate,
    queryKey,
    stale,
  } = filters

  if (isQueryKey(queryKey)) {
    if (exact) {
      if (query.queryHash !== hashQueryKeyByOptions(queryKey, query.options)) {
        return false
      }
    } else if (!partialMatchKey(query.queryKey, queryKey)) {
      return false
    }
  }

  if (type !== 'all') {
    const isActive = query.isActive()
    if (type === 'active' && !isActive) {
      return false
    }
    if (type === 'inactive' && isActive) {
      return false
    }
  }

  if (typeof stale === 'boolean' && query.isStale() !== stale) {
    return false
  }

  if (
    typeof fetchStatus !== 'undefined' &&
    fetchStatus !== query.state.fetchStatus
  ) {
    return false
  }

  if (predicate && !predicate(query)) {
    return false
  }

  return true
}

export function matchMutation(
  filters: MutationFilters,
  mutation: Mutation<any, any>,
): boolean {
  const { exact, fetching, predicate, mutationKey } = filters
  if (isQueryKey(mutationKey)) {
    if (!mutation.options.mutationKey) {
      return false
    }
    if (exact) {
      if (
        hashQueryKey(mutation.options.mutationKey) !== hashQueryKey(mutationKey)
      ) {
        return false
      }
    } else if (!partialMatchKey(mutation.options.mutationKey, mutationKey)) {
      return false
    }
  }

  if (
    typeof fetching === 'boolean' &&
    (mutation.state.status === 'loading') !== fetching
  ) {
    return false
  }

  if (predicate && !predicate(mutation)) {
    return false
  }

  return true
}

export function hashQueryKeyByOptions<TQueryKey extends QueryKey = QueryKey>(
  queryKey: TQueryKey,
  options?: QueryOptions<any, any, any, TQueryKey>,
): string {
  const hashFn = options?.queryKeyHashFn || hashQueryKey
  return hashFn(queryKey)
}

/**
 * Default query keys hash function.
 * Hashes the value into a stable hash.
 */
export function hashQueryKey(queryKey: QueryKey): string {
  return JSON.stringify(queryKey, (_, val) =>
    isPlainObject(val)
      ? Object.keys(val)
          .sort()
          .reduce((result, key) => {
            result[key] = val[key]
            return result
          }, {} as any)
      : val,
  )
}

/**
 * Checks if key `b` partially matches with key `a`.
 */
export function partialMatchKey(a: QueryKey, b: QueryKey): boolean {
  return partialDeepEqual(a, b)
}

/**
 * Checks if `b` partially matches with `a`.
 */
export function partialDeepEqual(a: any, b: any): boolean {
  if (a === b) {
    return true
  }

  if (typeof a !== typeof b) {
    return false
  }

  if (a && b && typeof a === 'object' && typeof b === 'object') {
    return !Object.keys(b).some((key) => !partialDeepEqual(a[key], b[key]))
  }

  return false
}

/**
 * This function returns `a` if `b` is deeply equal.
 * If not, it will replace any deeply equal children of `b` with those of `a`.
 * This can be used for structural sharing between JSON values for example.
 */
export function replaceEqualDeep<T>(a: unknown, b: T): T
export function replaceEqualDeep(a: any, b: any): any {
  if (a === b) {
    return a
  }

  const array = isPlainArray(a) && isPlainArray(b)

  if (array || (isPlainObject(a) && isPlainObject(b))) {
    const aSize = array ? a.length : Object.keys(a).length
    const bItems = array ? b : Object.keys(b)
    const bSize = bItems.length
    const copy: any = array ? [] : {}

    let equalItems = 0

    for (let i = 0; i < bSize; i++) {
      const key = array ? i : bItems[i]
      copy[key] = replaceEqualDeep(a[key], b[key])
      if (copy[key] === a[key]) {
        equalItems++
      }
    }

    return aSize === bSize && equalItems === aSize ? a : copy
  }

  return b
}

/**
 * Shallow compare objects. Only works with objects that always have the same properties.
 */
export function shallowEqualObjects<T>(a: T, b: T): boolean {
  if ((a && !b) || (b && !a)) {
    return false
  }

  for (const key in a) {
    if (a[key] !== b[key]) {
      return false
    }
  }

  return true
}

export function isPlainArray(value: unknown) {
  return Array.isArray(value) && value.length === Object.keys(value).length
}

// Copied from: https://github.com/jonschlinkert/is-plain-object
export function isPlainObject(o: any): o is Object {
  if (!hasObjectPrototype(o)) {
    return false
  }

  // If has modified constructor
  const ctor = o.constructor
  if (typeof ctor === 'undefined') {
    return true
  }

  // If has modified prototype
  const prot = ctor.prototype
  if (!hasObjectPrototype(prot)) {
    return false
  }

  // If constructor does not have an Object-specific method
  if (!prot.hasOwnProperty('isPrototypeOf')) {
    return false
  }

  // Most likely a plain Object
  return true
}

function hasObjectPrototype(o: any): boolean {
  return Object.prototype.toString.call(o) === '[object Object]'
}

export function isQueryKey(value: unknown): value is QueryKey {
  return Array.isArray(value)
}

export function isError(value: any): value is Error {
  return value instanceof Error
}

export function sleep(timeout: number): Promise<void> {
  return new Promise((resolve) => {
    setTimeout(resolve, timeout)
  })
}

/**
 * Schedules a microtask.
 * This can be useful to schedule state updates after rendering.
 */
export function scheduleMicrotask(callback: () => void) {
  sleep(0).then(callback)
}

export function getAbortController(): AbortController | undefined {
  if (typeof AbortController === 'function') {
    return new AbortController()
  }
  return
}

export function replaceData<
  TData,
  TOptions extends QueryOptions<any, any, any, any>,
>(prevData: TData | undefined, data: TData, options: TOptions): TData {
  // Use prev data if an isDataEqual function is defined and returns `true`
  if (options.isDataEqual?.(prevData, data)) {
    return prevData as TData
  } else if (typeof options.structuralSharing === 'function') {
    return options.structuralSharing(prevData, data)
  } else if (options.structuralSharing !== false) {
    // Structurally share data between prev and new data if needed
    return replaceEqualDeep(prevData, data)
  }
  return data
}