Method getMutationDefaults

packages/query-core/src/queryClient.ts:517–534

(
    mutationKey: MutationKey,
  )

  }

  getMutationDefaults(
    mutationKey: MutationKey,
  ): OmitKeyof<MutationObserverOptions<any, any, any, any>, 'mutationKey'> {
    const defaults = [...this.#mutationDefaults.values()]

    const result: OmitKeyof<
      MutationObserverOptions<any, any, any, any>,
      'mutationKey'
    > = {}

    defaults.forEach((queryDefault) => {
      if (partialMatchKey(mutationKey, queryDefault.mutationKey)) {
        Object.assign(result, queryDefault.defaultOptions)
      }
    })

    return result
  }

  defaultQueryOptions<
    TQueryFnData = unknown,