@logixjs/core
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    Variable ReducerConst

    Reducer: {
        mutate: <S, A extends { payload?: any }>(
            mutator: (draft: Draft<S>, payload: A["payload"]) => void,
        ) => (state: S, action: A, sink?: (path: string | FieldPath) => void) => S;
        mutateMap: <
            R extends
                Readonly<
                    Record<
                        string,
                        | (
                            (
                                state: any,
                                action: any,
                                sink?: (path: string | FieldPath) => void,
                            ) => any
                        )
                        | undefined,
                    >,
                >,
        >(
            mutators: {
                readonly [K in string | number | symbol]?: (
                    draft: Draft<Parameters<NonNullable<NoInfer_<(...)>[K]>>[0]>,
                    payload: Parameters<NonNullable<NoInfer_<(...)>[K]>>[1] extends {
                        payload: P;
                    }
                        ? P
                        : Parameters<NonNullable<(...)[(...)]>>[1] extends { payload?: P }
                            ? P | undefined
                            : never,
                ) => void
            },
        ) => R;
    } = ...

    Reducer helper:

    • Reducer.mutate provides the same mutative style as $.state.mutate.
    • Internally uses mutative-based immutable updates to map "in-place draft mutation" into a pure (state, action) => state.

    Type Declaration

    • mutate: <S, A extends { payload?: any }>(
          mutator: (draft: Draft<S>, payload: A["payload"]) => void,
      ) => (state: S, action: A, sink?: (path: string | FieldPath) => void) => S
    • mutateMap: <
          R extends
              Readonly<
                  Record<
                      string,
                      | (
                          (
                              state: any,
                              action: any,
                              sink?: (path: string | FieldPath) => void,
                          ) => any
                      )
                      | undefined,
                  >,
              >,
      >(
          mutators: {
              readonly [K in string | number | symbol]?: (
                  draft: Draft<Parameters<NonNullable<NoInfer_<(...)>[K]>>[0]>,
                  payload: Parameters<NonNullable<NoInfer_<(...)>[K]>>[1] extends {
                      payload: P;
                  }
                      ? P
                      : Parameters<NonNullable<(...)[(...)]>>[1] extends { payload?: P }
                          ? P | undefined
                          : never,
              ) => void
          },
      ) => R
    const Counter = Logix.ModuleTag.make("Counter", {
        state: CounterState,
        actions: CounterActions,
        reducers: {
          inc: Logix.ModuleTag.Reducer.mutate((draft, _payload) => {
            draft.count += 1
          }),
        },
      })

      yield* $.reducer(
        "setValue",
        Logix.ModuleTag.Reducer.mutate((draft, payload) => {
          draft.value = payload
        }),
      )

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