Function createReducer

Utility function to create reducers

Returns

a reducer function

Example

import { createEvent, createReducer } from 'reactive-actor';

export interface LayoutState {
  loading: boolean;
  error: string;
}

export const layoutInitialState: LayoutState = {
  loading: false,
  error: '',
};

export const startLoader = createEvent('START_LOADER');

export const stopLoader = createEvent('STOP_LOADER');

export const layoutReducer = createReducer(layoutInitialState, (builder) =>
  builder
    .addCase(startLoader, (state) => ({ ...state, loading: true }))
    .addCase(stopLoader, (state) => ({ ...state, loading: false }))
);