pdf-reader-web/reducers/index.ts

import * as mainActions from './main';
import * as pdfActions from './pdf';
import * as types from '../constants/actionTypes';

const createReducer = (handlers: { [key: string]: any }) => (
  state: Record<string, any>,
  action: { type: string }
): any => {
  if (!Object.prototype.hasOwnProperty.call(handlers, action.type)) {
    return state;
  }

  return handlers[action.type](state, action);
};

export default createReducer({
  [types.TOGGLE_DISPLAY_MODE]: mainActions.toggleDisplayMode,
  [types.SET_NAVBAR]: mainActions.setNavbarState,
  [types.SET_SIDEBAR]: mainActions.setSidebarState,
  [types.SET_MARKUP_TOOL]: mainActions.setMarkupTool,
  [types.SET_INFO]: mainActions.setInfo,
  [types.SET_LOADING]: mainActions.setLoading,

  [types.SET_CURRENT_PAGE]: pdfActions.setCurrentPage,
  [types.SET_TOTAL_PAGE]: pdfActions.setTotalPage,
  [types.SET_PDF]: pdfActions.setPdf,
  [types.SET_PROGRESS]: pdfActions.setProgress,
  [types.SET_VIEWPORT]: pdfActions.setViewport,
  [types.CHANGE_SCALE]: pdfActions.changeScale,
  [types.CHANGE_ROTATE]: pdfActions.changeRotate,
  [types.ADD_ANNOTS]: pdfActions.addAnnotation,
  [types.UPDATE_ANNOTS]: pdfActions.updateAnnotation,
  [types.UPDATE_WATERMARK]: pdfActions.updateWatermark,
});