@aller/blink/src/reducers/general.ts

A library for tracking user behaviour.

import { VERSION } from '../config/config';
import generateUUID from '../utils/uuid';
import { PAGE_LOAD, PAGE_INIT, ARTICLE_ACTIVITY_START } from '../actions';

export interface GeneralState {
  abCookie?: number;
  clientHeight?: string;
  clientWidth?: string;
  pageType?: string;
  pageView?: string;
  plussData?: {
    hasAccess: boolean;
    customerNumber: string;
  };
  previousPageView?: string;
  referrer?: string;
  site?: string;
  scrollHeight?: number;
  pageScrollMaxOffsetY?: number;
  pageScrollLatestOffsetY?: number;
  url?: string;
  version?: string;
}

export default function general(state: GeneralState = {}, action: any) {
  switch (action.type) {
    case PAGE_INIT: {
      return {
        ...state,
        abCookie: action.payload.abCookie,
        customUserAgent: action.payload.customUserAgent,
        commercialSegments: action.payload.commercialSegments || '',
        pageType: action.payload.pageType || '',
        pageView: action.payload.pageView || generateUUID(),
        previousPageView:
          action.payload.previousPageView || state.pageView || undefined,
        referrer: action.payload.referrer || undefined,
        site: action.payload.site,
        url: action.payload.url,
        version: VERSION,
      };
    }
    case PAGE_LOAD: {
      return {
        ...state,
        clientHeight: action.payload.clientHeight,
        clientWidth: action.payload.clientWidth,
        scrollHeight: action.payload.scrollHeight,
        plussData: action.payload.plussData,
      };
    }
    case ARTICLE_ACTIVITY_START: {
      return {
        ...state,
        pageScrollMaxOffsetY: Math.max(
          action.payload.pageScrollOffsetY || 0,
          state.pageScrollMaxOffsetY || 0,
        ),
        pageScrollLatestOffsetY: action.payload.pageScrollOffsetY || 0,
      };
    }
    default:
      return state;
  }
}