react-tracking/build/useTrackingImpl.js

Declarative tracking for React apps.

"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports["default"]=useTrackingImpl;var _react=require("react");var _deepmerge=_interopRequireDefault(require("deepmerge"));var _ReactTrackingContext=_interopRequireDefault(require("./ReactTrackingContext"));var _dispatchTrackingEvent=_interopRequireDefault(require("./dispatchTrackingEvent"));function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function useTrackingImpl(trackingData,options){var _useContext=(0,_react.useContext)(_ReactTrackingContext["default"]),tracking=_useContext.tracking;var latestData=(0,_react.useRef)(trackingData);var latestOptions=(0,_react.useRef)(options);(0,_react.useEffect)(function(){latestData.current=trackingData;latestOptions.current=options});var _useMemo=(0,_react.useMemo)(function(){return latestOptions.current||{}},[]),_useMemo$dispatch=_useMemo.dispatch,dispatch=_useMemo$dispatch===void 0?_dispatchTrackingEvent["default"]:_useMemo$dispatch,_useMemo$dispatchOnMo=_useMemo.dispatchOnMount,dispatchOnMount=_useMemo$dispatchOnMo===void 0?false:_useMemo$dispatchOnMo,process=_useMemo.process;var getProcessFn=(0,_react.useCallback)(function(){return tracking&&tracking.process},[tracking]);var getOwnTrackingData=(0,_react.useCallback)(function(){var data=latestData.current;var ownTrackingData=typeof data==="function"?data():data;return ownTrackingData||{}},[]);var getTrackingDataFn=(0,_react.useCallback)(function(){var contextGetTrackingData=tracking&&tracking.getTrackingData||getOwnTrackingData;return function(){return contextGetTrackingData===getOwnTrackingData?getOwnTrackingData():(0,_deepmerge["default"])(contextGetTrackingData(),getOwnTrackingData(),(latestOptions.current||{}).mergeOptions)}},[getOwnTrackingData,tracking]);var getTrackingDispatcher=(0,_react.useCallback)(function(){var contextDispatch=tracking&&tracking.dispatch||dispatch;return function(data){return contextDispatch((0,_deepmerge["default"])(getOwnTrackingData(),data||{},(latestOptions.current||{}).mergeOptions))}},[getOwnTrackingData,tracking,dispatch]);var trackEvent=(0,_react.useCallback)(function(){var data=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};getTrackingDispatcher()(data)},[getTrackingDispatcher]);(0,_react.useEffect)(function(){var contextProcess=getProcessFn();var getTrackingData=getTrackingDataFn();if(contextProcess&&process){console.error("[react-tracking] options.process should be defined once on a top-level component")}if(typeof contextProcess==="function"&&typeof dispatchOnMount==="function"){trackEvent((0,_deepmerge["default"])(contextProcess(getOwnTrackingData())||{},dispatchOnMount(getTrackingData())||{},(latestOptions.current||{}).mergeOptions))}else if(typeof contextProcess==="function"){var processed=contextProcess(getOwnTrackingData());if(processed||dispatchOnMount===true){trackEvent(processed)}}else if(typeof dispatchOnMount==="function"){trackEvent(dispatchOnMount(getTrackingData()))}else if(dispatchOnMount===true){trackEvent()}},[getOwnTrackingData,getProcessFn,getTrackingDataFn,trackEvent,dispatchOnMount,process]);return(0,_react.useMemo)(function(){return{tracking:{dispatch:getTrackingDispatcher(),getTrackingData:getTrackingDataFn(),process:getProcessFn()||process}}},[getTrackingDispatcher,getTrackingDataFn,getProcessFn,process])}
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