@fullstory/react-native/lib/module/FSPage.js

The official FullStory React Native plugin

import { NativeModules } from 'react-native';
import { generateUUID, isTurboModuleEnabled } from './utils';
const FullStory = isTurboModuleEnabled ? require('./NativeFullStory').default : NativeModules.FullStory;
const {
  startPage,
  endPage,
  updatePage
} = FullStory;
export class FSPage {
  constructor(pageName, properties = {}) {
    this.pageName = pageName;
    this.properties = properties;
    this.nonce = '';
    this.cleanProperties();
  }
  static FS_PAGE_NAME_KEY = 'pageName';
  static isObject(value) {
    return value && typeof value === 'object' && !Array.isArray(value);
  }
  static merge(oldValue, newValue) {
    // We can only merge dictionaries and do not perform recursion whenever we
    // encounter a non-dictionary value
    // (see com.fullstory.instrumentation FSPageImpl.java)
    if (!FSPage.isObject(oldValue) || !FSPage.isObject(newValue)) {
      return newValue;
    }
    return FSPage.mergeObjects(oldValue, newValue);
  }
  static mergeObjects(oldObj, newObj) {
    // return new object instance on immutable "old" object frozen by RN
    const mergedObj = {
      ...oldObj
    };
    for (const key in newObj) {
      const oldInnerValue = oldObj[key];
      if (oldObj[key]) {
        mergedObj[key] = FSPage.merge(oldInnerValue, newObj[key]);
      } else {
        mergedObj[key] = newObj[key];
      }
    }
    return mergedObj;
  }
  cleanProperties() {
    if (this.properties && this.properties[FSPage.FS_PAGE_NAME_KEY]) {
      delete this.properties[FSPage.FS_PAGE_NAME_KEY];
      console.warn(`${FSPage.FS_PAGE_NAME_KEY} is a reserved property and has been removed.`);
    }
  }
  update(properties) {
    if (!this.nonce) {
      console.error('Called `updateProperties` on FSPage that has not been `start`-ed. This may ' + 'be a mistake. `updateProperties` should be called on the same FSPage ' + 'instance that the corresponding `start` is called on.');
      return;
    }
    this.properties = FSPage.merge(this.properties, properties);
    this.cleanProperties();
    updatePage(this.nonce, this.properties);
  }
  start(properties) {
    if (properties) {
      this.properties = FSPage.merge(this.properties, properties);
      this.cleanProperties();
    }
    this.nonce = generateUUID();
    startPage(this.nonce, this.pageName, this.properties);
  }
  end() {
    if (!this.nonce) {
      console.error('Called `end` on FSPage that has not been `start`-ed. `end` should be ' + 'called on the same FSPage instance that the corresponding `start` is ' + 'called on.');
      return;
    }
    endPage(this.nonce);
    this.nonce = '';
  }
}
//# sourceMappingURL=FSPage.js.map