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53 lines
1.7 KiB
53 lines
1.7 KiB
import ObservableStore from 'obs-store'
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import { getRandomArrayItem } from '../lib/util'
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/**
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* a/b test descriptions:
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* - `fullScreenVsPopup`:
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* - description: tests whether showing tx confirmations in full screen in the browser will increase rates of successful
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* confirmations
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* - groups:
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* - popup: this is the control group, which follows the current UX of showing tx confirmations in the notification
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* window
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* - fullScreen: this is the only test group, which will cause users to be shown tx confirmations in a full screen
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* browser tab
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*/
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export default class ABTestController {
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/**
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* @constructor
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* @param opts
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*/
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constructor (opts = {}) {
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const { initState } = opts
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this.store = new ObservableStore(Object.assign({
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abTests: {
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fullScreenVsPopup: this._getRandomizedTestGroupName('fullScreenVsPopup'),
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},
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}, initState))
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}
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/**
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* Returns the name of the test group to which the current user has been assigned
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* @param {string} abTestKey - the key of the a/b test
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* @returns {string} - the name of the assigned test group
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*/
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getAssignedABTestGroupName (abTestKey) {
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return this.store.getState().abTests[abTestKey]
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}
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/**
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* Returns a randomly chosen name of a test group from a given a/b test
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* @param {string} abTestKey - the key of the a/b test
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* @returns {string} - the name of the randomly selected test group
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* @private
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*/
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_getRandomizedTestGroupName (abTestKey) {
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const nameArray = ABTestController.abTestGroupNames[abTestKey]
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return getRandomArrayItem(nameArray)
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}
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}
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ABTestController.abTestGroupNames = {
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fullScreenVsPopup: ['control', 'fullScreen'],
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}
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