Method startTimer

app/core/ViewVisibleTimer.js:73–86

(featureData)

  }

  startTimer (featureData) {
    this.featureData = featureData
    const { viewName, featureName, premiumThang } = this.featureData // eslint-disable-line no-unused-vars
    if (!viewName) {
      throw new Error('No view name!')
    }
    if (this.running && ((window.performance.now() - this.startTime) > this.throttleRate)) {
      throw (new Error('Starting a timer over another one!'))
    }
    if (!this.running && (!this.startTime || ((window.performance.now() - this.startTime) > this.throttleRate))) {
      this.running = true
      this.startTime = window.performance.now()
    }
  }

  stopTimer (param) {
    if (param == null) { param = { } }