53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
/* @flow */
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import { debounce } from './utils'
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import type { BrowserHistory } from 'history/createBrowserHistory'
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type PushType = (
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| ['trackPageView']
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| ['trackEvent', string, string]
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| ['trackEvent', string, string, string]
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| ['trackEvent', string, string, string, number]
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) => void
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export default class Tracker {
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push: PushType
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unlistenFromHistory: () => void
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previousPath: string
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constructor(pushFunction: PushType = args => window._paq.push(args)) {
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if (typeof window !== 'undefined') window._paq = window._paq || []
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this.push = debounce(200, pushFunction)
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}
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connectToHistory(history: BrowserHistory) {
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this.unlistenFromHistory = history.listen(loc => {
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this.track(loc)
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})
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return history
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}
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disconnectFromHistory() {
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if (this.unlistenFromHistory) {
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this.unlistenFromHistory()
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return true
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}
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return false
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}
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track(loc: Location) {
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const currentPath = loc.pathname + loc.search
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if (this.previousPath === currentPath) {
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return
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}
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this.push(['trackPageView'])
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this.previousPath = currentPath
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}
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}
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export const devTracker = new Tracker(
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(console && console.log && console.log.bind(console)) || (() => {}) // eslint-disable-line no-console
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)
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