58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
let first = true
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function getDuration() {
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const start = window.start || new Date()
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const now = new Date()
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const difference = now.getTime() - start.getTime()
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if (difference === 0) {
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return null
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}
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return difference
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}
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export const onRouteUpdate = ({ location, prevLocation }) => {
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if (process.env.NODE_ENV === 'production' || window.dev === true) {
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if (!window._paq) return
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const { _paq, dev } = window
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const url = location && location.pathname + location.search + location.hash
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const prevUrl =
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prevLocation &&
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prevLocation.pathname + prevLocation.search + prevLocation.hash
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// document.title workaround stolen from:
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// https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-google-analytics/src/gatsby-browser.js
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const sendPageView = () => {
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const { title } = document
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prevUrl && _paq.push(['setReferrerUrl', prevUrl])
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_paq.push(['setCustomUrl', url])
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_paq.push(['setDocumentTitle', title])
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_paq.push(['trackPageView'])
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_paq.push(['enableLinkTracking'])
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_paq.push(['trackAllContentImpressions'])
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if (dev) {
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console.debug(`[Matomo] Page view for: ${url} - ${title}`)
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}
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}
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// Minimum delay for reactHelmet's requestAnimationFrame
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const delay = Math.max(32, 0)
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setTimeout(sendPageView, delay)
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if (first) {
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first = false
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_paq.push(['trackEvent', 'javascript', 'load', 'duration', getDuration()])
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if (dev) {
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console.debug(`[Matomo] Tracking duration for: ${url}`)
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}
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}
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}
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return null
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}
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