open-consul/website/lib/anchor-link-analytics.js
2020-04-28 12:53:27 -04:00

23 lines
695 B
JavaScript

// If there is a hash in the url, this script will check whether the hash matches
// the anchor link IDs for any element on the page and log it to our analytics.
export default function anchorLinkAnalytics() {
if (
typeof window === 'undefined' ||
!window.requestIdleCallback ||
!window.analytics
)
return
window.requestIdleCallback(() => {
const hash = window.location.hash
if (hash.length < 1) return
const targets = [].slice.call(
document.querySelectorAll('.__target-lic, .__target-h')
)
const targetMatch = targets.find((t) => t.id === hash.replace(/^#/, ''))
window.analytics.track('Anchor Link', { hash, hit: !!targetMatch })
})
}