2017-02-11 19:04:12 +08:00

46 lines
1.0 KiB
JavaScript

// From https://github.com/egoist/vue-ga/blob/master/src/index.js
function appendScript () {
const script = document.createElement('script')
script.async = true
script.src = 'https://www.google-analytics.com/analytics.js'
document.body.appendChild(script)
}
function init (id) {
if (!window.ga) {
appendScript()
window.ga = window.ga || function () {
(window.ga.q = window.ga.q || []).push(arguments)
}
window.ga.l = Number(new Date())
window.ga('create', id, 'auto')
}
}
function collect () {
init(window.$docsify.ga)
window.ga('set', 'page', location.href)
window.ga('send', 'pageview')
}
const install = function () {
if (install.installed) return
install.installed = true
if (!window.Docsify || !window.Docsify.installed) {
console.error('[Docsify] Please load docsify.js first.')
return
}
if (!window.$docsify.ga) {
console.error('[Docsify] ga is required.')
return
}
collect()
window.$docsify.plugins = [].concat(window.$docsify.plugins, collect)
}
export default install()