/
detector.js
71 lines (61 loc) · 1.64 KB
/
detector.js
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import { installToast } from 'src/backend/toast'
import { isFirefox } from 'src/devtools/env'
window.addEventListener('message', e => {
if (e.source === window && e.data.vueDetected) {
chrome.runtime.sendMessage(e.data)
}
})
function detect (win) {
setTimeout(() => {
// Method 1: Check Nuxt.js
const nuxtDetected = Boolean(window.__NUXT__ || window.$nuxt)
if (nuxtDetected) {
let Vue
if (window.$nuxt) {
Vue = window.$nuxt.$root.constructor
}
win.postMessage({
devtoolsEnabled: Vue && Vue.config.devtools,
vueDetected: true,
nuxtDetected: true
}, '*')
return
}
// Method 2: Scan all elements inside document
const all = document.querySelectorAll('*')
let el
for (let i = 0; i < all.length; i++) {
if (all[i].__vue__) {
el = all[i]
break
}
}
if (el) {
let Vue = Object.getPrototypeOf(el.__vue__).constructor
while (Vue.super) {
Vue = Vue.super
}
win.postMessage({
devtoolsEnabled: Vue.config.devtools,
vueDetected: true
}, '*')
}
}, 100)
}
// inject the hook
if (document instanceof HTMLDocument) {
installScript(detect)
installScript(installToast)
}
function installScript (fn) {
const source = ';(' + fn.toString() + ')(window)'
if (isFirefox) {
// eslint-disable-next-line no-eval
window.eval(source) // in Firefox, this evaluates on the content window
} else {
const script = document.createElement('script')
script.textContent = source
document.documentElement.appendChild(script)
script.parentNode.removeChild(script)
}
}