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fix devtools class scope (#156)
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@HugoDF
HugoDF authored Jan 20, 2021
1 parent 1dc37e9 commit 1ebb604
Showing 1 changed file with 135 additions and 136 deletions.
271 changes: 135 additions & 136 deletions packages/shell-chrome/src/backend.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,172 +26,171 @@ function serializeDataProperty(value) {
}
}

class AlpineDevtoolsBackend {
constructor() {
this.components = []
this.uuid = 1
this.hoverElement = null
this.observer = null
this._stopMutationObserver = false
}

runWithMutationPaused(cb) {
this._stopMutationObserver = true
cb()
setTimeout(() => {
function init() {
class AlpineDevtoolsBackend {
constructor() {
this.components = []
this.uuid = 1
this.hoverElement = null
this.observer = null
this._stopMutationObserver = false
}, 10)
}
}

start() {
this.getAlpineVersion()
this.discoverComponents()
runWithMutationPaused(cb) {
this._stopMutationObserver = true
cb()
setTimeout(() => {
this._stopMutationObserver = false
}, 10)
}

// Watch on the body for injected components. This is lightweight
// as work is only done if there are components added/removed
this.observeNode(document.querySelector('body'))
}
start() {
this.getAlpineVersion()
this.discoverComponents()

shutdown() {
this.cleanupHoverElement()
this.disconnectObserver()
}
// Watch on the body for injected components. This is lightweight
// as work is only done if there are components added/removed
this.observeNode(document.querySelector('body'))
}

discoverComponents() {
const rootEls = document.querySelectorAll('[x-data]')
// Exit early if no components have been added or removed
const allComponentsInitialized = Object.values(rootEls).every((e) => e.__alpineDevtool)
if (this.components.length === rootEls.length && allComponentsInitialized) {
return false
shutdown() {
this.cleanupHoverElement()
this.disconnectObserver()
}

this.components = []
discoverComponents() {
const rootEls = document.querySelectorAll('[x-data]')
// Exit early if no components have been added or removed
const allComponentsInitialized = Object.values(rootEls).every((e) => e.__alpineDevtool)
if (this.components.length === rootEls.length && allComponentsInitialized) {
return false
}

rootEls.forEach((rootEl, index) => {
Alpine.initializeComponent(rootEl)
this.components = []

if (!rootEl.__alpineDevtool) {
rootEl.__alpineDevtool = {}
}
rootEls.forEach((rootEl, index) => {
Alpine.initializeComponent(rootEl)

if (!rootEl.__alpineDevtool.id) {
rootEl.__alpineDevtool.id = this.uuid++
window[`$x${rootEl.__alpineDevtool.id - 1}`] = rootEl.__x
}
if (!rootEl.__alpineDevtool) {
rootEl.__alpineDevtool = {}
}

let depth = 0
if (!rootEl.__alpineDevtool.id) {
rootEl.__alpineDevtool.id = this.uuid++
window[`$x${rootEl.__alpineDevtool.id - 1}`] = rootEl.__x
}

if (index != 0) {
rootEls.forEach((innerElement, innerIndex) => {
if (index == innerIndex) {
return false
}
let depth = 0

if (innerElement.contains(rootEl)) {
depth = depth + 1
}
})
}
if (index != 0) {
rootEls.forEach((innerElement, innerIndex) => {
if (index == innerIndex) {
return false
}

const data = Object.entries(rootEl.__x.getUnobservedData()).reduce((acc, [key, value]) => {
acc[key] = serializeDataProperty(value)
if (innerElement.contains(rootEl)) {
depth = depth + 1
}
})
}

return acc
}, {})
const data = Object.entries(rootEl.__x.getUnobservedData()).reduce((acc, [key, value]) => {
acc[key] = serializeDataProperty(value)

this.components.push({
name: getComponentName(rootEl),
depth: depth,
data: data,
index: index,
id: rootEl.__alpineDevtool.id,
return acc
}, {})

this.components.push({
name: getComponentName(rootEl),
depth: depth,
data: data,
index: index,
id: rootEl.__alpineDevtool.id,
})
})
})

window.postMessage(
{
source: 'alpine-devtools-backend',
payload: {
// stringify to unfurl proxies
// there's no way to detect proxies but
// we need to get rid of them
// this avoids `DataCloneError: The object could not be cloned.`
// see https://github.com/Te7a-Houdini/alpinejs-devtools/issues/17
components: JSON.stringify(this.components),
type: 'render-components',
},
},
'*',
)
}

getAlpineVersion() {
window.postMessage(
{
source: 'alpine-devtools-backend',
payload: {
version: window.Alpine.version,
type: 'set-version',
window.postMessage(
{
source: 'alpine-devtools-backend',
payload: {
// stringify to unfurl proxies
// there's no way to detect proxies but
// we need to get rid of them
// this avoids `DataCloneError: The object could not be cloned.`
// see https://github.com/Te7a-Houdini/alpinejs-devtools/issues/17
components: JSON.stringify(this.components),
type: 'render-components',
},
},
},
'*',
)
}
'*',
)
}

observeNode(node) {
const observerOptions = {
childList: true,
attributes: true,
subtree: true,
getAlpineVersion() {
window.postMessage(
{
source: 'alpine-devtools-backend',
payload: {
version: window.Alpine.version,
type: 'set-version',
},
},
'*',
)
}

this.observer = new MutationObserver((_mutations) => {
if (!this._stopMutationObserver) {
this.discoverComponents()
observeNode(node) {
const observerOptions = {
childList: true,
attributes: true,
subtree: true,
}
})

this.observer.observe(node, observerOptions)
}
this.observer = new MutationObserver((_mutations) => {
if (!this._stopMutationObserver) {
this.discoverComponents()
}
})

disconnectObserver() {
if (this.observer) {
this.observer.disconnect()
this.observer = null
this.observer.observe(node, observerOptions)
}
}

addHoverElement(target) {
this.cleanupHoverElement()

let hoverElement = document.createElement('div')
let bounds = target.getBoundingClientRect()

Object.assign(hoverElement.style, {
position: 'absolute',
top: `${bounds.top}px`,
left: `${bounds.left}px`,
width: `${bounds.width}px`,
height: `${bounds.height}px`,
backgroundColor: 'rgba(104, 182, 255, 0.35)',
borderRadius: '4px',
zIndex: 9999,
})
hoverElement.dataset.testid = 'hover-element'

this.hoverElement = hoverElement
document.body.appendChild(this.hoverElement)
}
disconnectObserver() {
if (this.observer) {
this.observer.disconnect()
this.observer = null
}
}

cleanupHoverElement() {
if (this.hoverElement) {
this.hoverElement.remove()
this.hoverElement = null
addHoverElement(target) {
this.cleanupHoverElement()

let hoverElement = document.createElement('div')
let bounds = target.getBoundingClientRect()

Object.assign(hoverElement.style, {
position: 'absolute',
top: `${bounds.top}px`,
left: `${bounds.left}px`,
width: `${bounds.width}px`,
height: `${bounds.height}px`,
backgroundColor: 'rgba(104, 182, 255, 0.35)',
borderRadius: '4px',
zIndex: 9999,
})
hoverElement.dataset.testid = 'hover-element'

this.hoverElement = hoverElement
document.body.appendChild(this.hoverElement)
}
}
}

function init() {
cleanupHoverElement() {
if (this.hoverElement) {
this.hoverElement.remove()
this.hoverElement = null
}
}
}
// using a function scope to avoid running into issues on re-injection
const devtoolsBackend = new AlpineDevtoolsBackend()
window.addEventListener('message', handshake)
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