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import { BridgeEvents, SharedData, createThrottleQueue, parse, stringify } from '@vue-devtools/shared-utils'
import type { AppRecord, BackendContext } from '@vue-devtools/app-backend-api'
import { BuiltinBackendFeature } from '@vue-devtools/app-backend-api'
import type { App, ComponentInstance, EditStatePayload } from '@vue/devtools-api'
import { getAppRecord } from './app'
const MAX_$VM = 10
const $vmQueue = []
export async function sendComponentTreeData(appRecord: AppRecord, instanceId: string, filter = '', maxDepth: number = null, recursively = false, ctx: BackendContext) {
if (!instanceId || appRecord !== ctx.currentAppRecord) {
return
}
// Flush will send all components in the tree
// So we skip individiual tree updates
if (
instanceId !== '_root'
&& ctx.currentAppRecord.backend.options.features.includes(BuiltinBackendFeature.FLUSH)
) {
return
}
const instance = getComponentInstance(appRecord, instanceId, ctx)
if (!instance) {
ctx.bridge.send(BridgeEvents.TO_FRONT_COMPONENT_TREE, {
instanceId,
treeData: null,
notFound: true,
})
}
else {
if (filter) {
filter = filter.toLowerCase()
}
if (maxDepth == null) {
maxDepth = instance === ctx.currentAppRecord.rootInstance ? 2 : 1
}
const data = await appRecord.backend.api.walkComponentTree(instance, maxDepth, filter, recursively)
const payload = {
instanceId,
treeData: stringify(data),
}
ctx.bridge.send(BridgeEvents.TO_FRONT_COMPONENT_TREE, payload)
}
}
export async function sendSelectedComponentData(appRecord: AppRecord, instanceId: string, ctx: BackendContext) {
if (!instanceId || appRecord !== ctx.currentAppRecord) {
return
}
const instance = getComponentInstance(appRecord, instanceId, ctx)
if (!instance) {
sendEmptyComponentData(instanceId, ctx)
}
else {
// Expose instance on window
if (typeof window !== 'undefined') {
const win = window as any
win.$vm = instance
// $vm0, $vm1, $vm2, ...
if ($vmQueue[0] !== instance) {
if ($vmQueue.length >= MAX_$VM) {
$vmQueue.pop()
}
for (let i = $vmQueue.length; i > 0; i--) {
win[`$vm${i}`] = $vmQueue[i] = $vmQueue[i - 1]
}
win.$vm0 = $vmQueue[0] = instance
}
}
if (SharedData.debugInfo) {
// eslint-disable-next-line no-console
console.log('[DEBUG] inspect', instance)
}
const parentInstances = await appRecord.backend.api.walkComponentParents(instance)
const payload = {
instanceId,
data: stringify(await appRecord.backend.api.inspectComponent(instance, ctx.currentAppRecord.options.app)),
parentIds: parentInstances.map(i => i.__VUE_DEVTOOLS_UID__),
}
ctx.bridge.send(BridgeEvents.TO_FRONT_COMPONENT_SELECTED_DATA, payload)
markSelectedInstance(instanceId, ctx)
}
}
export function markSelectedInstance(instanceId: string, ctx: BackendContext) {
ctx.currentInspectedComponentId = instanceId
ctx.currentAppRecord.lastInspectedComponentId = instanceId
}
export function sendEmptyComponentData(instanceId: string, ctx: BackendContext) {
ctx.bridge.send(BridgeEvents.TO_FRONT_COMPONENT_SELECTED_DATA, {
instanceId,
data: null,
})
}
export async function editComponentState(instanceId: string, dotPath: string, type: string, state: EditStatePayload, ctx: BackendContext) {
if (!instanceId) {
return
}
const instance = getComponentInstance(ctx.currentAppRecord, instanceId, ctx)
if (instance) {
if ('value' in state && state.value != null) {
state.value = parse(state.value, true)
}
await ctx.currentAppRecord.backend.api.editComponentState(instance, dotPath, type, state, ctx.currentAppRecord.options.app)
await sendSelectedComponentData(ctx.currentAppRecord, instanceId, ctx)
}
}
export async function getComponentId(app: App, uid: number, instance: ComponentInstance, ctx: BackendContext) {
try {
if (instance.__VUE_DEVTOOLS_UID__) {
return instance.__VUE_DEVTOOLS_UID__
}
const appRecord = await getAppRecord(app, ctx)
if (!appRecord) {
return null
}
const isRoot = appRecord.rootInstance === instance
return `${appRecord.id}:${isRoot ? 'root' : uid}`
}
catch (e) {
if (SharedData.debugInfo) {
console.error(e)
}
return null
}
}
export function getComponentInstance(appRecord: AppRecord, instanceId: string, _ctx: BackendContext) {
if (instanceId === '_root') {
instanceId = `${appRecord.id}:root`
}
const instance = appRecord.instanceMap.get(instanceId)
if (!instance) {
appRecord.missingInstanceQueue.add(instanceId)
if (SharedData.debugInfo) {
console.warn(`Instance uid=${instanceId} not found`)
}
}
return instance
}
export async function refreshComponentTreeSearch(ctx: BackendContext) {
if (!ctx.currentAppRecord.componentFilter) {
return
}
await sendComponentTreeData(ctx.currentAppRecord, '_root', ctx.currentAppRecord.componentFilter, null, false, ctx)
}
const updateTrackingQueue = createThrottleQueue(500)
export function sendComponentUpdateTracking(instanceId: string, time: number, ctx: BackendContext) {
if (!instanceId) {
return
}
updateTrackingQueue.add(instanceId, () => {
const payload = {
instanceId,
time,
}
ctx.bridge.send(BridgeEvents.TO_FRONT_COMPONENT_UPDATED, payload)
})
}
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