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import type { BackendContext } from '@vue-devtools/app-backend-api'
import { HookEvents } from '@vue-devtools/shared-utils'
const internalRE = /^(?:pre-)?hook:/
function wrap(app, Vue, method, ctx: BackendContext) {
const original = Vue.prototype[method]
if (original) {
Vue.prototype[method] = function (...args) {
const res = original.apply(this, args)
logEvent(this, method, args[0], args.slice(1))
return res
}
}
function logEvent(vm, type, eventName, payload) {
// The string check is important for compat with 1.x where the first
// argument may be an object instead of a string.
// this also ensures the event is only logged for direct $emit (source)
// instead of by $dispatch/$broadcast
if (typeof eventName === 'string' && !internalRE.test(eventName)) {
const instance = vm._self || vm
ctx.hook.emit(HookEvents.COMPONENT_EMIT, app, instance, eventName, payload)
}
}
}
export function wrapVueForEvents(app, Vue, ctx: BackendContext) {
['$emit', '$broadcast', '$dispatch'].forEach((method) => {
wrap(app, Vue, method, ctx)
})
}
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