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fix: 【发行为混合分包】TypeError: t.$callHook is not a function #4829

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fix: 【发行为混合分包】TypeError: t.$callHook is not a function #4829

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bbd0033
fix: 【发行为混合分包】TypeError: t.$callHook is not a function
viccici Apr 11, 2024
3b42482
fix(mp): 修复发行为混合发包时报错的 Bug
chouchouji Aug 25, 2025
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4 changes: 3 additions & 1 deletion packages/uni-mp-core/src/runtime/app.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ import {
ref,
} from 'vue'

import { initBaseInstance } from './componentInstance'
import { callHook, hasHook, initBaseInstance } from './componentInstance'
import { initHooks, initUnknownHooks } from './componentHooks'
import { getLocaleLanguage } from '../runtime/util'

Expand Down Expand Up @@ -123,6 +123,8 @@ export function initCreateSubpackageApp(parseAppOptions?: ParseAppOptions) {
})
if (!app) return
;(vm.$ as any).ctx.$scope = app
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Copilot AI May 23, 2025

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Assigning '$hasHook' and '$callHook' synchronously resolves the async race condition that previously resulted in 't.$callHook is not a function'. Consider adding a comment explaining why these assignments are done here for future maintainability.

Suggested change
;(vm.$ as any).ctx.$scope = app
;(vm.$ as any).ctx.$scope = app
// Assigning `$hasHook` and `$callHook` synchronously is critical to prevent
// an async race condition that could result in `t.$callHook is not a function`.
// Do not modify the order or timing of these assignments without understanding
// the potential impact on app lifecycle hooks.

Copilot uses AI. Check for mistakes.

;(vm.$ as any).ctx.$hasHook = hasHook
;(vm.$ as any).ctx.$callHook = callHook
const globalData = app.globalData
if (globalData) {
Object.keys(appOptions.globalData).forEach((name) => {
Expand Down
8 changes: 6 additions & 2 deletions packages/uni-mp-core/src/runtime/componentInstance.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -187,15 +187,19 @@ export function initMocks(
})
}

function hasHook(this: ComponentPublicInstance, name: string) {
export function hasHook(this: ComponentPublicInstance, name: string) {
const hooks = (this.$ as any)[name]
if (hooks && hooks.length) {
return true
}
return false
}

function callHook(this: ComponentPublicInstance, name: string, args?: unknown) {
export function callHook(
this: ComponentPublicInstance,
name: string,
args?: unknown
) {
if (name === 'mounted') {
callHook.call(this, 'bm') // beforeMount
this.$.isMounted = true
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