chore: replace Object.assign with extend

Author: Alfred-Skyblue

packages/compiler-sfc/src/compileScript.ts

@@ -6,7 +6,7 @@ import {
 } from '@vue/compiler-dom'
 import { DEFAULT_FILENAME, SFCDescriptor, SFCScriptBlock } from './parse'
 import { ParserPlugin } from '@babel/parser'
-import { generateCodeFrame } from '@vue/shared'
+import { extend, generateCodeFrame } from '@vue/shared'
 import {
   Node,
   Declaration,
@@ -735,7 +735,7 @@ export function compileScript(
   // 7. analyze binding metadata
   // `defineProps` & `defineModel` also register props bindings
   if (scriptAst) {
-    Object.assign(ctx.bindingMetadata, analyzeScriptBindings(scriptAst.body))
+    extend(ctx.bindingMetadata, analyzeScriptBindings(scriptAst.body))
   }
   for (const [key, { isType, imported, source }] of Object.entries(
     ctx.userImports

packages/compiler-sfc/src/script/resolveType.ts

@@ -34,7 +34,7 @@ import {
 } from './utils'
 import { ScriptCompileContext, resolveParserPlugins } from './context'
 import { ImportBinding, SFCScriptCompileOptions } from '../compileScript'
-import { capitalize, hasOwn } from '@vue/shared'
+import { capitalize, extend, hasOwn } from '@vue/shared'
 import { parse as babelParse } from '@babel/parser'
 import { parse } from '../parse'
 import { createCache } from '../cache'
@@ -1158,7 +1158,7 @@ function recordTypes(
           scope,
           stmt.source.value
         )
-        Object.assign(scope.exportedTypes, sourceScope.exportedTypes)
+        extend(scope.exportedTypes, sourceScope.exportedTypes)
       } else if (stmt.type === 'ExportDefaultDeclaration' && stmt.declaration) {
         if (stmt.declaration.type !== 'Identifier') {
           recordType(stmt.declaration, types, declares, 'default')

packages/runtime-core/src/compat/global.ts

@@ -461,7 +461,7 @@ function installCompatMount(
 
     const hasNoRender =
       !isFunction(component) && !component.render && !component.template
-    const emptyRender = NOOP
+    const emptyRender = () => {}
 
     // create root instance
     const instance = createComponentInstance(vnode, null, null)

packages/runtime-core/src/componentPublicInstance.ts

@@ -381,9 +381,7 @@ export const PublicInstanceProxyHandlers: ProxyHandler<any> = {
           return desc.get.call(instance.proxy)
         } else {
           const val = globalProperties[key]
-          return isFunction(val)
-            ? Object.assign(val.bind(instance.proxy), val)
-            : val
+          return isFunction(val) ? extend(val.bind(instance.proxy), val) : val
         }
       } else {
         return globalProperties[key]

packages/template-explorer/src/index.ts

@@ -1,3 +1,4 @@
+import { extend } from '@vue/shared'
 import * as m from 'monaco-editor'
 import { compile, CompilerError, CompilerOptions } from '@vue/compiler-dom'
 import { compile as ssrCompile } from '@vue/compiler-ssr'
@@ -64,7 +65,7 @@ window.init = () => {
     // to debug with custom nodeTransforms
     delete persistedState.options?.nodeTransforms
     ssrMode.value = persistedState.ssr
-    Object.assign(compilerOptions, persistedState.options)
+    extend(compilerOptions, persistedState.options)
   }
 
   let lastSuccessfulCode: string

packages/template-explorer/src/options.ts

@@ -1,3 +1,4 @@
+import { extend } from '@vue/shared'
 import { h, reactive, createApp, ref } from 'vue'
 import { CompilerOptions } from '@vue/compiler-dom'
 import { BindingTypes } from '@vue/compiler-core'
@@ -27,7 +28,7 @@ export const defaultOptions: CompilerOptions = {
 }
 
 export const compilerOptions: CompilerOptions = reactive(
-  Object.assign({}, defaultOptions)
+  extend({}, defaultOptions)
 )
 
 const App = {