fix: remove object spread literals with object assing (#454)

* remove not used code

* fix: remove object spread literals with object assign

Author: kazupon

docs/.vitepress/theme/index.ts

@@ -1,4 +1,4 @@
-import { h, watch } from 'vue'
+import { h } from 'vue'
 import DefaultTheme from 'vitepress/dist/client/theme-default'
 import Layout from './Layout.vue'
 import Sponsor from './components/Sponsor.vue'

packages/core-base/src/context.ts

@@ -6,6 +6,7 @@ import {
   isRegExp,
   isFunction,
   isPlainObject,
+  assign,
   isObject
 } from '@intlify/shared'
 import { VueDevToolsTimelineEvents } from '@intlify/vue-devtools'
@@ -243,7 +244,7 @@ export function createCoreContext<
   const numberFormats = isPlainObject(options.numberFormats)
     ? options.numberFormats
     : ({ [locale]: {} } as NumberFormats)
-  const modifiers = Object.assign(
+  const modifiers = assign(
     {} as LinkedModifiers<Message>,
     options.modifiers || ({} as LinkedModifiers<Message>),
     getDefaultLinkedModifiers<Message>()

packages/core-base/src/datetime.ts

@@ -4,7 +4,8 @@ import {
   isPlainObject,
   isDate,
   isNumber,
-  isEmptyObject
+  isEmptyObject,
+  assign
 } from '@intlify/shared'
 import {
   getLocaleChain,
@@ -216,7 +217,7 @@ export function datetime<DateTimeFormats, Message = string>(
   if (!formatter) {
     formatter = new Intl.DateTimeFormat(
       targetLocale,
-      Object.assign({}, format, overrides)
+      assign({}, format, overrides)
     )
     __datetimeFormatters.set(id, formatter)
   }

packages/core-base/src/number.ts

@@ -3,7 +3,8 @@ import {
   isBoolean,
   isPlainObject,
   isNumber,
-  isEmptyObject
+  isEmptyObject,
+  assign
 } from '@intlify/shared'
 import {
   getLocaleChain,
@@ -214,7 +215,7 @@ export function number<NumberFormats, Message = string>(
   if (!formatter) {
     formatter = new Intl.NumberFormat(
       targetLocale,
-      Object.assign({}, format, overrides)
+      assign({}, format, overrides)
     )
     __numberFormatters.set(id, formatter)
   }

packages/core-base/src/translate.ts

@@ -13,6 +13,7 @@ import {
   warn,
   mark,
   measure,
+  assign,
   isObject
 } from '@intlify/shared'
 import { resolveValue } from '@intlify/message-resolver'
@@ -405,7 +406,7 @@ export function translate<Messages, Message = string>(
           : '',
       message: ret as string
     }
-    ;(payloads as AdditionalPayloads).meta = Object.assign(
+    ;(payloads as AdditionalPayloads).meta = assign(
       {},
       ((context as unknown) as CoreInternalContext).__meta,
       getAdditionalMeta() || {}
@@ -670,7 +671,7 @@ export function parseTranslateArgs<Message = string>(
   } else if (isString(arg3)) {
     options.default = arg3
   } else if (isPlainObject(arg3)) {
-    Object.assign(options, arg3)
+    assign(options, arg3)
   }
 
   return [key, options]

packages/vue-i18n/src/components/formatRenderer.ts

@@ -72,7 +72,7 @@ export function renderFormatter<
       // Filter out number format options only
       overrides = Object.keys(props.format).reduce((options, prop) => {
         return slotKeys.includes(prop)
-          ? Object.assign({}, options, { [prop]: (props.format as any)[prop] }) // eslint-disable-line @typescript-eslint/no-explicit-any
+          ? assign({}, options, { [prop]: (props.format as any)[prop] }) // eslint-disable-line @typescript-eslint/no-explicit-any
           : options
       }, {})
     }

packages/vue-i18n/src/composer.ts

@@ -17,7 +17,8 @@ import {
   isPlainObject,
   makeSymbol,
   isObject,
-  hasOwn
+  hasOwn,
+  assign
 } from '@intlify/shared'
 import {
   isTranslateFallbackWarn,
@@ -1524,9 +1525,7 @@ export function createComposer<
     if (arg3 && !isObject(arg3)) {
       throw createI18nError(I18nErrorCodes.INVALID_ARGUMENT)
     }
-    return t(
-      ...[arg1, arg2, Object.assign({ resolvedMessage: true }, arg3 || {})]
-    )
+    return t(...[arg1, arg2, assign({ resolvedMessage: true }, arg3 || {})])
   }
 
   // d
@@ -1706,7 +1705,7 @@ export function createComposer<
 
   // mergeDateTimeFormat
   function mergeDateTimeFormat(locale: Locale, format: DateTimeFormat): void {
-    _datetimeFormats.value[locale] = Object.assign(
+    _datetimeFormats.value[locale] = assign(
       _datetimeFormats.value[locale] || {},
       format
     )
@@ -1728,7 +1727,7 @@ export function createComposer<
 
   // mergeNumberFormat
   function mergeNumberFormat(locale: Locale, format: NumberFormat): void {
-    _numberFormats.value[locale] = Object.assign(
+    _numberFormats.value[locale] = assign(
       _numberFormats.value[locale] || {},
       format
     )

packages/vue-i18n/src/i18n.ts

@@ -12,7 +12,8 @@ import {
   isBoolean,
   warn,
   makeSymbol,
-  createEmitter
+  createEmitter,
+  assign
 } from '@intlify/shared'
 import {
   getLocaleMessages,
@@ -622,9 +623,11 @@ export function useI18n<
   if (composer == null) {
     const type = instance.type as ComponentOptions
     const composerOptions: ComposerOptions &
-      ComposerInternalOptions<Messages, DateTimeFormats, NumberFormats> = {
-      ...options
-    }
+      ComposerInternalOptions<
+        Messages,
+        DateTimeFormats,
+        NumberFormats
+      > = assign({}, options)
 
     if (type.__i18n) {
       composerOptions.__i18n = type.__i18n

packages/vue-i18n/src/legacy.ts

@@ -9,6 +9,7 @@ import {
   isBoolean,
   isFunction,
   isRegExp,
+  assign,
   warn
 } from '@intlify/shared'
 
@@ -1108,7 +1109,7 @@ function convertComposerOptions<
     const locales: Locale[] = Object.keys(sharedMessages)
     messages = locales.reduce((messages, locale) => {
       const message = messages[locale] || (messages[locale] = {})
-      Object.assign(message, sharedMessages[locale])
+      assign(message, sharedMessages[locale])
       return messages
     }, (messages || {}) as LocaleMessages<VueMessageType>) as typeof options.messages
   }

packages/vue-i18n/test/helper.ts

@@ -15,7 +15,7 @@ import {
 import { compile } from '@vue/compiler-dom'
 import * as runtimeDom from '@vue/runtime-dom'
 import { I18n } from '../src/i18n'
-import { isBoolean } from '@intlify/shared'
+import { isBoolean, assign } from '@intlify/shared'
 
 export interface MountOptions {
   propsData: Record<string, any> // eslint-disable-line @typescript-eslint/no-explicit-any
@@ -93,7 +93,7 @@ export function mount<
   return new Promise((resolve, reject) => {
     // NOTE: only supports props as an object
     const propsData = reactive(
-      Object.assign(
+      assign(
         // @ts-ignore
         initialProps(TargetComponent.props || {}),
         options.propsData
@@ -102,7 +102,7 @@ export function mount<
 
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     function setProps(partialProps: Record<string, any>) {
-      Object.assign(propsData, partialProps)
+      assign(propsData, partialProps)
       return nextTick()
     }