From 5b07a9fe49f59828a509995772e5923c8bb89526 Mon Sep 17 00:00:00 2001
From: Jindorf <jannik-indorf@hotmail.de>
Date: Wed, 10 Jan 2024 15:30:56 +0100
Subject: [PATCH] fix(locale): memory leak with default rtl values #18965
 (#18975)

fixes #18965

Co-authored-by: Indorf, Jannik <jannik.indorf@eventim.de>
Co-authored-by: John Leider <john@vuetifyjs.com>
---
 packages/vuetify/src/composables/locale.ts    | 49 ++++++++++++++++++-
 .../src/locale/__tests__/index.spec.ts        |  4 +-
 packages/vuetify/src/locale/index.ts          | 44 -----------------
 3 files changed, 49 insertions(+), 48 deletions(-)

diff --git a/packages/vuetify/src/composables/locale.ts b/packages/vuetify/src/composables/locale.ts
index bcedbfe2ba4..bb06bc701c2 100644
--- a/packages/vuetify/src/composables/locale.ts
+++ b/packages/vuetify/src/composables/locale.ts
@@ -1,6 +1,5 @@
 // Utilities
 import { computed, inject, provide, ref } from 'vue'
-import { defaultRtl } from '@/locale'
 import { createVuetifyAdapter } from '@/locale/adapters/vuetify'
 
 // Types
@@ -81,8 +80,54 @@ export interface RtlInstance {
 
 export const RtlSymbol: InjectionKey<RtlInstance> = Symbol.for('vuetify:rtl')
 
+function genDefaults () {
+  return {
+    af: false,
+    ar: true,
+    bg: false,
+    ca: false,
+    ckb: false,
+    cs: false,
+    de: false,
+    el: false,
+    en: false,
+    es: false,
+    et: false,
+    fa: true,
+    fi: false,
+    fr: false,
+    hr: false,
+    hu: false,
+    he: true,
+    id: false,
+    it: false,
+    ja: false,
+    ko: false,
+    lv: false,
+    lt: false,
+    nl: false,
+    no: false,
+    pl: false,
+    pt: false,
+    ro: false,
+    ru: false,
+    sk: false,
+    sl: false,
+    srCyrl: false,
+    srLatn: false,
+    sv: false,
+    th: false,
+    tr: false,
+    az: false,
+    uk: false,
+    vi: false,
+    zhHans: false,
+    zhHant: false,
+  }
+}
+
 export function createRtl (i18n: LocaleInstance, options?: RtlOptions): RtlInstance {
-  const rtl = ref<Record<string, boolean>>(options?.rtl ?? defaultRtl)
+  const rtl = ref<Record<string, boolean>>(options?.rtl ?? genDefaults())
   const isRtl = computed(() => rtl.value[i18n.current.value] ?? false)
 
   return {
diff --git a/packages/vuetify/src/locale/__tests__/index.spec.ts b/packages/vuetify/src/locale/__tests__/index.spec.ts
index 9c2635c0e13..d350805a4c9 100755
--- a/packages/vuetify/src/locale/__tests__/index.spec.ts
+++ b/packages/vuetify/src/locale/__tests__/index.spec.ts
@@ -6,7 +6,7 @@ import * as locales from '../'
 
 describe('locales', () => {
   it('should have listed all available locales in index.ts', async () => {
-    const imported = Object.keys(locales).filter(key => key !== 'defaultRtl')
+    const imported = Object.keys(locales).filter(key => key !== 'default')
     const dir = fs.readdirSync(path.resolve(__dirname, '..'))
       .filter(filename => !['adapters', 'index.ts', '__tests__'].includes(filename))
       .map(filename => filename.replace(/\.ts$/, '').replace('-', ''))
@@ -22,6 +22,6 @@ describe('locales', () => {
     }, {} as Record<string, any>)
     const enUnfilled = unfill(locales.en)
 
-    Object.entries(locales).forEach(([locale, messages]) => locale !== 'defaultRtl' && expect(unfill(messages)).toStrictEqual(enUnfilled))
+    Object.entries(locales).forEach(([locale, messages]) => locale !== 'default' && expect(unfill(messages)).toStrictEqual(enUnfilled))
   })
 })
diff --git a/packages/vuetify/src/locale/index.ts b/packages/vuetify/src/locale/index.ts
index 9669aeb6179..14291b29252 100755
--- a/packages/vuetify/src/locale/index.ts
+++ b/packages/vuetify/src/locale/index.ts
@@ -40,47 +40,3 @@ export { default as uk } from './uk'
 export { default as vi } from './vi'
 export { default as zhHans } from './zh-Hans'
 export { default as zhHant } from './zh-Hant'
-
-export const defaultRtl = {
-  af: false,
-  ar: true,
-  bg: false,
-  ca: false,
-  ckb: false,
-  cs: false,
-  de: false,
-  el: false,
-  en: false,
-  es: false,
-  et: false,
-  fa: true,
-  fi: false,
-  fr: false,
-  hr: false,
-  hu: false,
-  he: true,
-  id: false,
-  it: false,
-  ja: false,
-  ko: false,
-  lv: false,
-  lt: false,
-  nl: false,
-  no: false,
-  pl: false,
-  pt: false,
-  ro: false,
-  ru: false,
-  sk: false,
-  sl: false,
-  srCyrl: false,
-  srLatn: false,
-  sv: false,
-  th: false,
-  tr: false,
-  az: false,
-  uk: false,
-  vi: false,
-  zhHans: false,
-  zhHant: false,
-}