diff --git a/packages/nuxt/src/app/components/nuxt-island.ts b/packages/nuxt/src/app/components/nuxt-island.ts
index 20d1f11cbf..59d0138c1d 100644
--- a/packages/nuxt/src/app/components/nuxt-island.ts
+++ b/packages/nuxt/src/app/components/nuxt-island.ts
@@ -34,7 +34,8 @@ async function loadComponents (source = appBaseURL, paths: NuxtIslandResponse['c
 
   const promises: Array<Promise<void>> = []
 
-  for (const [component, item] of Object.entries(paths)) {
+  for (const component in paths) {
+    const item = paths[component]!
     if (!(components!.has(component))) {
       promises.push((async () => {
         const chunkSource = join(source, item.chunk)
@@ -146,10 +147,10 @@ export default defineComponent({
         html = html.replace(ISLAND_SCOPE_ID_RE, full => full + ' ' + props.scopeId)
       }
 
-      if (import.meta.client && !canLoadClientComponent.value) {
-        for (const [key, value] of Object.entries(payloads.components || {})) {
+      if (import.meta.client && !canLoadClientComponent.value && payloads.components) {
+        for (const key in payloads.components) {
           html = html.replace(new RegExp(` data-island-uid="${uid.value}" data-island-component="${key}"[^>]*>`), (full) => {
-            return full + value.html
+            return full + payloads.components![key]!.html
           })
         }
       }
@@ -289,8 +290,8 @@ export default defineComponent({
             if (selectiveClient) {
               if (import.meta.server) {
                 if (payloads.components) {
-                  for (const [id, info] of Object.entries(payloads.components)) {
-                    const { html, slots } = info
+                  for (const id in payloads.components) {
+                    const { html, slots } = payloads.components[id]!
                     let replaced = html.replaceAll('data-island-uid', `data-island-uid="${uid.value}"`)
                     for (const slot in slots) {
                       replaced = replaced.replaceAll(`data-island-slot="${slot}">`, full => full + slots[slot])
@@ -301,8 +302,8 @@ export default defineComponent({
                   }
                 }
               } else if (canLoadClientComponent.value && payloads.components) {
-                for (const [id, info] of Object.entries(payloads.components)) {
-                  const { props, slots } = info
+                for (const id in payloads.components) {
+                  const { props, slots } = payloads.components[id]!
                   const component = components!.get(id)!
                   // use different selectors for even and odd teleportKey to force trigger the teleport
                   const vnode = createVNode(Teleport, { to: `${isKeyOdd ? 'div' : ''}[data-island-uid='${uid.value}'][data-island-component="${id}"]` }, {
diff --git a/packages/nuxt/src/app/composables/fetch.ts b/packages/nuxt/src/app/composables/fetch.ts
index 5ce5a87d1f..b6120842ee 100644
--- a/packages/nuxt/src/app/composables/fetch.ts
+++ b/packages/nuxt/src/app/composables/fetch.ts
@@ -250,8 +250,8 @@ function generateOptionSegments<_ResT, DataT, DefaultT> (opts: UseFetchOptions<_
     if (!obj) { continue }
 
     const unwrapped: Record<string, string> = {}
-    for (const [key, value] of Object.entries(obj)) {
-      unwrapped[toValue(key)] = toValue(value)
+    for (const key in obj) {
+      unwrapped[toValue(key)] = toValue(obj[key])
     }
     segments.push(unwrapped)
   }
diff --git a/packages/nuxt/src/components/module.ts b/packages/nuxt/src/components/module.ts
index a2a1d8ca7d..5663b05ac5 100644
--- a/packages/nuxt/src/components/module.ts
+++ b/packages/nuxt/src/components/module.ts
@@ -144,7 +144,8 @@ export default defineNuxtModule<ComponentsOptions>({
     nuxt.hook('build:manifest', (manifest) => {
       const sourceFiles = getComponents().filter(c => c.global).map(c => relative(nuxt.options.srcDir, c.filePath))
 
-      for (const chunk of Object.values(manifest)) {
+      for (const chunkId in manifest) {
+        const chunk = manifest[chunkId]!
         if (chunk.isEntry) {
           chunk.dynamicImports =
             chunk.dynamicImports?.filter(i => !sourceFiles.includes(i))
diff --git a/packages/nuxt/src/components/plugins/islands-transform.ts b/packages/nuxt/src/components/plugins/islands-transform.ts
index a3e2aba41a..b888b4c5c5 100644
--- a/packages/nuxt/src/components/plugins/islands-transform.ts
+++ b/packages/nuxt/src/components/plugins/islands-transform.ts
@@ -214,7 +214,8 @@ export const ComponentsChunkPlugin = createUnplugin((options: ComponentChunkOpti
       async generateBundle (_opts, bundle) {
         const components = options.getComponents().filter(c => c.mode === 'client' || c.mode === 'all')
         const pathAssociation: Record<string, string> = {}
-        for (const [chunkPath, chunkInfo] of Object.entries(bundle)) {
+        for (const chunkPath in bundle) {
+          const chunkInfo = bundle[chunkPath]!
           if (chunkInfo.type !== 'chunk') { continue }
 
           for (const component of components) {
diff --git a/packages/nuxt/src/core/nuxt.ts b/packages/nuxt/src/core/nuxt.ts
index 835d71c9bd..83c43c08f6 100644
--- a/packages/nuxt/src/core/nuxt.ts
+++ b/packages/nuxt/src/core/nuxt.ts
@@ -346,7 +346,8 @@ async function initNuxt (nuxt: Nuxt) {
   // TODO: [Experimental] Avoid emitting assets when flag is enabled
   if (nuxt.options.features.noScripts && !nuxt.options.dev) {
     nuxt.hook('build:manifest', async (manifest) => {
-      for (const chunk of Object.values(manifest)) {
+      for (const chunkId in manifest) {
+        const chunk = manifest[chunkId]!
         if (chunk.resourceType === 'script') {
           await rm(resolve(nuxt.options.buildDir, 'dist/client', withoutLeadingSlash(nuxt.options.app.buildAssetsDir), chunk.file), { force: true })
           chunk.file = ''
diff --git a/packages/nuxt/src/core/runtime/nitro/renderer.ts b/packages/nuxt/src/core/runtime/nitro/renderer.ts
index 4a7037ae44..fe95a7229e 100644
--- a/packages/nuxt/src/core/runtime/nitro/renderer.ts
+++ b/packages/nuxt/src/core/runtime/nitro/renderer.ts
@@ -396,7 +396,8 @@ export default defineRenderHandler(async (event): Promise<Partial<RenderResponse
   }
   if (!isRenderingIsland || import.meta.dev) {
     const link: Link[] = []
-    for (const resource of Object.values(styles)) {
+    for (const resourceId in styles) {
+      const resource = styles[resourceId]!
       // Do not add links to resources that are inlined (vite v5+)
       if (import.meta.dev && 'inline' in getURLQuery(resource.file)) {
         continue
@@ -462,7 +463,9 @@ export default defineRenderHandler(async (event): Promise<Partial<RenderResponse
   if (isRenderingIsland && islandContext) {
     const islandHead: Head = {}
     for (const entry of head.headEntries()) {
-      for (const [key, value] of Object.entries(resolveUnrefHeadInput(entry.input) as Head)) {
+      const currentEntry = resolveUnrefHeadInput(entry.input)
+      for (const key in currentEntry as Head) {
+        const value = currentEntry[key]
         const currentValue = islandHead[key as keyof Head]
         if (Array.isArray(currentValue)) {
           currentValue.push(...value)
@@ -661,9 +664,9 @@ const SSR_CLIENT_SLOT_MARKER = /^island-slot=[^;]*;(.*)$/
 function getSlotIslandResponse (ssrContext: NuxtSSRContext): NuxtIslandResponse['slots'] {
   if (!ssrContext.islandContext || !Object.keys(ssrContext.islandContext.slots).length) { return undefined }
   const response: NuxtIslandResponse['slots'] = {}
-  for (const [name, slot] of Object.entries(ssrContext.islandContext.slots)) {
+  for (const name in ssrContext.islandContext.slots) {
     response[name] = {
-      ...slot,
+      ...ssrContext.islandContext.slots[name]!,
       fallback: ssrContext.teleports?.[`island-fallback=${name}`],
     }
   }
@@ -674,11 +677,11 @@ function getClientIslandResponse (ssrContext: NuxtSSRContext): NuxtIslandRespons
   if (!ssrContext.islandContext || !Object.keys(ssrContext.islandContext.components).length) { return undefined }
   const response: NuxtIslandResponse['components'] = {}
 
-  for (const [clientUid, component] of Object.entries(ssrContext.islandContext.components)) {
+  for (const clientUid in ssrContext.islandContext.components) {
     // remove teleport anchor to avoid hydration issues
     const html = ssrContext.teleports?.[clientUid]?.replaceAll('<!--teleport start anchor-->', '') || ''
     response[clientUid] = {
-      ...component,
+      ...ssrContext.islandContext.components[clientUid]!,
       html,
       slots: getComponentSlotTeleport(ssrContext.teleports ?? {}),
     }
diff --git a/packages/nuxt/src/pages/module.ts b/packages/nuxt/src/pages/module.ts
index 050d1c659d..29950ae975 100644
--- a/packages/nuxt/src/pages/module.ts
+++ b/packages/nuxt/src/pages/module.ts
@@ -436,7 +436,8 @@ export default defineNuxtModule({
       nuxt.hook('pages:extend', (routes) => {
         const nitro = useNitro()
         let resolvedRoutes: string[]
-        for (const [path, rule] of Object.entries(nitro.options.routeRules)) {
+        for (const path in nitro.options.routeRules) {
+          const rule = nitro.options.routeRules[path]!
           if (!rule.redirect) { continue }
           resolvedRoutes ||= routes.flatMap(route => resolveRoutePaths(route))
           // skip if there's already a route matching this path
@@ -480,7 +481,8 @@ export default defineNuxtModule({
       if (nuxt.options.dev) { return }
       const sourceFiles = nuxt.apps.default?.pages?.length ? getSources(nuxt.apps.default.pages) : []
 
-      for (const [key, chunk] of Object.entries(manifest)) {
+      for (const key in manifest) {
+        const chunk = manifest[key]!
         if (chunk.src && Object.values(nuxt.apps).some(app => app.pages?.some(page => page.mode === 'server' && page.file === join(nuxt.options.srcDir, chunk.src!)))) {
           delete manifest[key]
           continue
diff --git a/packages/vite/src/plugins/analyze.ts b/packages/vite/src/plugins/analyze.ts
index d5e8e4432e..edecf536c7 100644
--- a/packages/vite/src/plugins/analyze.ts
+++ b/packages/vite/src/plugins/analyze.ts
@@ -18,7 +18,8 @@ export function analyzePlugin (ctx: ViteBuildContext): Plugin[] {
           const bundle = outputBundle[_bundleId]
           if (!bundle || bundle.type !== 'chunk') { continue }
           const minifiedModuleEntryPromises: Array<Promise<[string, RenderedModule]>> = []
-          for (const [moduleId, module] of Object.entries(bundle.modules)) {
+          for (const moduleId in bundle.modules) {
+            const module = bundle.modules[moduleId]!
             minifiedModuleEntryPromises.push(
               transform(module.code || '', { minify: true })
                 .then(result => [moduleId, { ...module, code: result.code }]),
diff --git a/packages/vite/src/plugins/nitro-sourcemap.ts b/packages/vite/src/plugins/nitro-sourcemap.ts
index 01c2dc372b..023ffada3f 100644
--- a/packages/vite/src/plugins/nitro-sourcemap.ts
+++ b/packages/vite/src/plugins/nitro-sourcemap.ts
@@ -14,7 +14,8 @@ export const createSourcemapPreserver = () => {
       outputDir = config.build.outDir
     },
     async writeBundle (_options, bundle) {
-      for (const chunk of Object.values(bundle)) {
+      for (const chunkId in bundle) {
+        const chunk = bundle[chunkId]!
         if (chunk.type !== 'chunk' || !chunk.map) { continue }
 
         const id = resolve(outputDir, chunk.fileName)
diff --git a/packages/vite/src/plugins/public-dirs.ts b/packages/vite/src/plugins/public-dirs.ts
index 970bb2af1e..d97f3966aa 100644
--- a/packages/vite/src/plugins/public-dirs.ts
+++ b/packages/vite/src/plugins/public-dirs.ts
@@ -87,7 +87,8 @@ export const VitePublicDirsPlugin = createUnplugin((options: VitePublicDirsPlugi
           }
         },
         generateBundle (_outputOptions, bundle) {
-          for (const [file, chunk] of Object.entries(bundle)) {
+          for (const file in bundle) {
+            const chunk = bundle[file]!
             if (!file.endsWith('.css') || chunk.type !== 'asset') { continue }
 
             let css = chunk.source.toString()
diff --git a/packages/vite/src/plugins/ssr-styles.ts b/packages/vite/src/plugins/ssr-styles.ts
index ce9936699f..d36f195223 100644
--- a/packages/vite/src/plugins/ssr-styles.ts
+++ b/packages/vite/src/plugins/ssr-styles.ts
@@ -62,7 +62,8 @@ export function ssrStylesPlugin (options: SSRStylePluginOptions): Plugin {
       if (options.mode === 'client') { return }
 
       const emitted: Record<string, string> = {}
-      for (const [file, { files, inBundle }] of Object.entries(cssMap)) {
+      for (const file in cssMap) {
+        const { files, inBundle } = cssMap[file]!
         // File has been tree-shaken out of build (or there are no styles to inline)
         if (!files.length || !inBundle) { continue }
         const fileName = filename(file)
diff --git a/packages/vite/src/vite.ts b/packages/vite/src/vite.ts
index 5500f4bed0..cc489be768 100644
--- a/packages/vite/src/vite.ts
+++ b/packages/vite/src/vite.ts
@@ -201,7 +201,8 @@ export const bundle: NuxtBuilder['bundle'] = async (nuxt) => {
 
     // Remove CSS entries for files that will have inlined styles
     ctx.nuxt.hook('build:manifest', (manifest) => {
-      for (const [key, entry] of Object.entries(manifest)) {
+      for (const key in manifest) {
+        const entry = manifest[key]!
         const shouldRemoveCSS = chunksWithInlinedCSS.has(key) && !entry.isEntry
         if (entry.isEntry && chunksWithInlinedCSS.has(key)) {
           // @ts-expect-error internal key
diff --git a/packages/webpack/src/plugins/vue/client.ts b/packages/webpack/src/plugins/vue/client.ts
index 3f217f3e1d..ff447dc300 100644
--- a/packages/webpack/src/plugins/vue/client.ts
+++ b/packages/webpack/src/plugins/vue/client.ts
@@ -33,7 +33,8 @@ export default class VueSSRClientPlugin {
       const stats = compilation.getStats().toJson()
 
       const initialFiles = new Set<string>()
-      for (const { assets } of Object.values(stats.entrypoints!)) {
+      for (const assetId in stats.entrypoints!) {
+        const { assets } = stats.entrypoints[assetId]!
         if (!assets) { continue }
 
         for (const asset of assets) {