refactor: update vite peer dep and remove esbuild (#1266)

dominikg · web-flow · commit c6db09280ce0 · 2026-01-14T13:01:22.000Z
* refactor: update vite peer dep and remove esbuild and rolldownVersion branched code

* fix: restore reading rollupOptions.optimization.inlineConst, its deprecated in vite8, users could still use it

* chore: update deps of svelte inspector
diff --git a/.changeset/bumpy-ways-bathe.md b/.changeset/bumpy-ways-bathe.md
@@ -0,0 +1,6 @@
+---
+'@sveltejs/vite-plugin-svelte-inspector': major
+'@sveltejs/vite-plugin-svelte': major
+---
+
+breaking(deps): require vite 8
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -96,11 +96,6 @@ jobs:
             os: ubuntu-latest
             vite: 'baseline'
             svelte: 'baseline'
-          # future test with vite-8-beta
-          - node: 24
-            os: ubuntu-latest
-            vite: '8-beta'
-            svelte: 'current'
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
@@ -124,25 +119,17 @@ jobs:
       - name: downgrade vite to baseline
         if: matrix.vite == 'baseline'
         run: |
-          pnpm update -r --no-save vite@6.3.0
+          pnpm update -r --no-save vite@8.0.0-beta.7
           pnpm ls vite
       - name: downgrade svelte to baseline
         if: matrix.svelte == 'baseline'
         run: |
           pnpm update -r --no-save svelte@5.0.0
           pnpm ls svelte
-      - name: update vite to vite-8-beta
-        if: matrix.vite == '8-beta'
-        run: |
-          pnpm update -r --no-save vite@beta
-          pnpm ls vite
       - name: install playwright chromium
         run: pnpm playwright install chromium --only-shell
       - name: run tests
         run: pnpm test
-      - name: check-types with vite-8-beta
-        if: matrix.vite == '8-beta'
-        run: pnpm check:types
       - name: archive tests temp directory
         if: failure()
         shell: bash
diff --git a/package.json b/package.json
@@ -56,7 +56,7 @@
     "svelte-eslint-parser": "^1.4.0",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.48.0",
-    "vite": "^7.2.6",
+    "vite": "^8.0.0-beta.7",
     "vitest": "^4.0.15"
   },
   "lint-staged": {
diff --git a/packages/e2e-tests/autoprefixer-browerslist/package.json b/packages/e2e-tests/autoprefixer-browerslist/package.json
@@ -17,7 +17,7 @@
     "postcss-load-config": "^6.0.1",
     "svelte": "^5.45.4",
     "svelte-preprocess": "^6.0.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/build-multiple/package.json b/packages/e2e-tests/build-multiple/package.json
@@ -11,6 +11,6 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/build-watch/__tests__/build-watch.spec.ts b/packages/e2e-tests/build-watch/__tests__/build-watch.spec.ts
@@ -8,14 +8,9 @@ import {
 	sleep,
 	getColor,
 	browserLogs,
-	e2eServer,
 	getWatchErrors
 } from '~utils';
 
-import * as vite from 'vite';
-// @ts-ignore
-const isRolldownVite = !!vite.rolldownVersion;
-
 describe.runIf(isBuildWatch)('build-watch', () => {
 	test('should render App', async () => {
 		expect(await getText('#app-header')).toBe('Test-App');
diff --git a/packages/e2e-tests/build-watch/package.json b/packages/e2e-tests/build-watch/package.json
@@ -16,7 +16,7 @@
     "e2e-test-dep-vite-plugins": "file:../_test_dependencies/vite-plugins",
     "node-fetch": "^3.3.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/configfile-custom/package.json b/packages/e2e-tests/configfile-custom/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/configfile-esm/package.json b/packages/e2e-tests/configfile-esm/package.json
@@ -14,7 +14,7 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
     "svelte-preprocess": "^6.0.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/css-dev-sourcemap/package.json b/packages/e2e-tests/css-dev-sourcemap/package.json
@@ -12,6 +12,6 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.94.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/css-treeshake/package.json b/packages/e2e-tests/css-treeshake/package.json
@@ -12,6 +12,6 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.94.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/custom-extensions/package.json b/packages/e2e-tests/custom-extensions/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/dynamic-compile-options/package.json b/packages/e2e-tests/dynamic-compile-options/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/env/package.json b/packages/e2e-tests/env/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/hmr-css-first/package.json b/packages/e2e-tests/hmr-css-first/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/hmr/package.json b/packages/e2e-tests/hmr/package.json
@@ -15,7 +15,7 @@
     "e2e-test-dep-vite-plugins": "file:../_test_dependencies/vite-plugins",
     "node-fetch": "^3.3.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/import-queries/package.json b/packages/e2e-tests/import-queries/package.json
@@ -12,6 +12,6 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.94.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/inspector-kit/package.json b/packages/e2e-tests/inspector-kit/package.json
@@ -11,7 +11,7 @@
     "@sveltejs/kit": "^2.49.1",
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/inspector-vite/package.json b/packages/e2e-tests/inspector-vite/package.json
@@ -11,6 +11,6 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/kit-async/package.json b/packages/e2e-tests/kit-async/package.json
@@ -19,6 +19,6 @@
     "svelte": "^5.45.4",
     "svelte-check": "^4.3.4",
     "typescript": "^5.9.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/kit-node/__tests__/kit.spec.ts b/packages/e2e-tests/kit-node/__tests__/kit.spec.ts
@@ -18,14 +18,8 @@ import {
 
 import glob from 'tiny-glob';
 import path from 'node:path';
-import { env } from 'node:process';
 import * as vite from 'vite';
-const {
-	defaultClientConditions,
-	defaultClientMainFields,
-	//@ts-expect-error not typed in vite
-	rolldownVersion
-} = vite;
+const { defaultClientConditions, defaultClientMainFields } = vite;
 import { describe, expect, it } from 'vitest';
 
 describe('kit-node', () => {
@@ -107,23 +101,18 @@ describe('kit-node', () => {
 		});
 
 		if (isBuild) {
-			// this is known to fail, skip the test in our own CI but keep it in ecosystem-ci so that rolldown-vite-ecosystem-ci still gets this fail
-			// TODO remove skip once fixed
-			it.skipIf(rolldownVersion && !env.ECOSYSTEM_CI)(
-				'should not include dynamic import from onMount in ssr output',
-				async () => {
-					const ssrManifest = JSON.parse(
-						readFileContent('.svelte-kit/output/server/.vite/manifest.json')
-					);
-					const serverFilesSrc = Object.values(ssrManifest)
-						.filter((e) => !!e.src)
-						.map((e) => e.src);
-					const includesClientOnlyModule = serverFilesSrc.some((file: string) =>
-						file.includes('client-only-module')
-					);
-					expect(includesClientOnlyModule).toBe(false);
-				}
-			);
+			it('should not include dynamic import from onMount in ssr output', async () => {
+				const ssrManifest = JSON.parse(
+					readFileContent('.svelte-kit/output/server/.vite/manifest.json')
+				);
+				const serverFilesSrc = Object.values(ssrManifest)
+					.filter((e) => !!e.src)
+					.map((e) => e.src);
+				const includesClientOnlyModule = serverFilesSrc.some((file: string) =>
+					file.includes('client-only-module')
+				);
+				expect(includesClientOnlyModule).toBe(false);
+			});
 			it('should include dynamic import from onmount in client output', async () => {
 				const clientManifest = JSON.parse(
 					readFileContent('.svelte-kit/output/client/.vite/manifest.json')
diff --git a/packages/e2e-tests/kit-node/package.json b/packages/e2e-tests/kit-node/package.json
@@ -26,7 +26,7 @@
     "svelte-i18n": "^4.0.1",
     "tiny-glob": "^0.2.9",
     "typescript": "^5.9.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/package-json-svelte-field/package.json b/packages/e2e-tests/package-json-svelte-field/package.json
@@ -15,7 +15,7 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.94.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/prebundle-svelte-deps/package.json b/packages/e2e-tests/prebundle-svelte-deps/package.json
@@ -21,6 +21,6 @@
     "sass": "^1.94.2",
     "svelte": "^5.45.4",
     "svelte-preprocess": "^6.0.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/preprocess-with-vite/package.json b/packages/e2e-tests/preprocess-with-vite/package.json
@@ -14,7 +14,7 @@
     "sass": "^1.94.2",
     "stylus": "^0.64.0",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/preprocess-with-vite/vite.config.js b/packages/e2e-tests/preprocess-with-vite/vite.config.js
@@ -2,7 +2,6 @@ import { svelte, vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 import { defineConfig } from 'vite';
 import MagicString from 'magic-string';
 import * as vite from 'vite';
-const { rolldownVersion } = vite;
 
 function addListItemTransform(code, filename, value) {
 	const index = code.indexOf('</ol>');
@@ -14,7 +13,7 @@ function addListItemTransform(code, filename, value) {
 	return {
 		code: s.toString(),
 		// rolldown doesn't work with decoded map
-		map: s[rolldownVersion ? 'generateMap' : 'generateDecodedMap']({
+		map: s.generateMap({
 			hires: 'boundary',
 			file: filename,
 			includeContent: false
diff --git a/packages/e2e-tests/resolve-exports-svelte/package.json b/packages/e2e-tests/resolve-exports-svelte/package.json
@@ -14,6 +14,6 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/scan-deps/package.json b/packages/e2e-tests/scan-deps/package.json
@@ -11,6 +11,6 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/e2e-tests/svelte-preprocess/package.json b/packages/e2e-tests/svelte-preprocess/package.json
@@ -13,7 +13,7 @@
     "svelte": "^5.45.4",
     "svelte-preprocess": "^6.0.3",
     "typescript": "^5.9.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/testUtils.ts b/packages/e2e-tests/testUtils.ts
@@ -18,10 +18,6 @@ import {
 	waitForViteConnect
 } from './vitestSetup.js';
 
-import * as vite from 'vite';
-//@ts-ignore
-const isRolldownVite = !!vite.rolldownVersion;
-
 import { VERSION } from 'svelte/compiler';
 
 export const IS_SVELTE_BASELINE = VERSION === '5.0.0';
@@ -384,13 +380,9 @@ function filterMessages(arr) {
 		return arr;
 	}
 	const excludes = [];
-	if (isRolldownVite) {
-		excludes.push(
-			'Support for vite 8 beta in vite-plugin-svelte is experimental',
-			'See https://github.com/sveltejs/vite-plugin-svelte/issues/1143',
-			'`optimizeDeps.esbuildOptions`' //TODO: remove after sveltekit is updated
-		);
-	}
+	excludes.push(
+		'`optimizeDeps.esbuildOptions`' //TODO: remove after sveltekit is updated
+	);
 	if (excludes.length > 0) {
 		return arr.filter((m) => !excludes.some((e) => m.includes(e)));
 	} else {
diff --git a/packages/e2e-tests/ts-type-import/package.json b/packages/e2e-tests/ts-type-import/package.json
@@ -13,7 +13,7 @@
     "@types/node": "^22.19.1",
     "svelte": "^5.45.4",
     "svelte-preprocess": "^6.0.3",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   },
   "type": "module"
 }
diff --git a/packages/e2e-tests/vite-ssr-esm/package.json b/packages/e2e-tests/vite-ssr-esm/package.json
@@ -19,6 +19,6 @@
     "polka": "1.0.0-next.28",
     "sirv": "^3.0.2",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/vite-plugin-svelte-inspector/package.json b/packages/vite-plugin-svelte-inspector/package.json
@@ -42,13 +42,13 @@
     "obug": "^2.1.0"
   },
   "peerDependencies": {
-    "@sveltejs/vite-plugin-svelte": "^6.0.0-next.0",
+    "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^5.0.0",
-    "vite": "^6.3.0 || ^7.0.0"
+    "vite": "^8.0.0-beta.7"
   },
   "devDependencies": {
     "@types/debug": "^4.1.12",
     "svelte": "^5.45.4",
-    "vite": "^7.2.6"
+    "vite": "^8.0.0-beta.7"
   }
 }
diff --git a/packages/vite-plugin-svelte/package.json b/packages/vite-plugin-svelte/package.json
diff --git a/packages/vite-plugin-svelte/src/plugins/configure.js b/packages/vite-plugin-svelte/src/plugins/configure.js
diff --git a/packages/vite-plugin-svelte/src/plugins/setup-optimizer.js b/packages/vite-plugin-svelte/src/plugins/setup-optimizer.js
diff --git a/packages/vite-plugin-svelte/src/preprocess.js b/packages/vite-plugin-svelte/src/preprocess.js
diff --git a/packages/vite-plugin-svelte/src/utils/options.js b/packages/vite-plugin-svelte/src/utils/options.js
diff --git a/packages/vite-plugin-svelte/types/index.d.ts.map b/packages/vite-plugin-svelte/types/index.d.ts.map
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@`
`17`	`17`	`"postcss-load-config": "^6.0.1",`
`18`	`18`	`"svelte": "^5.45.4",`
`19`	`19`	`"svelte-preprocess": "^6.0.3",`
`20`		`- "vite": "^7.2.6"`
	`20`	`+ "vite": "^8.0.0-beta.7"`
`21`	`21`	`},`
`22`	`22`	`"type": "module"`
`23`	`23`	`}`
Original file line number	Diff line number	Diff line change
`@@ -11,6 +11,6 @@`
`11`	`11`	`"devDependencies": {`
`12`	`12`	`"@sveltejs/vite-plugin-svelte": "workspace:^",`
`13`	`13`	`"svelte": "^5.45.4",`
`14`		`- "vite": "^7.2.6"`
	`14`	`+ "vite": "^8.0.0-beta.7"`
`15`	`15`	`}`
`16`	`16`	`}`
Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@`
`16`	`16`	`"e2e-test-dep-vite-plugins": "file:../_test_dependencies/vite-plugins",`
`17`	`17`	`"node-fetch": "^3.3.2",`
`18`	`18`	`"svelte": "^5.45.4",`
`19`		`- "vite": "^7.2.6"`
	`19`	`+ "vite": "^8.0.0-beta.7"`
`20`	`20`	`},`
`21`	`21`	`"type": "module"`
`22`	`22`	`}`
Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@`
`13`	`13`	`"devDependencies": {`
`14`	`14`	`"@sveltejs/vite-plugin-svelte": "workspace:^",`
`15`	`15`	`"svelte": "^5.45.4",`
`16`		`- "vite": "^7.2.6"`
	`16`	`+ "vite": "^8.0.0-beta.7"`
`17`	`17`	`},`
`18`	`18`	`"type": "module"`
`19`	`19`	`}`
Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,7 @@`
`14`	`14`	`"@sveltejs/vite-plugin-svelte": "workspace:^",`
`15`	`15`	`"svelte": "^5.45.4",`
`16`	`16`	`"svelte-preprocess": "^6.0.3",`
`17`		`- "vite": "^7.2.6"`
	`17`	`+ "vite": "^8.0.0-beta.7"`
`18`	`18`	`},`
`19`	`19`	`"type": "module"`
`20`	`20`	`}`
Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,6 @@`
`12`	`12`	`"@sveltejs/vite-plugin-svelte": "workspace:^",`
`13`	`13`	`"sass": "^1.94.2",`
`14`	`14`	`"svelte": "^5.45.4",`
`15`		`- "vite": "^7.2.6"`
	`15`	`+ "vite": "^8.0.0-beta.7"`
`16`	`16`	`}`
`17`	`17`	`}`