build: use rolldown #14240

edison1105 · 2025-12-24T08:46:57Z

related rolldown issues

coderabbitai · 2025-12-24T08:47:03Z

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Pull request overview

This PR migrates Vue's build system from Rollup/esbuild to Rolldown, a Rust-based bundler. The migration includes:

Replacing Rollup with Rolldown for production builds
Replacing esbuild with oxc-transform for TypeScript transpilation
Replacing @babel/parser with oxc-parser for parsing
Replacing @swc/core with oxc-minify for minification
Creating new Rolldown configuration files and updating build scripts

Key Changes

Build scripts refactored to use Rolldown API directly
Type declaration bundling migrated to rolldown-plugin-dts
Code adjustments for Rolldown compatibility (property initialization patterns)

Reviewed changes

Copilot reviewed 22 out of 25 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
scripts/dev.js	Simplified dev build using Rolldown watch API
scripts/build.js	Production build refactored for Rolldown API
scripts/build-types.js	New type declaration build using oxc-transform
scripts/create-rolldown-config.js	New centralized Rolldown configuration
scripts/inline-enums.js	Parser migration from @babel/parser to oxc-parser
scripts/usage-size.js	Bundle size tracking updated for Rolldown
rolldown.dts.config.js	DTS bundling configuration for rolldown-plugin-dts
packages/runtime-dom/src/apiCustomElement.ts	Property initialization moved to constructor
packages/compiler-sfc/src/script/context.ts	Property initialization moved to constructor
package.json	Dependencies updated to Rolldown ecosystem
.github/contributing.md	Documentation updated for new build tooling

Files not reviewed (1)

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scripts/dev.js

scripts/build.js

…pe annotations

pkg-pr-new · 2025-12-25T02:16:45Z

Open in StackBlitz

@vue/compiler-core

pnpm add https://pkg.pr.new/@vue/compiler-core@14240

npm i https://pkg.pr.new/@vue/compiler-core@14240

yarn add https://pkg.pr.new/@vue/compiler-core@14240.tgz

@vue/compiler-dom

pnpm add https://pkg.pr.new/@vue/compiler-dom@14240

npm i https://pkg.pr.new/@vue/compiler-dom@14240

yarn add https://pkg.pr.new/@vue/compiler-dom@14240.tgz

@vue/compiler-sfc

pnpm add https://pkg.pr.new/@vue/compiler-sfc@14240

npm i https://pkg.pr.new/@vue/compiler-sfc@14240

yarn add https://pkg.pr.new/@vue/compiler-sfc@14240.tgz

@vue/compiler-ssr

pnpm add https://pkg.pr.new/@vue/compiler-ssr@14240

npm i https://pkg.pr.new/@vue/compiler-ssr@14240

yarn add https://pkg.pr.new/@vue/compiler-ssr@14240.tgz

@vue/compiler-vapor

pnpm add https://pkg.pr.new/@vue/compiler-vapor@14240

npm i https://pkg.pr.new/@vue/compiler-vapor@14240

yarn add https://pkg.pr.new/@vue/compiler-vapor@14240.tgz

@vue/reactivity

pnpm add https://pkg.pr.new/@vue/reactivity@14240

npm i https://pkg.pr.new/@vue/reactivity@14240

yarn add https://pkg.pr.new/@vue/reactivity@14240.tgz

@vue/runtime-core

pnpm add https://pkg.pr.new/@vue/runtime-core@14240

npm i https://pkg.pr.new/@vue/runtime-core@14240

yarn add https://pkg.pr.new/@vue/runtime-core@14240.tgz

@vue/runtime-dom

pnpm add https://pkg.pr.new/@vue/runtime-dom@14240

npm i https://pkg.pr.new/@vue/runtime-dom@14240

yarn add https://pkg.pr.new/@vue/runtime-dom@14240.tgz

@vue/runtime-vapor

pnpm add https://pkg.pr.new/@vue/runtime-vapor@14240

npm i https://pkg.pr.new/@vue/runtime-vapor@14240

yarn add https://pkg.pr.new/@vue/runtime-vapor@14240.tgz

@vue/server-renderer

pnpm add https://pkg.pr.new/@vue/server-renderer@14240

npm i https://pkg.pr.new/@vue/server-renderer@14240

yarn add https://pkg.pr.new/@vue/server-renderer@14240.tgz

@vue/shared

pnpm add https://pkg.pr.new/@vue/shared@14240

npm i https://pkg.pr.new/@vue/shared@14240

yarn add https://pkg.pr.new/@vue/shared@14240.tgz

vue

pnpm add https://pkg.pr.new/vue@14240

npm i https://pkg.pr.new/vue@14240

yarn add https://pkg.pr.new/vue@14240.tgz

@vue/compat

pnpm add https://pkg.pr.new/@vue/compat@14240

npm i https://pkg.pr.new/@vue/compat@14240

yarn add https://pkg.pr.new/@vue/compat@14240.tgz

commit: 8d5b155

github-actions · 2025-12-25T06:52:44Z

Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	86.4 kB (+886 B)	30.2 kB (+168 B)	26.6 kB (+112 B)
runtime-dom.global.prod.js	109 kB (+601 B)	41.2 kB (+506 B)	36.9 kB (+293 B)
vue.global.prod.js	168 kB (+1.54 kB)	61 kB (+235 B)	54.4 kB (+358 B)

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	49.2 kB (+932 B)	19.3 kB (+440 B)	17.6 kB (+330 B)
createApp	58.3 kB (+977 B)	22.6 kB (+622 B)	20.6 kB (+520 B)
createApp + vaporInteropPlugin	87.1 kB (+1.7 kB)	32.6 kB (+712 B)	29.5 kB (+718 B)
createVaporApp	28.8 kB (+1.15 kB)	11.2 kB (+512 B)	10.2 kB (+487 B)
createSSRApp	62.4 kB (+815 B)	24.4 kB (+503 B)	22.1 kB (+396 B)
createVaporSSRApp	32.4 kB	12.5 kB	11.5 kB
defineCustomElement	64.2 kB (+879 B)	24.5 kB (+597 B)	22.3 kB (+504 B)
defineVaporCustomElement	39.2 kB	14.5 kB	13.3 kB
overall	73 kB (+996 B)	27.9 kB (+634 B)	25.4 kB (+519 B)

…fication

edison1105 · 2025-12-29T05:59:25Z

/ecosystem-ci run

vue-bot · 2025-12-29T06:30:17Z

📝 Ran ecosystem CI: Open

suite	result	latest scheduled
quasar	✅ success	✅ success
vue-macros	❌ failure	❌ failure
vant	✅ success	❌ failure
language-tools	❌ failure	❌ failure
vuetify	❌ failure	❌ failure
pinia	✅ success	✅ success
test-utils	❌ failure	✅ success
nuxt	❌ failure	✅ success
vueuse	❌ failure	✅ success
vitepress	✅ success	✅ success
vue-i18n	✅ success	❌ failure
radix-vue	✅ success	✅ success
router	✅ success	✅ success
vite-plugin-vue	✅ success	✅ success
vue-simple-compiler	✅ success	✅ success
primevue	✅ success	✅ success

yyx990803 and others added 5 commits November 14, 2024 20:57

build: use rolldown

79eddcc

build: use rolldown for dev script

d3cfb26

chore: fix

8fff4ca

build: remove comments when minifying + inline all enums

e96f457

build: use rolldown (#13599)

2a6ecec

Copilot AI review requested due to automatic review settings December 24, 2025 08:46

Copilot started reviewing on behalf of edison1105 December 24, 2025 08:47 View session

Copilot AI reviewed Dec 24, 2025

View reviewed changes

scripts/dev.js Outdated Show resolved Hide resolved

scripts/build.js Show resolved Hide resolved

edison1105 added 3 commits December 25, 2025 09:17

chore: Merge branch 'minor' into rolldown

7e8b34c

refactor: replace fs methods with destructured imports and improve ty…

c90bc48

…pe annotations

feat: add vapor support

9ded37c

edison1105 marked this pull request as draft December 25, 2025 02:16

edison1105 added 4 commits December 25, 2025 10:23

fix: correct variable reference in console log for rebuilt file

cee9ac3

fix: update target and platform settings

08b1447

fix: size usage

fcc1589

chore: Merge branch 'minor' into rolldown

05ffb24

fix(build): use dedicated tsconfig to avoid resolving vue to vapor entry

0592e2f

edison1105 added version: minor scope: vapor related to vapor mode labels Dec 25, 2025

edison1105 force-pushed the rolldown branch from 969dba7 to 37111c1 Compare December 26, 2025 03:15

chore(usage-size): add defineVaporCustomElement to size tracking

df961eb

edison1105 force-pushed the rolldown branch from 37111c1 to df961eb Compare December 26, 2025 03:18

edison1105 marked this pull request as ready for review December 26, 2025 05:38

edison1105 added 4 commits December 26, 2025 13:39

Merge branch 'minor' into rolldown

cad433b

chore: use postBanner instead

65f2af1

Merge branch 'minor' into rolldown

8864c4f

refactor(runtime-core): lazy init publicPropertiesMap for tree-shaking

2ed3797

chore(runtime-core): mark createHook initialization as pure

f9649db

edison1105 force-pushed the rolldown branch from 7d8e5b0 to f9649db Compare December 29, 2025 00:18

edison1105 added 2 commits December 29, 2025 11:46

chore(runtime-vapor): mark hydration utilities as pure for tree-shaking

54f6d59

chore(usage-size): improve bundle analysis with tree-shaking and mini…

91fb2d4

…fication

vuejs deleted a comment from edison1105 Dec 29, 2025

chore(build): add rollup-based bundle size analysis

884d129

edison1105 added 2 commits December 29, 2025 14:33

Merge branch 'minor' into rolldown

fd58a1b

chore(runtime-vapor): normalize side effects annotations

8d5b155

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Pull request overview

Key Changes

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