Switch to the new Prettier VSCode extension #2862

Workflow file for this run

	name: CI

	on: [push, pull_request]

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	prepare-yarn-cache:
	name: Prepare Cache
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: 'Check or update Yarn cache (fix w/ "yarn install")'
	env:
	YARN_ENABLE_HARDENED_MODE: true # enable hardened mode as CI may run on untrusted repos
	YARN_ENABLE_SCRIPTS: false # disable post-install scripts
	YARN_NODE_LINKER: pnp # use pnp linker for better linking performance: it's meant to update yarn cache only
	run: \|
	yarn install --mode=skip-build

	yarn-validate:
	name: Validate Yarn dependencies and constraints
	needs: prepare-yarn-cache
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: 'Check for unmet constraints (fix w/ "yarn constraints --fix")'
	run: \|
	yarn constraints
	- name: 'Check for duplicate dependencies (fix w/ "yarn dedupe")'
	run: \|
	yarn dedupe --check
	- name: Check for dependency cycles
	# todo: investigate why we need to install dependencies here to not get
	# the following error:
	# Internal Error: chalk@condition:BABEL_8_BREAKING ?[...]: This package
	# doesn't seem to be present in your lockfile; run "yarn install" to
	# update the lockfile
	run: \|
	yarn
	yarn release-tool check-cycles

	build:
	name: Build Babel Artifacts
	needs: prepare-yarn-cache
	runs-on: ubuntu-latest
	# Yarn PnP does not support native ESM yet (https://github.com/yarnpkg/berry/issues/638)
	# env:
	# YARN_NODE_LINKER: pnp # use pnp linker for better linking performance and stricter checks
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Build babel artifacts
	run: \|
	make -j build-standalone-ci
	env:
	BABEL_ENV: test-legacy
	BABEL_9_BREAKING: false
	STRIP_BABEL_VERSION_FLAG: true
	- name: Build Makefile.js
	run: \|
	node ./scripts/pack-script.js
	- name: Generate readmes
	run: \|
	make generate-readme
	- name: Generate .npmignore
	run: \|
	node scripts/generators/npm-ignore.js
	- name: Cleanup fixtures
	run: \|
	node scripts/cleanup-fixtures.js
	- name: Ensure cwd does not contain uncommitted changes
	run: \|
	node ./scripts/assert-dir-git-clean.js "\`make build\` and \`node scripts/cleanup-fixtures.js\`"
	- uses: actions/upload-artifact@v4
	with:
	name: babel-artifact
	path: \|
	codemods//lib//
	eslint//lib//
	packages//lib//
	packages/babel-standalone/*.js
	packages/babel-runtime/*/.js
	packages/babel-runtime-corejs2/*/.js
	packages/babel-runtime-corejs3/*/.js
	!/node_modules/
	retention-days: 5

	build-windows:
	name: Build Babel Artifacts on Windows
	runs-on: windows-latest
	# Yarn PnP does not support native ESM yet (https://github.com/yarnpkg/berry/issues/638)
	# env:
	# YARN_NODE_LINKER: pnp # use pnp linker for better linking performance and stricter checks
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Build babel artifacts
	shell: bash
	run: \|
	make -j build-standalone-ci
	env:
	BABEL_ENV: test-legacy
	BABEL_9_BREAKING: false
	STRIP_BABEL_VERSION_FLAG: true
	- name: Ensure cwd does not contain uncommitted changes
	run: \|
	node ./scripts/assert-dir-git-clean.js build

	lint:
	name: Lint
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Lint
	run: make -j lint-ci check-compat-data
	- name: Ensure cwd does not contain uncommitted changes
	run: \|
	node ./scripts/assert-dir-git-clean.js "lint-ci check-compat-data"

	test-coverage:
	name: Test on Node.js Latest (with coverage)
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: \|
	yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Run tests
	run: \|
	yarn c8 jest --ci
	yarn test:esm
	env:
	BABEL_ENV: test
	BABEL_COVERAGE: true
	- name: Upload coverage report
	uses: codecov/codecov-action@v5
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	name: babel-7

	test:
	name: Test on Node.js ${{matrix.node-version}}
	needs: build
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	node-version: [24, 22, 20]
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest # Run yarn on latest node
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: \|
	yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Use Node.js ${{ matrix.node-version }} # Checkout node version for test executor
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	- name: Ensure that @babel/node's list of node flags is up to date
	run: \|
	node ./packages/babel-node/scripts/list-node-flags.js
	- name: Test on node.js ${{ matrix.node-version }}
	# Todo(Babel 8): Jest execution path is hardcoded because Yarn 2 does not support node 6
	run: \|
	node ./node_modules/.bin/jest --ci
	env:
	BABEL_ENV: test
	TEST_FUZZ: true

	test-windows-mac:
	name: Test on
	needs: build
	strategy:
	fail-fast: false
	matrix:
	os: [windows-latest, macos-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Test
	run: yarn jest --ci
	env:
	BABEL_ENV: test

	build-babel9:
	name: Build Babel 9 Artifacts
	needs: prepare-yarn-cache
	runs-on: ubuntu-latest
	# Yarn PnP does not support native ESM yet (https://github.com/yarnpkg/berry/issues/638)
	# env:
	# YARN_NODE_LINKER: pnp # use pnp linker for better linking performance and stricter checks
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Build babel artifacts
	run: \|
	make -j build-standalone-ci
	env:
	BABEL_ENV: test-legacy
	BABEL_9_BREAKING: true
	STRIP_BABEL_VERSION_FLAG: true
	- uses: actions/upload-artifact@v4
	with:
	name: babel9-artifact
	path: \|
	codemods//lib//
	eslint//lib//
	packages//lib//
	packages/babel-standalone/*.js
	packages/babel-runtime/*/.js
	packages/babel-runtime-corejs2/*/.js
	packages/babel-runtime-corejs3/*/.js
	!/node_modules/
	retention-days: 5

	lint-babel9:
	name: Lint (Babel 9)
	needs: build-babel9
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel9-artifact
	- name: Lint
	run: make -j lint-ci check-compat-data
	env:
	BABEL_ENV: test
	BABEL_9_BREAKING: true

	test-babel9-coverage:
	name: Test Babel 9 changes (with coverage)
	needs: build-babel9
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: \|
	yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel9-artifact
	- name: Run tests
	run: \|
	yarn c8 jest --ci
	env:
	BABEL_ENV: test
	BABEL_COVERAGE: true
	BABEL_9_BREAKING: true
	- name: Upload coverage report
	uses: codecov/codecov-action@v5
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	name: babel-9

	test-babel9-windows-mac:
	name: Test Babel 9 changes
	needs: build-babel9
	strategy:
	fail-fast: false
	matrix:
	os: [windows-latest, macos-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel9-artifact
	- name: Test
	run: yarn jest --ci
	env:
	BABEL_ENV: test
	BABEL_9_BREAKING: true

	external-parser-tests:
	name: Third-party Parser Tests
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Download tests
	run: make -j bootstrap-flow bootstrap-typescript bootstrap-test262
	- name: Run Test262 Tests
	run: make test-test262
	- name: Run Flow Tests
	run: make test-flow
	- name: Run TypeScript Tests
	run: make test-typescript

	runtime-interop-prepare:
	name: Prepare runtime integration tests
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	# See https://github.com/babel/babel/pull/12906
	- name: Support self-references on old Node.js
	run: \|
	echo '{
	"type": "commonjs",
	"private": true,
	"devDependencies": {
	"@babel/runtime": "workspace:^",
	"@babel/runtime-corejs3": "workspace:^"
	}
	}' > packages/package.json
	node -e "
	const pkg = require('./package.json');
	pkg.workspaces.push('packages');
	fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2))
	"
	- name: Install
	run: yarn install
	env:
	# The "Support self-references on old Node.js" step mutates the
	# package.json file, causing a yarn.lock update.
	YARN_ENABLE_IMMUTABLE_INSTALLS: false
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Generate absoluteRuntime tests
	run: yarn test:runtime:generate-absolute-runtime
	- name: Test bundlers
	run: yarn test:runtime:bundlers
	- name: Test Node.js latest
	run: node test/runtime-integration/node.cjs

	runtime-interop:
	name: Test @babel/runtime integrations on Node.js
	needs: [build, runtime-interop-prepare]
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	node-version:
	[
	10,
	"12.0",
	12.12,
	12.13,
	12.15,
	12.16,
	13.2,
	13.6,
	13.7,
	14.2,
	16.5,
	16.6,
	22.11,
	22.12,
	"23.10",
	]
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	# See https://github.com/babel/babel/pull/12906
	- name: Support self-references on old Node.js
	run: \|
	echo '{
	"type": "commonjs",
	"private": true,
	"devDependencies": {
	"@babel/runtime": "workspace:^",
	"@babel/runtime-corejs3": "workspace:^"
	}
	}' > packages/package.json
	node -e "
	const pkg = require('./package.json');
	pkg.workspaces.push('packages');
	fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2))
	"
	- name: Install
	run: yarn install
	env:
	# The "Support self-references on old Node.js" step mutates the
	# package.json file, causing a yarn.lock update.
	YARN_ENABLE_IMMUTABLE_INSTALLS: false
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Generate absoluteRuntime tests
	run: yarn test:runtime:generate-absolute-runtime
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	- name: Test Node.js ${{ matrix.node-version }}
	run: node test/runtime-integration/node.cjs

	eslint8-test:
	name: Test @babel/eslint-* with ESLint 8.0.0
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	cache: "yarn"
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Downgrade ESLint to 8.0.0
	run: yarn up [email protected]
	- name: Run babel/eslint tests
	run: node ./node_modules/.bin/jest eslint

	test262-prepare:
	name: test262 - Prepare for running in parallel
	runs-on: ubuntu-latest
	if: github.repository == 'babel/babel'
	steps:
	- name: Checkout Babel
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	- name: Checkout test runner
	uses: actions/checkout@v4
	with:
	repository: babel/babel-test262-runner
	path: babel-test262-runner
	ref: main
	- name: Download test262
	run: make bootstrap-test262
	- name: Prepare test262 chunks
	run: \|
	cd babel-test262-runner
	npm ci
	node lib/prepare-chunks 8 > ~/test262-chunks.json
	env:
	TEST262_PATH: ../build/test262
	- name: Upload chunks artifact
	uses: actions/upload-artifact@v4
	with:
	name: test262-chunks
	path: ~/test262-chunks.json
	retention-days: 30

	test262:
	name: test262
	strategy:
	matrix:
	chunk: [0, 1, 2, 3, 4, 5, 6, 7]
	runs-on: ubuntu-latest
	needs: [build, test262-prepare]
	steps:
	- name: Checkout Babel
	uses: actions/checkout@v4
	- name: Use Node.js latest
	uses: actions/setup-node@v4
	with:
	node-version: latest
	check-latest: true
	- name: Install
	run: yarn install
	- uses: actions/download-artifact@v4
	with:
	name: babel-artifact
	- name: Checkout test runner
	uses: actions/checkout@v4
	with:
	repository: babel/babel-test262-runner
	path: babel-test262-runner
	ref: main
	- name: Install test runner
	run: \|
	cd babel-test262-runner
	npm ci
	node lib/download-node
	- name: Download test262
	run: make bootstrap-test262
	- name: Download chunks file
	uses: actions/download-artifact@v4
	with:
	name: test262-chunks
	- name: Run test262
	run: \|
	cd babel-test262-runner
	node lib/run-tests I_AM_SURE \| tee ~/test262-${{ matrix.chunk }}.tap
	# Specify bash to enable pipefail, so that "\| tee" does not suppress the failure exit code.
	# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
	shell: bash
	env:
	BABEL_PATH: ".."
	TEST262_PATH: ../build/test262
	THREADS: 4
	CHUNKS_FILE: ../test262-chunks.json
	CHUNK: ${{ matrix.chunk }}
	- name: Create artifact with report results
	uses: actions/upload-artifact@v4
	with:
	name: test262-result-${{ matrix.chunk }}
	path: ~/test262-${{ matrix.chunk }}.tap
	retention-days: 30

	test262-finish:
	name: test262 - Analyze results
	runs-on: ubuntu-latest
	needs: test262
	steps:
	- uses: actions/download-artifact@v4
	with: { name: test262-result-0 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-1 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-2 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-3 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-4 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-5 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-6 }
	- uses: actions/download-artifact@v4
	with: { name: test262-result-7 }
	- name: Merge chunk results
	run: \|
	cat test262-0.tap test262-1.tap test262-2.tap test262-3.tap \
	test262-4.tap test262-5.tap test262-6.tap test262-7.tap \
	\| npx tap-merge > test262.tap
	- name: Create artifact with report results
	uses: actions/upload-artifact@v4
	with:
	name: test262-result
	path: test262.tap
	- name: Checkout test runner
	uses: actions/checkout@v4
	with:
	repository: babel/babel-test262-runner
	path: babel-test262-runner
	ref: main
	- name: Download previous results
	run: \|
	cd babel-test262-runner
	npm ci
	node lib/download-main-artifact/index.mjs ~/test262-main.tap
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	- name: Compare previous main branch & current results
	run: \|
	cd babel-test262-runner
	node lib/compare-results ~/test262-main.tap ../test262.tap \| tee ~/diff.tap
	# Specify bash to enable pipefail, so that "\| tee" does not suppress the failure exit code.
	# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
	shell: bash

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Switch to the new Prettier VSCode extension #2862

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Workflow file for this run