Use Yarn 2 (#11962)

* chore: use yarn 2

* chore: remove redundant yarn locks

* chore: remove publishEslintPkg

* chore: remove redundant make bootstrap

* Update .yarnrc.yml

Co-authored-by: Kristoffer K. <merceyz@users.noreply.github.com>

* chore: use workspace protocol for eslint packages in the root

Co-Authored-By: merceyz <merceyz@users.noreply.github.com>

* chore: pin caniuse-lite versions

Testcases in packages/babel-preset-env/test/fixtures/debug/browserslists-defaults-not-ie
depends on specific caniuse-lite versions. We pinned the version here
so we don't have to deal with fixture different in e2e-tests
where all deps will be updated and tested.

* chore: resolve yarn install warnings

* chore: update yarn cache path on circle/travis

* chore: add yarn deduplicate plugin

* chore: deduplicate lock files

* chore: move devDependencies to leaf packages

* chore: remove @yarnpkg/plugin-constraints

* chore: remove unused dedupe options

* test: fix unwanted self reference

* chore: remove output-file-sync dependency

* chore: update browserify to 16.5.2

Co-authored-by: Kristoffer K. <merceyz@users.noreply.github.com>

scripts/integration-tests/e2e-babel-old-version.sh

@@ -22,27 +22,29 @@ cd ../..
 
 startLocalRegistry "$PWD"/scripts/integration-tests/verdaccio-config.yml
 
-# Install dependencies in individual packages so that we can link them at the top level.
-# todo: remove `-- -- --ignore-engines` in Babel 8
-for package in eslint/*/; do yarn --ignore-engines --cwd $package; done
+node "$PWD"/scripts/integration-tests/utils/bump-babel-dependencies.js
+(
+  yarn why @babel/core | grep -o "@babel/core@npm:.* (via npm:.*)";
+  yarn why @babel/helpers | grep -o "@babel/helpers@npm:.* (via npm:.*)";
+  yarn why @babel/traverse | grep -o "@babel/traverse@npm:.* (via npm:.*)"
+) | uniq | node -e "
+  var pkg = require('./package.json');
+  var packages = fs.readFileSync(0, 'utf8').trim().split('\n');
 
-yarn upgrade --scope @babel
+  pkg.devDependencies['@babel/core'] = '7.0.0';
 
-node -e "\
-  var pkg = require('./package.json');\
-  pkg.devDependencies['@babel/core'] = '7.0.0';\
-  Object.assign(pkg.resolutions, {\
-    '@babel/core': '7.0.0',\
-    '@babel/helpers': '7.0.0',\
-    '@babel/traverse': '7.0.0'\
-  });\
-  fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2));\
+  packages.forEach(desc => {
+    const { name, specifier } = desc
+      .match(/(?<name>@babel\/[a-z]+).*\(via (?<specifier>npm:[^)]+)\)/)
+      .groups;
+    pkg.resolutions[name + '@' + specifier] = '7.0.0';
+  });
+
+  fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2));
 "
 
+# Update deps, build and test
 rm yarn.lock
-make bootstrap
-
-# Test
-make test-ci
+make -j test-ci
 
 cleanup

scripts/integration-tests/e2e-babel.sh

@@ -21,14 +21,12 @@ cd ../..
 #==============================================================================#
 
 startLocalRegistry "$PWD"/scripts/integration-tests/verdaccio-config.yml
+# We only bump dependencies in the top-level package.json, because workspaces
+# already use the workspace: protocol so will get the version in the monorepo
+# and not from npm.
+node "$PWD"/scripts/integration-tests/utils/bump-babel-dependencies.js
 
-# Install dependencies in individual packages so that we can link them at the top level.
-# todo: remove `-- -- --ignore-engines` in Babel 8
-for package in eslint/*/; do yarn --ignore-engines --cwd $package; done
-
-yarn upgrade --scope @babel
-
-# Test
-make test-ci
+# Update deps, build and test
+make -j test-ci
 
 cleanup

scripts/integration-tests/e2e-create-react-app.sh

@@ -21,13 +21,28 @@ cd tmp/create-react-app || exit
 #                                   TEST                                       #
 #==============================================================================#
 
+# !!! WARNING !!!
+# create-react-app uses the useBuiltIns: true option of @babel/preset-react,
+# removed in Babel 8.0.0. And it does not specify runtime option. The test will break on
+# runtime: "automatic", default of Babel 8.
+# This change replaces useBuiltIns: true with runtime: "classic"
+sed -i 's/useBuiltIns: true/runtime: "classic"/' packages/babel-preset-react-app/create.js
+
+bump_deps="$PWD/../../utils/bump-babel-dependencies.js"
+node "$bump_deps"
+for d in ./packages/*/
+do
+  (cd "$d"; node "$bump_deps")
+done
+
+# Don't use Yarn 2
+export YARN_IGNORE_PATH=1
+
 startLocalRegistry "$PWD"/../../verdaccio-config.yml
 yarn install
-node "$PWD"/../../utils/bump-babel-dependencies.js
-yarn lerna exec -- node "$PWD"/../../utils/bump-babel-dependencies.js
-yarn install
 
 # Test
 CI=true yarn test
 
+unset YARN_IGNORE_PATH
 cleanup

scripts/integration-tests/e2e-vue-cli.sh

@@ -21,6 +21,9 @@ cd tmp/vue-cli || exit
 #                                   TEST                                       #
 #==============================================================================#
 
+# Don't use Yarn 2
+export YARN_IGNORE_PATH=1
+
 startLocalRegistry "$PWD"/../../verdaccio-config.yml
 yarn install
 node "$PWD"/../../utils/bump-babel-dependencies.js
@@ -30,4 +33,5 @@ yarn install
 # Test
 CI=true yarn test -p babel,babel-preset-app
 
+unset YARN_IGNORE_PATH
 cleanup

scripts/integration-tests/publish-local.sh

@@ -23,7 +23,7 @@ initializeE2Egit
 #                                 PUBLISH                                      #
 #==============================================================================#
 
-make -j bootstrap-only
+yarn
 
 startLocalRegistry "$PWD"/scripts/integration-tests/verdaccio-config.yml
 loginLocalRegistry

scripts/integration-tests/utils/bump-babel-dependencies.js

@@ -7,7 +7,7 @@ const content = JSON.parse(fs.readFileSync(packageJSONPath));
 let bumped = false;
 function bumpBabelDependency(dependencies) {
   for (const dep of Object.keys(dependencies)) {
-    if (dep.startsWith("@babel/")) {
+    if (dep.startsWith("@babel/") && !dependencies[dep].includes(":")) {
       dependencies[dep] = "latest";
       bumped = true;
     }

scripts/integration-tests/utils/local-registry.sh

@@ -3,8 +3,6 @@
 # Copied from https://github.com/facebook/create-react-app/blob/053f9774d3f592c17741d2a86de66a7ca58f90c0/tasks/local-registry.sh
 
 custom_registry_url=http://localhost:4873
-original_npm_registry_url=`npm get registry`
-original_yarn_registry_url=`yarn config get registry`
 default_verdaccio_package=verdaccio@~4.3.3
 
 function startLocalRegistry {
@@ -17,18 +15,20 @@ function startLocalRegistry {
   grep -q "http address" <(tail -f $tmp_registry_log)
 
   # Set registry to local registry
-  npm set registry "$custom_registry_url"
-  yarn config set registry "$custom_registry_url"
+  export NPM_CONFIG_REGISTRY="$custom_registry_url"
+  export YARN_NPM_PUBLISH_REGISTRY="$custom_registry_url"
+  export YARN_NPM_REGISTRY_SERVER="$custom_registry_url"
+  export YARN_NPM_AUTH_IDENT="username:password"
 }
 
 function loginLocalRegistry {
-  # Login so we can publish packages
-  (cd && npx npm-auth-to-token@1.0.0 -u user -p password -e user@example.com -r "$custom_registry_url")
+  export YARN_NPM_AUTH_IDENT="username:password"
 }
 
 function stopLocalRegistry {
   # Restore the original NPM and Yarn registry URLs and stop Verdaccio
   fuser -k 4873/tcp
-  npm set registry "$original_npm_registry_url"
-  yarn config set registry "$original_yarn_registry_url"
+  unset NPM_CONFIG_REGISTRY
+  unset YARN_NPM_PUBLISH_REGISTRY
+  unset YARN_NPM_REGISTRY_SERVER
 }