Fix Webpack/Node module incompatibility

Author: Burak Yigit Kaya

bin/yarn.js

@@ -32,7 +32,8 @@ mkdirp.sync(constants.MODULE_CACHE_DIRECTORY);
 
 module.exports = require(dirPath + '/cli');
 
-const main = module.exports.default;
+// The `||` fallback is for Webpack/Node compatibility
+const main = module.exports.default || module.exports;
 
 // ignore all arguments after a --
 const doubleDashIndex = process.argv.findIndex(element => element === '--');

circle.yml

@@ -31,14 +31,15 @@ test:
     - yarn lint
     - yarn test-ci -- -- --maxWorkers 3
     - yarn check-lockfile
-    - yarn build-dist && yarn build-deb
+    - yarn run build-dist
+    - yarn run build-deb
     # Test that the standalone .js build works as expected
     - ./artifacts/yarn-`./dist/bin/yarn --version`.js --version
     - ./artifacts/yarn-legacy-`./dist/bin/yarn --version`.js --version
 
     # Test that installing as root works and that it also works
     # behind a user namespace which Circle CI tests are run under
-    - sudo env "PATH=$PATH" bin/yarn --force
+    - sudo env "PATH=$PATH" bin/yarn install --force
 
 deployment:
   release: