Do not inline RegExp literals in loop assignment

Do not inline RegExp literals in loop assignment

Author: JLHwung

package.json

@@ -19,11 +19,10 @@
     "watch": "gulp watch"
   },
   "devDependencies": {
-    "@babel/core": "^7.1.0",
-    "@babel/plugin-transform-block-scoping": "^7.0.0",
-    "@babel/preset-env": "^7.1.0",
-    "babel-core": "^7.0.0-bridge.0",
-    "babel-jest": "^23.6.0",
+    "@babel/core": "^7.9.0",
+    "@babel/plugin-transform-block-scoping": "^7.8.3",
+    "@babel/preset-env": "^7.9.0",
+    "babel-jest": "^24.9.0",
     "butternut": "^0.4.6",
     "bytes": "^3.0.0",
     "chalk": "^2.4.1",
@@ -39,7 +38,7 @@
     "gulp": "github:gulpjs/gulp#4.0",
     "gulp-babel": "^8.0.0",
     "gulp-newer": "^1.4.0",
-    "jest-cli": "^23.6.0",
+    "jest-cli": "^24.9.0",
     "lerna": "^3.4.0",
     "lerna-changelog": "^0.8.0",
     "lint-staged": "^7.3.0",

packages/babel-plugin-minify-dead-code-elimination/__tests__/fixtures/issue-691-binary-in/expected.js

@@ -1,5 +1,5 @@
 function foo(props) {
-  let bar = "width" in props;
+  let bar = ("width" in props);
   delete props.width;
 
   if (bar) {

packages/babel-plugin-minify-dead-code-elimination/__tests__/fixtures/issue-981/actual.js

@@ -0,0 +1,5 @@
+function f(query) {
+  var r = /./g,
+    part;
+  while (part = r.exec(query));
+}

packages/babel-plugin-minify-dead-code-elimination/__tests__/fixtures/issue-981/expected.js

@@ -0,0 +1,6 @@
+function f(query) {
+  var r = /./g,
+      part;
+
+  while (part = r.exec(query));
+}

packages/babel-plugin-minify-dead-code-elimination/src/index.js

@@ -421,7 +421,8 @@ module.exports = ({ types: t, traverse }) => {
               const isObj = n =>
                 t.isFunction(n) ||
                 t.isObjectExpression(n) ||
-                t.isArrayExpression(n);
+                t.isArrayExpression(n) ||
+                t.isRegExpLiteral(n);
 
               const isReplacementObj =
                 isObj(replacement) || some(replacement, isObj);

packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/actual.js

@@ -1,3 +1,3 @@
 for (let i = 0; i < 0; i++) {
-  var i = 0;
+  { let i = 0 };
 }

packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/expected.js

@@ -1,3 +1,6 @@
 for (let i = 0; i < 0; i++) {
-  var i = 0;
+  {
+    let i = 0;
+  }
+  ;
 }

packages/babel-preset-minify/__tests__/minify-env-tests.js

@@ -212,10 +212,10 @@ describe("preset along with env", () => {
     `,
     `
       function foo() {
-        var b = console;
+        var a = console;
         return {
-          a: function d(c) {
-            b.log(c);
+          a: function a(b) {
+            a.log(b);
           }
         };
       }