babel-plugin-minify-simplify - npm Package Compare versions

Comparing version 0.5.0-alpha.18dcfe13 to 0.5.0-alpha.1cb46b73

lib/index.js

@@ -117,2 +117,10 @@ "use strict";
       },
+
+      BinaryExpression(path) {
+        if (["!=", "=="].indexOf(path.node.operator) !== -1) {
+          undefinedToNull(path.get("left"));
+          undefinedToNull(path.get("right"));
+        }
+      },
+
       LogicalExpression: {
@@ -1148,2 +1156,20 @@ exit: logicalExpression.simplifyPatterns
   }
+
+  function isPureVoid(path) {
+    return path.isUnaryExpression({
+      operator: "void"
+    }) && path.isPure();
+  }
+
+  function isGlobalUndefined(path) {
+    return path.isIdentifier({
+      name: "undefined"
+    }) && !path.scope.getBinding("undefined");
+  }
+
+  function undefinedToNull(path) {
+    if (isGlobalUndefined(path) || isPureVoid(path)) {
+      path.replaceWith(t.nullLiteral());
+    }
+  }
 };

package.json

 {
   "name": "babel-plugin-minify-simplify",
-  "version": "0.5.0-alpha.18dcfe13",
+  "version": "0.5.0-alpha.1cb46b73",
   "description": "",
@@ -15,6 +15,6 @@ "keywords": [
   "dependencies": {
-    "babel-helper-flip-expressions": "^0.5.0-alpha.18dcfe13",
+    "babel-helper-flip-expressions": "^0.5.0-alpha.1cb46b73",
     "babel-helper-is-nodes-equiv": "^0.0.1",
-    "babel-helper-to-multiple-sequence-expressions": "^0.5.0-alpha.18dcfe13"
+    "babel-helper-to-multiple-sequence-expressions": "^0.5.0-alpha.1cb46b73"
   }
 }

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Improved metrics

Total package byte prevSize

58566

increased by1.05%

Lines of code

1480

increased by1.44%

Dependency changes

• Updatedbabel-helper-flip-expressions@^0.5.0-alpha.1cb46b73

• Updatedbabel-helper-to-multiple-sequence-expressions@^0.5.0-alpha.1cb46b73