babel-generator - npm Package Compare versions

Comparing version 6.2.0 to 6.2.3

lib/buffer.js

@@ -113,3 +113,5 @@ "use strict";
     this.newline(true);
-    //if (this.format.compact) this._removeLast(";");
+    if (this.format.compact && !this._lastPrintedIsEmptyStatement) {
+      this._removeLast(";");
+    }
     this.push("}");
@@ -116,0 +118,0 @@ };

lib/generators/expressions.js

@@ -173,2 +173,3 @@ /* @flow */
 function EmptyStatement() {
+  this._lastPrintedIsEmptyStatement = true;
   this.semicolon();
@@ -184,3 +185,5 @@ }
   this.print(node.left, node);
-  this.push(" = ");
+  this.space();
+  this.push("=");
+  this.space();
   this.print(node.right, node);
@@ -201,3 +204,2 @@ }
   var spaces = !this.format.compact || node.operator === "in" || node.operator === "instanceof";
-  spaces = true; // todo: https://github.com/babel/babel/issues/1835
   if (spaces) this.push(" ");
@@ -210,3 +212,5 @@
     // http://javascript.spec.whatwg.org/#comment-syntax
-    spaces = node.operator === "<" && t.isUnaryExpression(node.right, { prefix: true, operator: "!" }) && t.isUnaryExpression(node.right.argument, { prefix: true, operator: "--" });
+    spaces = node.operator === "<" && t.isUnaryExpression(node.right, { prefix: true, operator: "!" }) && t.isUnaryExpression(node.right.argument, { prefix: true, operator: "--" }) ||
+    // Need spaces for operators of the same kind to avoid: `a+++b`
+    t.isUnaryExpression(node.right, { prefix: true, operator: node.operator }) || t.isUpdateExpression(node.right, { prefix: true, operator: node.operator + node.operator });
   }
@@ -213,0 +217,0 @@

lib/printer.js

@@ -53,2 +53,4 @@ "use strict";
 
+    this._lastPrintedIsEmptyStatement = false;
+
     if (parent && parent._compact) {
@@ -192,8 +194,8 @@ node._compact = true;
     var node = parent.body;
-    if (t.isEmptyStatement(node)) {
-      this.semicolon();
-    } else {
-      this.push(" ");
-      this.print(node, parent);
+
+    if (!t.isEmptyStatement(node)) {
+      this.space();
     }
+
+    this.print(node, parent);
   };
@@ -200,0 +202,0 @@

package.json

 {
   "name": "babel-generator",
-  "version": "6.2.0",
+  "version": "6.2.3",
   "description": "Turns an AST into code.",
@@ -16,3 +16,3 @@ "author": "Sebastian McKenzie <[e-mail]>",
     "babel-runtime": "^5.0.0",
-    "babel-types": "^6.2.0",
+    "babel-types": "^6.2.3",
     "detect-indent": "^3.0.1",
@@ -19,0 +19,0 @@ "is-integer": "^1.0.4",

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Improved metrics

Total package byte prevSize

83892

increased by0.37%

Lines of code

2580

increased by0.19%

Dependency changes

• Updatedbabel-types@^6.2.3