@babel/generator - npm Package Compare versions

Comparing version 7.17.7 to 7.17.9

lib/generators/expressions.js

@@ -131,5 +131,41 @@ "use strict";
 
+function isDecoratorMemberExpression(node) {
+  switch (node.type) {
+    case "Identifier":
+      return true;
+
+    case "MemberExpression":
+      return !node.computed && node.property.type === "Identifier" && isDecoratorMemberExpression(node.object);
+
+    default:
+      return false;
+  }
+}
+
+function shouldParenthesizeDecoratorExpression(node) {
+  if (node.type === "CallExpression") {
+    node = node.callee;
+  }
+
+  if (node.type === "ParenthesizedExpression") {
+    return false;
+  }
+
+  return !isDecoratorMemberExpression(node);
+}
+
 function Decorator(node) {
   this.token("@");
-  this.print(node.expression, node);
+  const {
+    expression
+  } = node;
+
+  if (shouldParenthesizeDecoratorExpression(expression)) {
+    this.token("(");
+    this.print(expression, node);
+    this.token(")");
+  } else {
+    this.print(expression, node);
+  }
+
   this.newline();
@@ -136,0 +172,0 @@ }

package.json

 {
   "name": "@babel/generator",
-  "version": "7.17.7",
+  "version": "7.17.9",
   "description": "Turns an AST into code.",
@@ -28,3 +28,3 @@ "author": "The Babel Team (https://babel.dev/team)",
     "@babel/helper-fixtures": "^7.17.0",
-    "@babel/parser": "^7.17.7",
+    "@babel/parser": "^7.17.9",
     "@jridgewell/trace-mapping": "^0.3.4",
@@ -31,0 +31,0 @@ "@types/jsesc": "^2.5.0",

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