@babel/helper-replace-supers - npm Package Compare versions

Comparing version 7.8.6 to 7.9.6

lib/index.js

@@ -116,7 +116,29 @@ "use strict";
   get(superMember) {
-    return t.callExpression(this.file.addHelper("get"), [getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod), this.prop(superMember), t.thisExpression()]);
+    return this._get(superMember, this._getThisRefs());
   },
 
+  _get(superMember, thisRefs) {
+    const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod);
+    return t.callExpression(this.file.addHelper("get"), [thisRefs.memo ? t.sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), thisRefs.this]);
+  },
+
+  _getThisRefs() {
+    if (!this.isDerivedConstructor) {
+      return {
+        this: t.thisExpression()
+      };
+    }
+
+    const thisRef = this.scope.generateDeclaredUidIdentifier("thisSuper");
+    return {
+      memo: t.assignmentExpression("=", thisRef, t.thisExpression()),
+      this: t.cloneNode(thisRef)
+    };
+  },
+
   set(superMember, value) {
-    return t.callExpression(this.file.addHelper("set"), [getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod), this.prop(superMember), value, t.thisExpression(), t.booleanLiteral(superMember.isInStrictMode())]);
+    const thisRefs = this._getThisRefs();
+
+    const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod);
+    return t.callExpression(this.file.addHelper("set"), [thisRefs.memo ? t.sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), value, thisRefs.this, t.booleanLiteral(superMember.isInStrictMode())]);
   },
@@ -129,3 +151,5 @@
   call(superMember, args) {
-    return (0, _helperOptimiseCallExpression.default)(this.get(superMember), t.thisExpression(), args);
+    const thisRefs = this._getThisRefs();
+
+    return (0, _helperOptimiseCallExpression.default)(this._get(superMember, thisRefs), t.cloneNode(thisRefs.this), args);
   }
@@ -181,2 +205,6 @@
     return t.memberExpression(t.thisExpression(), prop, computed);
+  },
+
+  call(superMember, args) {
+    return (0, _helperOptimiseCallExpression.default)(this.get(superMember), t.thisExpression(), args);
   }
@@ -190,2 +218,5 @@
     this.methodPath = path;
+    this.isDerivedConstructor = path.isClassMethod({
+      kind: "constructor"
+    }) && !!opts.superRef;
     this.isStatic = path.isObjectMethod() || path.node.static;
@@ -207,2 +238,4 @@ this.isPrivateMethod = path.isPrivate() && path.isMethod();
       file: this.file,
+      scope: this.methodPath.scope,
+      isDerivedConstructor: this.isDerivedConstructor,
       isStatic: this.isStatic,
@@ -209,0 +242,0 @@ isPrivateMethod: this.isPrivateMethod,

package.json

 {
   "name": "@babel/helper-replace-supers",
-  "version": "7.8.6",
+  "version": "7.9.6",
   "description": "Helper function to replace supers",
@@ -14,6 +14,6 @@ "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-replace-supers",
     "@babel/helper-optimise-call-expression": "^7.8.3",
-    "@babel/traverse": "^7.8.6",
-    "@babel/types": "^7.8.6"
+    "@babel/traverse": "^7.9.6",
+    "@babel/types": "^7.9.6"
   },
-  "gitHead": "750d3dde3bd2d390819820fd22c05441da78751b"
+  "gitHead": "9c2846bcacc75aa931ea9d556950c2113765d43d"
 }

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Improved metrics

Total package byte prevSize

9408

increased by12.23%

Lines of code

195

increased by16.07%

Dependency changes

• Updated@babel/traverse@^7.9.6

• Updated@babel/types@^7.9.6