@babel/plugin-transform-destructuring - npm Package Compare versions

Comparing version 7.18.13 to 7.19.4

lib/index.js

@@ -8,2 +8,6 @@ 'use strict';
 
+function isPureVoid(node) {
+  return core.types.isUnaryExpression(node) && node.operator === "void" && core.types.isPureish(node.argument);
+}
+
 function unshiftForXStatementBody(statementPath, newStatements) {
@@ -131,3 +135,3 @@ statementPath.ensureBlock();
   }, valueRef) {
-    if (valueRef === null) {
+    if (isPureVoid(valueRef)) {
       this.push(left, right);
@@ -178,4 +182,4 @@ return;
   pushObjectPattern(pattern, objRef) {
-    if (!pattern.properties.length || objRef === null) {
-      this.nodes.push(core.types.expressionStatement(core.types.callExpression(this.addHelper("objectDestructuringEmpty"), objRef !== null ? [objRef] : [])));
+    if (!pattern.properties.length) {
+      this.nodes.push(core.types.expressionStatement(core.types.callExpression(this.addHelper("objectDestructuringEmpty"), isPureVoid(objRef) ? [] : [objRef])));
       return;
@@ -265,2 +269,4 @@ }
   pushUnpackedArrayPattern(pattern, arr) {
+    const holeToUndefined = el => el != null ? el : this.scope.buildUndefinedNode();
+
     for (let i = 0; i < pattern.elements.length; i++) {
@@ -270,5 +276,5 @@ const elem = pattern.elements[i];
       if (core.types.isRestElement(elem)) {
-        this.push(elem.argument, core.types.arrayExpression(arr.elements.slice(i)));
+        this.push(elem.argument, core.types.arrayExpression(arr.elements.slice(i).map(holeToUndefined)));
       } else {
-        this.push(elem, arr.elements[i]);
+        this.push(elem, holeToUndefined(arr.elements[i]));
       }
@@ -358,3 +364,3 @@ }
     const extendsHelper = useBuiltIns ? core.types.memberExpression(core.types.identifier("Object"), core.types.identifier("assign")) : addHelper("extends");
-    value = core.types.callExpression(extendsHelper, [core.types.objectExpression([]), core.types.cloneNode(objRef)]);
+    value = core.types.callExpression(extendsHelper, [core.types.objectExpression([]), core.types.sequenceExpression([core.types.callExpression(addHelper("objectDestructuringEmpty"), [core.types.cloneNode(objRef)]), core.types.cloneNode(objRef)])]);
   } else {
@@ -361,0 +367,0 @@ let keyExpression = core.types.arrayExpression(keys);

package.json

 {
   "name": "@babel/plugin-transform-destructuring",
-  "version": "7.18.13",
+  "version": "7.19.4",
   "description": "Compile ES2015 destructuring to ES5",
@@ -20,3 +20,3 @@ "repository": {
   "dependencies": {
-    "@babel/helper-plugin-utils": "^7.18.9"
+    "@babel/helper-plugin-utils": "^7.19.0"
   },
@@ -27,5 +27,5 @@ "peerDependencies": {
   "devDependencies": {
-    "@babel/core": "^7.18.13",
+    "@babel/core": "^7.19.3",
     "@babel/helper-plugin-test-runner": "^7.18.6",
-    "@babel/traverse": "^7.18.13"
+    "@babel/traverse": "^7.19.4"
   },
@@ -32,0 +32,0 @@ "engines": {

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79508

increased by2.01%

Lines of code

526

increased by0.77%

Dependency changes

• Updated@babel/helper-plugin-utils@^7.19.0