@babel/plugin-transform-block-scoping - npm Package Compare versions

Comparing version 7.10.4 to 7.10.5

lib/index.js

@@ -12,10 +12,4 @@ "use strict";
 
-var _values = _interopRequireDefault(require("lodash/values"));
-
-var _extend = _interopRequireDefault(require("lodash/extend"));
-
 var _core = require("@babel/core");
 
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
 const DONE = new WeakSet();
@@ -56,3 +50,3 @@
 
-            const assign = _core.types.assignmentExpression("=", decl.id, decl.init || scope.buildUndefinedNode());
+            const assign = _core.types.assignmentExpression("=", _core.types.cloneNode(decl.id), decl.init || scope.buildUndefinedNode());
 
@@ -185,3 +179,3 @@ assign._ignoreBlockScopingTDZ = true;
   ReferencedIdentifier(path, state) {
-    const ref = state.letReferences[path.node.name];
+    const ref = state.letReferences.get(path.node.name);
     if (!ref) return;
@@ -237,3 +231,3 @@ const localBinding = path.scope.getBindingIdentifier(path.node.name);
       for (const name of Object.keys(path.getBindingIdentifiers())) {
-        if (state.outsideReferences[name] !== path.scope.getBindingIdentifier(name)) {
+        if (state.outsideReferences.get(name) !== path.scope.getBindingIdentifier(name)) {
           continue;
@@ -330,5 +324,5 @@ }
     this.block = blockPath.node;
-    this.outsideLetReferences = Object.create(null);
+    this.outsideLetReferences = new Map();
     this.hasLetReferences = false;
-    this.letReferences = Object.create(null);
+    this.letReferences = new Map();
     this.body = [];
@@ -401,4 +395,4 @@
 
-    for (const key of Object.keys(letRefs)) {
-      const ref = letRefs[key];
+    for (const key of letRefs.keys()) {
+      const ref = letRefs.get(key);
       const binding = blockScope.getBinding(ref.name);
@@ -427,4 +421,4 @@ if (!binding) continue;
 
-    for (const key of Object.keys(letRefs)) {
-      const ref = letRefs[key];
+    for (const key of letRefs.keys()) {
+      const ref = letRefs.get(key);
 
@@ -442,4 +436,4 @@ if (scope.parentHasBinding(key) || scope.hasGlobal(key)) {
 
-    for (const key of Object.keys(outsideLetRefs)) {
-      const ref = letRefs[key];
+    for (const key of outsideLetRefs.keys()) {
+      const ref = letRefs.get(key);
 
@@ -461,11 +455,11 @@ if (isInLoop(this.blockPath) && blockPathScope.hasOwnBinding(key)) {
     if (this.loop) {
-      for (const name of Object.keys(outsideRefs)) {
-        const id = outsideRefs[name];
+      for (const name of [...outsideRefs.keys()]) {
+        const id = outsideRefs.get(name);
 
         if (this.scope.hasGlobal(id.name) || this.scope.parentHasBinding(id.name)) {
-          delete outsideRefs[id.name];
-          delete this.letReferences[id.name];
+          outsideRefs.delete(id.name);
+          this.letReferences.delete(id.name);
           this.scope.rename(id.name);
-          this.letReferences[id.name] = id;
-          outsideRefs[id.name] = id;
+          this.letReferences.set(id.name, id);
+          outsideRefs.set(id.name, id);
         }
@@ -477,3 +471,3 @@ }
     this.hoistVarDeclarations();
-    const args = (0, _values.default)(outsideRefs).map(id => _core.types.cloneNode(id));
+    const args = Array.from(outsideRefs.values(), node => _core.types.cloneNode(node));
     const params = args.map(id => _core.types.cloneNode(id));
@@ -583,3 +577,8 @@ const isSwitch = this.blockPath.isSwitchStatement();
         declarators.push(init);
-        (0, _extend.default)(this.outsideLetReferences, _core.types.getBindingIdentifiers(init));
+
+        const names = _core.types.getBindingIdentifiers(init);
+
+        for (const name of Object.keys(names)) {
+          this.outsideLetReferences.set(name, names[name]);
+        }
       }
@@ -630,3 +629,6 @@ }
 
-      (0, _extend.default)(this.letReferences, keys);
+      for (const key of Object.keys(keys)) {
+        this.letReferences.set(key, keys[key]);
+      }
+
       this.hasLetReferences = true;
@@ -698,45 +700,14 @@ }
     const body = this.body;
-    let retCheck;
     const has = this.has;
-    const cases = [];
 
-    if (has.hasReturn) {
-      retCheck = buildRetCheck({
-        RETURN: _core.types.identifier(ret)
-      });
-    }
-
     if (has.hasBreakContinue) {
       for (const key of Object.keys(has.map)) {
-        cases.push(_core.types.switchCase(_core.types.stringLiteral(key), [has.map[key]]));
+        body.push(_core.types.ifStatement(_core.types.binaryExpression("===", _core.types.identifier(ret), _core.types.stringLiteral(key)), has.map[key]));
       }
+    }
 
-      if (has.hasReturn) {
-        cases.push(_core.types.switchCase(null, [retCheck]));
-      }
-
-      if (cases.length === 1) {
-        const single = cases[0];
-        body.push(_core.types.ifStatement(_core.types.binaryExpression("===", _core.types.identifier(ret), single.test), single.consequent[0]));
-      } else {
-        if (this.loop) {
-          for (let i = 0; i < cases.length; i++) {
-            const caseConsequent = cases[i].consequent[0];
-
-            if (_core.types.isBreakStatement(caseConsequent) && !caseConsequent.label) {
-              if (!this.loopLabel) {
-                this.loopLabel = this.scope.generateUidIdentifier("loop");
-              }
-
-              caseConsequent.label = _core.types.cloneNode(this.loopLabel);
-            }
-          }
-        }
-
-        body.push(_core.types.switchStatement(_core.types.identifier(ret), cases));
-      }
-    } else {
-      if (has.hasReturn) {
-        body.push(retCheck);
-      }
+    if (has.hasReturn) {
+      body.push(buildRetCheck({
+        RETURN: _core.types.identifier(ret)
+      }));
     }
@@ -743,0 +714,0 @@ }

lib/tdz.js

@@ -27,3 +27,3 @@ "use strict";
 function isReference(node, scope, state) {
-  const declared = state.letReferences[node.name];
+  const declared = state.letReferences.get(node.name);
   if (!declared) return false;
@@ -30,0 +30,0 @@ return scope.getBindingIdentifier(node.name) === declared;

package.json

 {
   "name": "@babel/plugin-transform-block-scoping",
-  "version": "7.10.4",
+  "version": "7.10.5",
   "description": "Compile ES2015 block scoping (const and let) to ES5",
@@ -16,4 +16,3 @@ "repository": {
   "dependencies": {
-    "@babel/helper-plugin-utils": "^7.10.4",
-    "lodash": "^4.17.13"
+    "@babel/helper-plugin-utils": "^7.10.4"
   },
@@ -27,6 +26,6 @@ "keywords": [
   "devDependencies": {
-    "@babel/core": "^7.10.4",
+    "@babel/core": "^7.10.5",
     "@babel/helper-plugin-test-runner": "^7.10.4"
   },
-  "gitHead": "7fd40d86a0d03ff0e9c3ea16b29689945433d4df"
+  "gitHead": "f7964a9ac51356f7df6404a25b27ba1cffba1ba7"
 }

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Found 1 instance in 1 package

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New author

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Improved metrics

Dependency count

2

decreased by-33.33%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

24596

decreased by-4.05%

Lines of code

642

decreased by-3.6%

Dependency changes

• - Removedlodash@^4.17.13

• - Removedlodash@4.17.21(transitive)