6to5-core - npm Package Compare versions

Comparing version 3.0.8 to 3.0.9

lib/6to5/transformation/transformers/internal/modules-split.js

 "use strict";
 
+// in this transformer we have to split up classes and function declarations
+// from their exports. why? because sometimes we need to replace classes with
+// nodes that aren't allowed in the same contexts. also, if you're exporting
+// a generator function as a default then regenerator will destroy the export
+// declaration and leave a variable declaration in it's place... yeah, handy.
+
 var t = require("../../../types");
@@ -4,0 +10,0 @@

lib/6to5/types/index.js

@@ -229,3 +229,3 @@ "use strict";
 /**
- * Description
+ * Check if the input `node` is going to be evaluated, ie. is a refernece.
  *
@@ -238,41 +238,66 @@ * @param {Object} node
 t.isReferenced = function (node, parent) {
-  // we're a property key and we aren't computed so we aren't referenced
-  if (t.isProperty(parent) && parent.key === node && !parent.computed) return false;
+  if (t.isProperty(parent)) {
+    return parent.key === node && parent.computed;
+  }
 
+  if (t.isRestElement(parent)) {
+    return false;
+  }
+
+  if (t.isAssignmentPattern(parent)) {
+    return parent.right !== node;
+  }
+
+  if (t.isPattern(parent)) {
+    return false;
+  }
+
   if (t.isFunction(parent)) {
-    // we're a function param
-    if (_.contains(parent.params, node)) return false;
-
     for (var i = 0; i < parent.params.length; i++) {
       var param = parent.params[i];
-      if (param === node) {
-        return false;
-      } else if (t.isRestElement(param) && param.argument === node) {
-        return false;
-      }
+      if (param === node) return false;
     }
+
+    return parent.id !== node;
   }
 
-  if (t.isMethodDefinition(parent) && parent.key === node && !parent.computed) {
+  if (t.isClass(parent)) {
+    return parent.id !== node;
+  }
+
+  if (t.isMethodDefinition(parent)) {
+    return parent.key === node && parent.computed;
+  }
+
+  if (t.isImportSpecifier(parent)) {
     return false;
   }
 
-  // we're a catch clause param
-  if (t.isCatchClause(parent) && parent.param === node) return false;
+  if (t.isImportBatchSpecifier(parent)) {
+    return false;
+  }
 
-  // we're a variable declarator id so we aren't referenced
-  if (t.isVariableDeclarator(parent) && parent.id === node) return false;
+  if (t.isLabeledStatement(parent)) {
+    return false;
+  }
 
-  var isMemberExpression = t.isMemberExpression(parent);
+  if (t.isCatchClause(parent)) {
+    return parent.param !== node;
+  }
 
-  // we're in a member expression and we're the computed property so we're referenced
-  var isComputedProperty = isMemberExpression && parent.property === node && parent.computed;
+  if (t.isVariableDeclarator(parent)) {
+    return parent.id !== node;
+  }
 
-  // we're in a member expression and we're the object so we're referenced
-  var isObject = isMemberExpression && parent.object === node;
+  if (t.isMemberExpression(parent)) {
+    if (parent.property === node && parent.computed) { // PARENT[NODE]
+      return true;
+    } else if (parent.object === node) { // NODE.child
+      return true;
+    } else {
+      return false;
+    }
+  }
 
-  // we are referenced
-  if (!isMemberExpression || isComputedProperty || isObject) return true;
-
-  return false;
+  return true;
 };
@@ -322,9 +347,6 @@
   // camel case
-  name = name.replace(/[-_\s]+(.)?/g, function (match, c) {
+  name = name.replace(/[-\s]+(.)?/g, function (match, c) {
     return c ? c.toUpperCase() : "";
   });
 
-  // remove underscores from start of name
-  name = name.replace(/^\_/, "");
-
   if (!t.isValidIdentifier(name)) {
@@ -331,0 +353,0 @@ name = "_" + name;

package.json

 {
   "name": "6to5-core",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "3.0.8",
+  "version": "3.0.9",
   "author": "Sebastian McKenzie <[e-mail]>",
@@ -6,0 +6,0 @@ "homepage": "https://6to5.org/",

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Improved metrics

Total package byte prevSize

1358894

increased by0.02%

Lines of code

11390

increased by0.22%

No dependency changes