estree-walker - npm Package Compare versions

Comparing version 0.6.0 to 0.6.1

CHANGELOG.md

 # changelog
 
+## 0.6.1
+
+* Only traverse nodes that exist and have a type ([#9](https://github.com/Rich-Harris/estree-walker/pull/9))
+* Only cache keys for nodes with a type ([#8](https://github.com/Rich-Harris/estree-walker/pull/8))
+
 ## 0.6.0
@@ -4,0 +9,0 @@

dist/estree-walker.umd.js

@@ -35,3 +35,3 @@ (function (global, factory) {
 
-		const keys = childKeys[node.type] || (
+		const keys = node.type && childKeys[node.type] || (
 			childKeys[node.type] = Object.keys(node).filter(key => typeof node[key] === 'object')
@@ -46,3 +46,3 @@ );
 				for (let j = 0; j < value.length; j += 1) {
-					visit(value[j], node, enter, leave, key, j);
+					value[j] && value[j].type && visit(value[j], node, enter, leave, key, j);
 				}
@@ -49,0 +49,0 @@ }

package.json

 {
   "name": "estree-walker",
   "description": "Traverse an ESTree-compliant AST",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "author": "Rich Harris",
@@ -6,0 +6,0 @@ "license": "MIT",

README.md

@@ -19,9 +19,9 @@ # estree-walker
 
-ast = acorn.parse( sourceCode, options ); // https://github.com/marijnh/acorn
+ast = acorn.parse( sourceCode, options ); // https://github.com/acornjs/acorn
 
 walk( ast, {
-  enter: function ( node, parent ) {
+  enter: function ( node, parent, prop, index ) {
     // some code happens
   },
-  leave: function ( node, parent ) {
+  leave: function ( node, parent, prop, index ) {
   	// some code happens
@@ -46,2 +46,2 @@ }
 
-MIT
+MIT

src/estree-walker.js

@@ -29,3 +29,3 @@ export function walk(ast, { enter, leave }) {
 
-	const keys = childKeys[node.type] || (
+	const keys = node.type && childKeys[node.type] || (
 		childKeys[node.type] = Object.keys(node).filter(key => typeof node[key] === 'object')
@@ -40,3 +40,3 @@ );
 			for (let j = 0; j < value.length; j += 1) {
-				visit(value[j], node, enter, leave, key, j);
+				value[j] && value[j].type && visit(value[j], node, enter, leave, key, j);
 			}
@@ -43,0 +43,0 @@ }

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Improved metrics

Total package byte prevSize

9526

increased by4.99%

Number of lines in readme file

46

increased by2.22%

No dependency changes