[Pkg-javascript-commits] [node-estree-walker] 06/09: New upstream version 0.5.1

Julien Puydt julien.puydt at laposte.net
Thu Nov 23 06:48:46 UTC 2017


This is an automated email from the git hooks/post-receive script.

jpuydt-guest pushed a commit to branch master
in repository node-estree-walker.

commit cb6e8a1cc544cb1410bb29a41bc6adb9d23628aa
Author: Julien Puydt <julien.puydt at laposte.net>
Date:   Thu Nov 23 07:20:41 2017 +0100

    New upstream version 0.5.1
---
 CHANGELOG.md         |    4 +
 package-lock.json    | 1454 ++++++++++++++++++++++++++++++++++++++++++++++++++
 package.json         |    8 +-
 rollup.config.js     |   14 +-
 src/estree-walker.js |   14 +-
 test/test.js         |   52 ++
 6 files changed, 1528 insertions(+), 18 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 100e34a..a3ad02d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # changelog
 
+## 0.5.1
+
+* Prevent context corruption when `walk()` is called during a walk
+
 ## 0.5.0
 
 * Export `childKeys`, for manually fixing in case of malformed ASTs
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..427d458
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1454 @@
+{
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+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "write": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
+      "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1"
+      }
+    },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index 5fcae2c..e2ae76b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "estree-walker",
   "description": "Traverse an ESTree-compliant AST",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "author": "Rich Harris",
   "license": "MIT",
   "typings": "index.d.ts",
@@ -21,9 +21,9 @@
   },
   "devDependencies": {
     "buble": "^0.15.2",
-    "eslint": "^3.16.0",
-    "mocha": "^3.2.0",
-    "rollup": "^0.41.4",
+    "eslint": "^4.5.0",
+    "mocha": "^3.5.0",
+    "rollup": "^0.48.0",
     "rollup-plugin-buble": "^0.15.0"
   },
   "files": [
diff --git a/rollup.config.js b/rollup.config.js
index c38bd04..478f590 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,14 +1,12 @@
 import buble from 'rollup-plugin-buble';
-
-const pkg = require( './package.json' );
+import pkg from './package.json';
 
 export default {
-	entry: 'src/estree-walker.js',
-	targets: [
-		{ dest: pkg.main, format: 'umd' },
-		{ dest: pkg.module, format: 'es' }
+	input: 'src/estree-walker.js',
+	output: [
+		{ file: pkg.main, format: 'umd', name: 'estreeWalker' },
+		{ file: pkg.module, format: 'es' }
 	],
-	moduleName: 'estreeWalker',
 	plugins: [ buble() ],
-	sourceMap: true
+	sourcemap: true
 };
diff --git a/src/estree-walker.js b/src/estree-walker.js
index 6072c6f..5630829 100644
--- a/src/estree-walker.js
+++ b/src/estree-walker.js
@@ -2,10 +2,8 @@ export function walk ( ast, { enter, leave }) {
 	visit( ast, null, enter, leave );
 }
 
-const context = {
-	skip: () => context.shouldSkip = true,
-	shouldSkip: false
-};
+let shouldSkip = false;
+const context = { skip: () => shouldSkip = true };
 
 export const childKeys = {};
 
@@ -19,9 +17,13 @@ function visit ( node, parent, enter, leave, prop, index ) {
 	if ( !node ) return;
 
 	if ( enter ) {
-		context.shouldSkip = false;
+		let _shouldSkip = shouldSkip;
+		shouldSkip = false;
 		enter.call( context, node, parent, prop, index );
-		if ( context.shouldSkip ) return;
+		const skipped = shouldSkip;
+		shouldSkip = _shouldSkip;
+
+		if ( skipped ) return;
 	}
 
 	const keys = childKeys[ node.type ] || (
diff --git a/test/test.js b/test/test.js
index 0ce4432..fc7d2f5 100644
--- a/test/test.js
+++ b/test/test.js
@@ -131,4 +131,56 @@ describe( 'estree-walker', () => {
 
 		assert.ok( true );
 	});
+
+	it( 'allows walk() to be invoked within a walk, without context corruption', () => {
+		const ast = {
+			type: 'Program',
+			start: 0,
+			end: 8,
+			body: [{
+				type: 'ExpressionStatement',
+				start: 0,
+				end: 6,
+				expression: {
+					type: 'BinaryExpression',
+					start: 0,
+					end: 5,
+					left: {
+						type: 'Identifier',
+						start: 0,
+						end: 1,
+						name: 'a'
+					},
+					operator: '+',
+					right: {
+						type: 'Identifier',
+						start: 4,
+						end: 5,
+						name: 'b'
+					}
+				}
+			}],
+			sourceType: 'module'
+		};
+
+		const identifiers = [];
+
+		walk( ast, {
+			enter (node) {
+				if (node.type === 'ExpressionStatement') {
+					walk(node, {
+						enter () {
+							this.skip();
+						}
+					});
+				}
+
+				if (node.type === 'Identifier') {
+					identifiers.push(node.name);
+				}
+			}
+		});
+
+		assert.deepEqual(identifiers, ['a', 'b']);
+	});
 });

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-javascript/node-estree-walker.git



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