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add noScope option to traverse.clearProperties - fixes #624

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This commit is contained in:
Sebastian McKenzie 2015-01-29 10:13:29 +11:00
parent 979ce93499
commit 973be9ad96
1 changed files with 6 additions and 3 deletions
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9
lib/6to5/traverse/index.js
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@ -110,7 +110,7 @@ TraversalContext.prototype.visitNode = function (obj, key, opts, scope, parent,
var ourScope = scope; var ourScope = scope;
// we're entering a new scope so let's construct it! // we're entering a new scope so let's construct it!
if (t.isScope(node)) { if (!opts.noScope && t.isScope(node)) {
ourScope = new Scope(node, parent, scope); ourScope = new Scope(node, parent, scope);
} }
@ -177,7 +177,7 @@ function traverseNode(node, opts, scope, state) {
function traverse(parent, opts, scope, state) { function traverse(parent, opts, scope, state) {
if (!parent) return; if (!parent) return;
if (!scope) { if (!opts.noScope && !scope) {
if (parent.type !== "Program" && parent.type !== "File") { if (parent.type !== "Program" && parent.type !== "File") {
throw new Error("Must pass a scope unless traversing a Program/File got a " + parent.type + " node"); throw new Error("Must pass a scope unless traversing a Program/File got a " + parent.type + " node");
} }
@ -217,7 +217,10 @@ function clearNode(node) {
} }
} }
var clearVisitor = { enter: clearNode }; var clearVisitor = {
noScope: true,
enter: clearNode
};
function clearComments(comments) { function clearComments(comments) {
for (var i = 0; i < comments.length; i++) { for (var i = 0; i < comments.length; i++) {