cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

check for scope collisions in constants transformer - fixes #331

Browse Source
This commit is contained in:
Sebastian McKenzie 2015-02-03 12:03:38 +11:00
parent b2ad79cf88
commit e6e93840a6
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/6to5/transformation/transformers/es6/constants.js
View File

@ -6,7 +6,7 @@ var t = require("../../../types");
var visitor = {
enter: function (node, parent, scope, context, state) {
if (t.isDeclaration(node) || t.isAssignmentExpression(node)) {
var ids = t.getDeclarations(node);
var ids = t.getBindingIdentifiers(node);
for (var key in ids) {
var id = ids[key];
@ -21,6 +21,9 @@ var visitor = {
// constant so we can just ignore it
if (id === constant) continue;
var localBinding = scope.get(key, true);
if (localBinding !== constant) continue;
throw state.file.errorWithNode(id, key + " is read-only");
}
} else if (t.isScope(node)) {