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add iife detection to non-identifier params in default parameters

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This commit is contained in:
Sebastian McKenzie 2015-02-08 09:37:06 +11:00
parent 9afa3f6b58
commit b06f99ab30
1 changed files with 7 additions and 1 deletions
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8
lib/6to5/transformation/transformers/es6/parameters.default.js
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@ -9,7 +9,7 @@ exports.check = function (node) {
var hasDefaults = function (node) {
for (var i = 0; i < node.params.length; i++) {
if (t.isAssignmentPattern(node.params[i])) return true;
if (!t.isIdentifier(node.params[i])) return true;
}
return false;
};
@ -54,9 +54,15 @@ exports.Function = function (node, parent, scope, file) {
if (!t.isAssignmentPattern(param)) {
lastNonDefaultParam = i + 1;
if (!t.isIdentifier(param)) {
scope.traverse(param, iifeVisitor, state);
}
if (file.transformers["es6.blockScopingTDZ"].canRun()) {
pushDefNode(param, t.identifier("undefined"), i);
}
continue;
}