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fix block scoping transformer

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Sebastian McKenzie 2015-06-25 04:10:32 +01:00
parent c3219e8b88
commit a6f04055c0
1 changed files with 18 additions and 22 deletions
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40
src/babel/transformation/transformers/es6/block-scoping.js
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@ -149,30 +149,26 @@ var letReferenceFunctionVisitor = {
};
var hoistVarDeclarationsVisitor = {
VariableDeclaration(node, parent, scope, self) {
return self.pushDeclar(node).map(t.expressionStatement);
},
ForStatement(node, parent, scope, self) {
if (isVar(node.init, node)) {
var nodes = self.pushDeclar(node.init);
if (nodes.length === 1) {
node.init = nodes[0];
} else {
node.init = t.sequenceExpression(nodes);
enter(node, parent, scope, self) {
if (this.isForStatement()) {
if (isVar(node.init, node)) {
var nodes = self.pushDeclar(node.init);
if (nodes.length === 1) {
node.init = nodes[0];
} else {
node.init = t.sequenceExpression(nodes);
}
}
} else if (this.isFor()) {
if (isVar(node.left, node)) {
node.left = node.left.declarations[0].id;
self.pushDeclar(node.left);
}
} else if (isVar(node, parent)) {
return self.pushDeclar(node).map(t.expressionStatement);
} else if (this.isFunction()) {
return this.skip();
}
},
For(node, parent, scope, self) {
if (isVar(node.left, node)) {
self.pushDeclar(node.left);
node.left = node.left.declarations[0].id;
}
},
Function() {
this.skip();
}
};