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Use for..of instead

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This commit is contained in:
Kanchalai Tanglertsampan 2016-08-17 16:06:13 -07:00
parent 5d868880a4
commit 7b525ea99f
1 changed files with 19 additions and 16 deletions
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35
src/compiler/binder.ts
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@ -349,23 +349,26 @@ namespace ts {
? Diagnostics.Cannot_redeclare_block_scoped_variable_0
: Diagnostics.Duplicate_identifier_0;
// If the current node is a default export of some sort, then check if
// there are any other default exports that we need to error on.
// We'll know whether we have other default exports depending on if `symbol` already has a declaration list set.
if (isDefaultExport && symbol.declarations) {
message = Diagnostics.A_module_cannot_have_multiple_default_exports;
}
else {
// This is to properly report an error in the case "export default { }" is after export default of class declaration or function declaration.
forEach(symbol.declarations, declaration => {
// Error on multiple export default in the following case:
// 1. multiple export default of class declaration or function declaration by checking NodeFlags.Default
// 2. multiple export default of export assignment. This one doesn't have NodeFlags.Default on (as export default doesn't considered as modifiers)
if ((declaration.flags & NodeFlags.Default) ||
(declaration.kind === SyntaxKind.ExportAssignment && !(<ExportAssignment>node).isExportEquals)) {
message = Diagnostics.A_module_cannot_have_multiple_default_exports;
if (symbol.declarations && symbol.declarations.length) {
// If the current node is a default export of some sort, then check if
// there are any other default exports that we need to error on.
// We'll know whether we have other default exports depending on if `symbol` already has a declaration list set.
if (isDefaultExport) {
message = Diagnostics.A_module_cannot_have_multiple_default_exports;
}
else {
// This is to properly report an error in the case "export default { }" is after export default of class declaration or function declaration.
for (const declaration of symbol.declarations) {
// Error on multiple export default in the following case:
// 1. multiple export default of class declaration or function declaration by checking NodeFlags.Default
// 2. multiple export default of export assignment. This one doesn't have NodeFlags.Default on (as export default doesn't considered as modifiers)
if ((declaration.flags & NodeFlags.Default) ||
(declaration.kind === SyntaxKind.ExportAssignment && !(<ExportAssignment>node).isExportEquals)) {
message = Diagnostics.A_module_cannot_have_multiple_default_exports;
break;
}
}
});
}
}
forEach(symbol.declarations, declaration => {