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chore: don't throw if paramTypes is undefined.

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Closes #1955
This commit is contained in:
Josef Meier 2015-05-18 08:11:13 +02:00 committed by Misko Hevery
parent edfbc25768
commit 8e84f8a1c4
1 changed files with 11 additions and 2 deletions
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13
modules/angular2/src/reflection/reflection_capabilities.ts
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@ -48,12 +48,21 @@ export class ReflectionCapabilities {
} }
_zipTypesAndAnnotaions(paramTypes, paramAnnotations): List<List<any>> { _zipTypesAndAnnotaions(paramTypes, paramAnnotations): List<List<any>> {
var result = ListWrapper.createFixedSize(paramTypes.length); var result;
if (typeof paramTypes === 'undefined') {
result = ListWrapper.createFixedSize(paramAnnotations.length);
} else {
result = ListWrapper.createFixedSize(paramTypes.length);
}
for (var i = 0; i < result.length; i++) { for (var i = 0; i < result.length; i++) {
// TS outputs Object for parameters without types, while Traceur omits // TS outputs Object for parameters without types, while Traceur omits
// the annotations. For now we preserve the Traceur behavior to aid // the annotations. For now we preserve the Traceur behavior to aid
// migration, but this can be revisited. // migration, but this can be revisited.
if (paramTypes[i] != Object) { if (typeof paramTypes === 'undefined') {
result[i] = [];
} else if (paramTypes[i] != Object) {
result[i] = [paramTypes[i]]; result[i] = [paramTypes[i]];
} else { } else {
result[i] = []; result[i] = [];