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Merge pull request #16182 from amcasey/MissingNullCheck

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Add missing null check
This commit is contained in:
Andrew Casey
2017-06-02 10:37:56 -07:00
committed by GitHub
parent e8f42c4a7b 95b5a691d4
commit 856c0fd3a8
1 changed files with 1 additions and 1 deletions
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src/server/project.ts
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@@ -646,7 +646,7 @@ namespace ts.server {
const added: string[] = [];
const removed: string[] = [];
const updated: string[] = arrayFrom(updatedFileNames.keys());
const updated: string[] = updatedFileNames ? arrayFrom(updatedFileNames.keys()) : [];
forEachKey(currentFiles, id => {
if (!lastReportedFileNames.has(id)) {