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Merge pull request #19935 from Microsoft/fixDiagnostics

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Fix crash when running tsc with -diagnostics
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Ron Buckton 2017-11-10 16:29:52 -08:00 committed by GitHub
commit 137950b406
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1 changed files with 2 additions and 1 deletions
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src/compiler/performance.ts
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@ -10,7 +10,8 @@ namespace ts {
namespace ts.performance {
declare const onProfilerEvent: { (markName: string): void; profiler: boolean; };
const profilerEvent: (markName: string) => void = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true ? onProfilerEvent : noop;
// NOTE: cannot use ts.noop as core.ts loads after this
const profilerEvent: (markName: string) => void = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true ? onProfilerEvent : () => { /*empty*/ };
let enabled = false;
let profilerStart = 0;