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Write message instead of crashing when native perf API not found.

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This commit is contained in:
Ron Buckton
2020-09-16 16:46:50 -07:00
committed by Eli Barzilay
parent a197beef6d
commit dfa55add5a
4 changed files with 63 additions and 19 deletions
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26
src/executeCommandLine/executeCommandLine.ts
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@@ -648,19 +648,21 @@ namespace ts {
reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K");
}
const programTime = performance.getDuration("Program");
const bindTime = performance.getDuration("Bind");
const checkTime = performance.getDuration("Check");
const emitTime = performance.getDuration("Emit");
const programTime = performance.isEnabled() ? performance.getDuration("Program") : 0;
const bindTime = performance.isEnabled() ? performance.getDuration("Bind") : 0;
const checkTime = performance.isEnabled() ? performance.getDuration("Check") : 0;
const emitTime = performance.isEnabled() ? performance.getDuration("Emit") : 0;
if (compilerOptions.extendedDiagnostics) {
const caches = program.getRelationCacheSizes();
reportCountStatistic("Assignability cache size", caches.assignable);
reportCountStatistic("Identity cache size", caches.identity);
reportCountStatistic("Subtype cache size", caches.subtype);
reportCountStatistic("Strict subtype cache size", caches.strictSubtype);
performance.forEachMeasure((name, duration) => reportTimeStatistic(`${name} time`, duration));
if (performance.isEnabled()) {
performance.forEachMeasure((name, duration) => reportTimeStatistic(`${name} time`, duration));
}
}
else {
else if (performance.isEnabled()) {
// Individual component times.
// Note: To match the behavior of previous versions of the compiler, the reported parse time includes
// I/O read time and processing time for triple-slash references and module imports, and the reported
@@ -672,10 +674,16 @@ namespace ts {
reportTimeStatistic("Check time", checkTime);
reportTimeStatistic("Emit time", emitTime);
}
reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime);
if (performance.isEnabled()) {
reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime);
}
reportStatistics();
performance.disable();
if (!performance.isEnabled()) {
sys.write(Diagnostics.Performance_timings_for_diagnostics_or_extendedDiagnostics_are_not_available_in_this_session_A_native_implementation_of_the_Web_Performance_API_could_not_be_found.message + "\n");
}
else {
performance.disable();
}
}
function reportStatistics() {