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Load ETW module from a specified path #39599

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Merged
merged 1 commit into from
Jul 14, 2020
Merged

Load ETW module from a specified path #39599

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6 changes: 4 additions & 2 deletions src/compiler/perfLogger.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,11 @@ namespace ts {
// See https://github.com/microsoft/typescript-etw for more information
let etwModule;
try {
// require() will throw an exception if the module is not installed
const etwModulePath = process.env.TS_ETW_MODULE_PATH ?? "./node_modules/@microsoft/typescript-etw";

// require() will throw an exception if the module is not found
// It may also return undefined if not installed properly
etwModule = require("@microsoft/typescript-etw");
etwModule = require(etwModulePath);
}
catch (e) {
etwModule = undefined;
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