pongo/jest-memory-usage.md

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jest-memory-usage.md

jest memory usage

Код

if (globalConfig.logHeapUsage) {
  if (global.gc) {
    global.gc();
  }
  result.memoryUsage = process.memoryUsage().heapUsed;
}

https://github.com/facebook/jest/blob/64de4d7361367fd711a231d25c37f3be89564264/packages/jest-runner/src/runTest.ts#L307-L312

Запуск ноды

node --trace-warnings --expose-gc node_modules/.bin/jest --logHeapUsage

https://github.com/juhosuominen/jest-nock-memory-leak/blob/master/package.json

Ключевое здесь: --expose-gc

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