const testModule = require('./index.node') function testSpawnThread(n) { console.info('=== Test spawn task to threadpool') return testModule.testSpawnThread(n) } testSpawnThread(20) .then((value) => { console.assert(value === 6765) console.info('=== fibonacci result', value) }) .catch((e) => { console.error(e) process.exit(1) })