Using Node Debugger with Mocha


Your package.json that has the following lines:

scripts: {
    "mocha": "mocha"


  • nodejs v6.3.0 and mocha v3.1.0
    • you can use V8 inspector integration
    • --inspect activates V8 inspector integration
    • --debug-brk adds a breakpoint at the beginning
    • You can run: npm run mocha -- --inspect --debug-brk
  • nodejs v7.6.0 and mocha v3.3.0
    • You can run: npm run mocha -- --inspect-brk
      • --inspect-brk is a shorthand for --inspect --debug-brk


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