Connect to Node.js

Run Node.js with node --inspect-brk=9222 script.js in order to be able to inspect the runtime. Some preliminary setup is needed in order to make it work, the following recipe shows a minimal example (without error checking) that simply resumes the script execution.

Note: this is an experimental Node.js feature, things may change.

const CDP = require('chrome-remote-interface');

CDP(async(client) => {
    const {Debugger, Runtime} = client;
    try {
        client.Debugger.paused(() => {
            client.Debugger.resume();
            client.close();
        });
        await client.Runtime.runIfWaitingForDebugger();
        await client.Debugger.enable();
    } catch (err) {
        console.error(err);
    } finally {
        client.close();
    }
}).on('error', (err) => {
    console.error(err);
});

• V8 protocol