feat(cli): implement --inspect|-i flags for start (resolve #91)

packages/core/botpress/src/botpress.js

@@ -130,7 +130,7 @@ const validateBotfile = botfile => {
 }
 
 class botpress {
-  constructor({ botfile }) {
+  constructor({ botfile, options = {} }) {
     this.version = getBotpressVersion()
     /**
      * The project location, which is the folder where botfile.js located
@@ -152,6 +152,14 @@ class botpress {
     this.stats = stats(this.botfile)
 
     this.interval = null
+
+    /*
+      Check --inspect flag
+    */
+
+    const opts = options.opts()
+
+    this.hasInspectMode = opts.inspect || opts.i
   }
 
   /**
@@ -376,6 +384,18 @@ class botpress {
     const server = createServer(this)
     server.start().then(srv => {
       this.stopServer = srv && srv.stop
+
+      if (this.hasInspectMode) {
+        const serverPID = process.pid
+        const inspectSignal = 'SIGUSR1'
+
+        if (process.platform === 'win32') {
+          process._debugProcess(serverPID)
+        } else {
+          process.kill(serverPID, inspectSignal)
+        }
+      }
+
       events.emit('ready')
       for (const mod of _.values(loadedModules)) {
         mod.handlers.ready && mod.handlers.ready(this, mod.configuration, createHelpers)

packages/core/botpress/src/cli/index.js

@@ -43,6 +43,7 @@ program
     collectArgs,
     []
   )
+  .option('-i, --inspect', 'Inspect bot with "debugger"')
   .action(start)
 
 program

packages/core/botpress/src/cli/start.js

@@ -91,7 +91,7 @@ module.exports = (projectPath, options) => {
       setTimeout(() => process.exit(), 100)
     })
   } else {
-    const bot = new Botpress({ botfile })
+    const bot = new Botpress({ botfile, options })
     bot.start()
   }
 }