feat(cli): better exception handler

packages/koishi-cli/src/run.ts

@@ -15,25 +15,9 @@ function createWorker (options: WorkerOptions) {
   const child = fork(resolve(__dirname, 'worker'), [], {
     execArgv: options['--'],
   })
-  let started = false
-
-  child.on('message', (data: any) => {
-    if (data.type === 'start') {
-      started = true
-    }
-  })
 
   child.on('exit', (code) => {
-    if (!started) process.exit(1)
-    if (!code) {
-      logger.info('bot was stopped manually.')
-      process.exit(0)
-    }
-    if (code === 1) {
-      logger.info('bot was restarted manually.')
-    } else {
-      logger.warn('an error was encounted. restarting...')
-    }
+    if (code >= 0) process.exit(code)
     createWorker(options)
   })
 }

packages/koishi-cli/src/worker.ts

@@ -4,7 +4,7 @@ import { capitalize } from 'koishi-utils'
 import { performance } from 'perf_hooks'
 import { cyan } from 'kleur'
 import { logger } from './utils'
-import { format } from 'util'
+import { format, types } from 'util'
 import { readFileSync } from 'fs'
 import { safeLoad } from 'js-yaml'
 import { yellow } from 'kleur'
@@ -16,10 +16,13 @@ if (process.env.KOISHI_LOG_LEVEL !== undefined) {
   baseLogLevel = +process.env.KOISHI_LOG_LEVEL
 }
 
-process.on('uncaughtException', ({ message }) => {
+function handleException (error: any) {
+  const message = types.isNativeError(error) ? error.stack : String(error)
   logger.error(message, baseLogLevel)
-  process.exit(-1)
-})
+  process.exit(1)
+}
+
+process.on('uncaughtException', handleException)
 
 const cwd = process.cwd()
 
@@ -144,7 +147,4 @@ appList.forEach((app) => {
   })
 })
 
-startAll().catch((error) => {
-  logger.error(error, baseLogLevel)
-  process.exit(-1)
-})
+startAll().catch(handleException)