Config autoreload

README.md

@@ -2,11 +2,13 @@
 
 ## TODO (road to opensource)
 
-- [ ] cli
-- [ ] config file
-- [ ] socket path review
+- [x] cli
+- [x] config file + reload
+- [x] socket path review
 - [ ] git rebase
 - [ ] rake tasks
 - [ ] dependency graph and layers
 - [ ] minio and aws
 - [ ] global cache commiter + git
+- [ ] initial generate
+- [ ] lock file

shadowdog.json

@@ -1,7 +1,7 @@
 {
   "$schema": "./src/config/schema.json",
   "cache": {
-    "enabled": false
+    "enabled": true
   },
   "watchers": [
     {

src/daemon.ts

@@ -12,11 +12,10 @@ import { notifyState } from './notifications'
 import { runTask } from './tasks'
 import { logMessage } from './utils'
 import chalk from 'chalk'
+import { Client } from 'minio'
 
-const watchFiles = (config: ConfigFile, socketPath: string) => {
-  const client = config.cache.enabled ? createClient() : null
-
-  return Promise.all(
+const setupWatchers = (config: ConfigFile, socketPath: string, client: Client | null) => {
+  return Promise.all<chokidar.FSWatcher>(
     config.watchers
       .filter(({ files, enabled = true }) => {
         if (!enabled) {
@@ -182,7 +181,7 @@ const watchFiles = (config: ConfigFile, socketPath: string) => {
               )} folders.`,
             )
 
-            resolve(null)
+            resolve(watcher)
           }
 
           watcher.on('change', debounce(onFileChange, config.debounceTime))
@@ -193,6 +192,38 @@ const watchFiles = (config: ConfigFile, socketPath: string) => {
   )
 }
 
+const watchFiles = async (configFilePath: string, socketPath: string) => {
+  let currentWatchers: chokidar.FSWatcher[] = []
+  let currentConfig = loadConfig(configFilePath)
+
+  fs.mkdirpSync(currentConfig.cache.path)
+
+  const client = currentConfig.cache.enabled ? createClient() : null
+
+  const configWatcher = chokidar.watch(configFilePath, {
+    ignoreInitial: true,
+  })
+
+  configWatcher.on(
+    'change',
+    debounce(async () => {
+      logMessage(`🔃 Configuration file has been changed. Restarting Shadowdog...`)
+      try {
+        currentConfig = loadConfig(configFilePath)
+        await Promise.all(currentWatchers.map((watcher) => watcher.close()))
+        currentWatchers = await setupWatchers(currentConfig, socketPath, client)
+        logMessage(`🐕 Shadowdog has been restarted successfully.`)
+      } catch (error) {
+        logMessage(`🚨 Error while restarting Shadowdog: ${(error as Error).message}`)
+      }
+    }, currentConfig.debounceTime),
+  )
+
+  currentWatchers = await setupWatchers(currentConfig, socketPath, client)
+
+  return currentWatchers
+}
+
 export const runDaemon = async (configFilePath: string, socketPath: string) => {
   logMessage(
     `
@@ -206,11 +237,7 @@ export const runDaemon = async (configFilePath: string, socketPath: string) => {
     false,
   )
 
-  const config = loadConfig(configFilePath)
-
-  fs.mkdirpSync(config.cache.path)
-
-  await watchFiles(config, socketPath)
+  await watchFiles(configFilePath, socketPath)
 
   logMessage('🚀 Shadowdog is ready to watch your files!')