logs

src/client/index.tsx

@@ -305,10 +305,19 @@ const AppDetail = ({ app }: { app: App }) => (
       <Section>
         <SectionTitle>Logs</SectionTitle>
         <LogsContainer>
+          {app.logs?.length ? (
+            app.logs.map((line, i) => (
+              <LogLine key={i}>
+                <LogTime>{new Date(line.time).toLocaleTimeString()}</LogTime>
+                <span>{line.text}</span>
+              </LogLine>
+            ))
+          ) : (
             <LogLine>
               <LogTime>--:--:--</LogTime>
               <span style={{ color: '#666' }}>No logs yet</span>
             </LogLine>
+          )}
         </LogsContainer>
       </Section>
 

src/server/apps.ts

@@ -1,11 +1,12 @@
 import type { Subprocess } from 'bun'
 import { existsSync, readdirSync, readFileSync, watch } from 'fs'
 import { join } from 'path'
-import type { App as SharedApp, AppState } from '../shared/types'
+import type { App as SharedApp, AppState, LogLine } from '../shared/types'
 
 export type { AppState } from '../shared/types'
 
 const APPS_DIR = join(process.env.DATA_DIR ?? '.', 'apps')
+const MAX_LOGS = 100
 
 export type App = SharedApp & {
   proc?: Subprocess
@@ -96,6 +97,7 @@ const runApp = async (dir: string, port: number) => {
   // Set state to starting
   app.state = 'starting'
   app.port = port
+  app.logs = []
   update()
 
   const cwd = join(APPS_DIR, dir)
@@ -130,6 +132,9 @@ const runApp = async (dir: string, port: number) => {
       const text = decoder.decode(value).trimEnd()
       if (text) {
         log(dir, text)
+        const line: LogLine = { time: Date.now(), text }
+        app.logs = [...(app.logs ?? []).slice(-(MAX_LOGS - 1)), line]
+        update()
       }
     }
   }

src/server/index.tsx

@@ -15,11 +15,12 @@ app.get('/api/apps/stream', c => {
     start(controller) {
       const send = () => {
         // Strip proc field from apps before sending
-        const apps: SharedApp[] = allApps().map(({ name, state, port, started }) => ({
+        const apps: SharedApp[] = allApps().map(({ name, state, port, started, logs }) => ({
           name,
           state,
           port,
           started,
+          logs,
         }))
         const data = JSON.stringify(apps)
         controller.enqueue(encoder.encode(`data: ${data}\n\n`))

src/shared/types.ts

@@ -1,8 +1,14 @@
 export type AppState = 'invalid' | 'stopped' | 'starting' | 'running' | 'stopping'
 
+export type LogLine = {
+  time: number
+  text: string
+}
+
 export type App = {
   name: string
   state: AppState
   port?: number
   started?: number
+  logs?: LogLine[]
 }