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Python template: Adds error message when env var missing #1272

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Merged
ricardo-agz merged 1 commit into from
Oct 22, 2025
Merged

Python template: Adds error message when env var missing #1272

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2 changes: 1 addition & 1 deletion python/vibe-coding-ide/README.md
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Expand Up @@ -31,4 +31,4 @@ npm i
npm run dev
```

Open [http://localhost:3000](http://localhost:3000) with your browser to see the backend.
Open [http://localhost:3000](http://localhost:3000) with your browser to see the frontend.
18 changes: 18 additions & 0 deletions python/vibe-coding-ide/frontend/src/hooks/useChat.tsx
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Expand Up @@ -5,6 +5,8 @@ import { API_BASE } from '../constants'
import { useProjects } from '../context/ProjectsContext'
import { computeProjectHashes } from '../lib/hash'

declare const process: { env: Record<string, string | undefined> }

interface UseChatProps {
userId: string
input: string
Expand Down Expand Up @@ -44,6 +46,22 @@ export const useChat = ({
useProjects()
const sendPrompt = useCallback(async () => {
if (!input.trim()) return
// In production, require NEXT_PUBLIC_API_URL to be set; otherwise show a user-facing error
const isProd = (process.env.NODE_ENV || '').trim() === 'production'
const hasApiUrl = Boolean((process.env.NEXT_PUBLIC_API_URL || '').trim())
if (isProd && !hasApiUrl) {
const errorRunId = `config_error_${Date.now()}`
createRun(errorRunId, input, projectId, threadId)
addAction(errorRunId, {
id: `notice_${Date.now()}`,
kind: 'system_notice',
status: 'done',
message:
'Missing environment variable: NEXT_PUBLIC_API_URL is not set. Set it to your backend URL and reload.',
timestamp: new Date().toISOString(),
} as Action)
return
}
setLoading(true)
setInput('')

Expand Down