File size: 4,248 Bytes
391c43e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | import { vfs } from '@/lib/vfs';
import { logger } from '@/lib/utils';
import { beginCompilation, pushCompileError, commitCompilation } from '@/lib/preview/compile-errors';
import type { ScriptRuntime, ScriptWorkerResponse } from './types';
type OutputListener = (msg: ScriptWorkerResponse) => void;
const EXECUTION_TIMEOUT_MS = 60_000;
class ScriptRunner {
private worker: Worker | null = null;
private running = false;
private listeners = new Set<OutputListener>();
private timeoutId: ReturnType<typeof setTimeout> | null = null;
/**
* Execute a script project.
* Gathers text files from VFS and sends them to the worker.
* If already running, aborts the previous execution first.
*/
async execute(projectId: string, runtime: ScriptRuntime, entryPoint: string): Promise<void> {
// Abort any running execution
if (this.running) {
this.abort();
}
// Ensure worker is created
if (!this.worker) {
try {
this.worker = new Worker('/workers/script-worker.js');
} catch (err) {
this.emit({ type: 'error', data: 'Failed to create worker: ' + String(err) });
return;
}
this.worker.onmessage = (event: MessageEvent<ScriptWorkerResponse>) => {
this.handleWorkerMessage(event.data);
};
this.worker.onerror = (event) => {
this.emit({ type: 'error', data: 'Worker error: ' + (event.message || 'Unknown error') });
this.running = false;
this.clearTimeout();
};
}
// Gather VFS files
await vfs.init();
const allFiles = await vfs.listFiles(projectId);
const files: Record<string, string> = {};
for (const file of allFiles) {
if (typeof file.content === 'string') {
files[file.path] = file.content;
}
}
// Begin error tracking
beginCompilation();
this.running = true;
this.emit({ type: 'status', data: `Running ${runtime === 'python' ? 'Python' : 'Lua'} script...` });
// Set execution timeout
this.timeoutId = setTimeout(() => {
if (this.running) {
this.emit({ type: 'error', data: `Script execution timed out after ${EXECUTION_TIMEOUT_MS / 1000} seconds` });
pushCompileError(entryPoint, `Execution timed out after ${EXECUTION_TIMEOUT_MS / 1000}s — possible infinite loop`);
commitCompilation();
// Emit complete so tool-registry listeners resolve instead of hanging
this.emit({ type: 'complete', exitCode: 1 });
this.abort();
}
}, EXECUTION_TIMEOUT_MS);
// Send execution request
const payload = { runtime, entryPoint, files };
this.worker.postMessage({ type: 'execute', payload });
}
/**
* Abort the current execution by terminating the worker.
*/
abort(): void {
this.clearTimeout();
if (this.worker) {
this.worker.terminate();
this.worker = null;
}
this.running = false;
}
/**
* Subscribe to output messages from the worker.
* Returns an unsubscribe function.
*/
onOutput(listener: OutputListener): () => void {
this.listeners.add(listener);
return () => {
this.listeners.delete(listener);
};
}
isRunning(): boolean {
return this.running;
}
/**
* Clean up worker and all listeners.
*/
dispose(): void {
this.abort();
this.listeners.clear();
}
private handleWorkerMessage(msg: ScriptWorkerResponse): void {
if (msg.type === 'complete') {
this.running = false;
this.clearTimeout();
commitCompilation();
}
if (msg.type === 'error' || msg.type === 'stderr') {
// Push to compile error pipeline so the orchestrator picks it up
const errorData = msg.data;
if (errorData && errorData.trim()) {
pushCompileError('script', errorData);
}
}
this.emit(msg);
}
private emit(msg: ScriptWorkerResponse): void {
for (const listener of this.listeners) {
try {
listener(msg);
} catch (err) {
logger.error('Script output listener error:', err);
}
}
}
private clearTimeout(): void {
if (this.timeoutId) {
clearTimeout(this.timeoutId);
this.timeoutId = null;
}
}
}
export const scriptRunner = new ScriptRunner();
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