hermesx/lib/hermes-runner.js

Run TypeScript files with Hermes JS engine

import { spawn } from "child_process";
import { HermesXError } from "./hermes-binary.js";
export class HermesRunner {
    async executeBundle(hermesBinaryPath, bundlePath, scriptArgs = []) {
        console.log(`Executing with Hermes...`);
        return new Promise((resolve, reject) => {
            const hermesProcess = spawn(hermesBinaryPath, [bundlePath], {
                stdio: "inherit", // Pass through stdin, stdout, stderr
                env: process.env,
            });
            hermesProcess.on("close", (code) => {
                if (code === 0) {
                    resolve();
                }
                else {
                    reject(new HermesXError(`Hermes execution failed with exit code ${code}`, "EXECUTION_FAILED"));
                }
            });
            hermesProcess.on("error", (error) => {
                reject(new HermesXError(`Failed to start Hermes process: ${error.message}`, "PROCESS_START_FAILED"));
            });
            // Handle process termination signals
            process.on("SIGINT", () => {
                hermesProcess.kill("SIGINT");
            });
            process.on("SIGTERM", () => {
                hermesProcess.kill("SIGTERM");
            });
        });
    }
    async cleanup(bundlePath) {
        try {
            const fs = await import("fs/promises");
            await fs.unlink(bundlePath);
        }
        catch (error) {
            // Ignore cleanup errors - they're not critical
            console.warn(`Warning: Could not clean up temporary file: ${bundlePath}`);
        }
    }
}