import { rm, writeFile } from "node:fs/promises";
import { tmpdir } from "node:os";
import path from "node:path";
import { execa } from "execa";
import type { ToolConfig } from "./config.js";
export async function executeCommand(
config: ToolConfig,
inputs: Record<string, unknown>,
): Promise<string> {
// Write to temporary file
const tmpFile = path.join(
tmpdir(),
`script-${Date.now()}-${Math.random().toString(36).slice(2)}`,
);
await writeFile(tmpFile, config.run, { mode: 0o700 });
try {
// Prepare environment variables (with INPUTS__ prefix)
const env: Record<string, string> = {};
for (const [key, value] of Object.entries(inputs)) {
// Convert key name to uppercase (hyphens to underscores)
const envKey = `INPUTS__${key.toUpperCase().replace(/-/g, "_")}`;
env[envKey] = String(value);
}
// Also provide inputs as JSON to preserve type information
env["INPUTS_JSON"] = JSON.stringify(inputs);
// Replace all {0} placeholders with the script file path
const command = config.shell.replaceAll("{0}", tmpFile);
// Execute with execa
const result = await execa(command, {
env: { ...process.env, ...env },
shell: true,
timeout: config.timeout,
maxBuffer: 10 * 1024 * 1024,
});
return result.stdout;
} finally {
// Delete temporary file
await rm(tmpFile, { force: true });
}
}
