/**
* Minimal .env loader — no dependencies.
*
* Reads a .env file and sets process.env values.
* Only sets values that aren't already defined (env vars
* passed at runtime take priority over .env file).
*/
import { readFileSync } from "node:fs";
import { resolve, dirname } from "node:path";
import { fileURLToPath } from "node:url";
export function loadEnv(): void {
// Walk up from dist/ to project root
const __dirname = dirname(fileURLToPath(import.meta.url));
const envPath = resolve(__dirname, "..", "..", ".env");
let content: string;
try {
content = readFileSync(envPath, "utf-8");
} catch {
return; // No .env file, that's fine
}
for (const line of content.split("\n")) {
const trimmed = line.trim();
if (!trimmed || trimmed.startsWith("#")) continue;
const eqIndex = trimmed.indexOf("=");
if (eqIndex === -1) continue;
const key = trimmed.substring(0, eqIndex).trim();
const value = trimmed.substring(eqIndex + 1).trim();
// Don't override existing env vars
if (process.env[key] === undefined) {
process.env[key] = value;
}
}
}
