tvapp2/server/dist/config.js

import { readFileSync, existsSync } from 'node:fs';
import { resolve } from 'node:path';
const VALID_SCHEMES = /^mongodb(\+srv)?:\/\//;
function resolveConfigPath() {
    const envPath = process.env.TVAPP2_CONFIG;
    if (envPath) {
        if (!existsSync(envPath)) {
            throw new Error(`TVAPP2_CONFIG points to "${envPath}" but the file does not exist.`);
        }
        return envPath;
    }
    const localPath = resolve(process.cwd(), 'config.local.json');
    if (existsSync(localPath))
        return localPath;
    throw new Error('No config file found. Set TVAPP2_CONFIG to the mounted config path, ' +
        'or create ./config.local.json for development.');
}
export function loadConfig() {
    const path = resolveConfigPath();
    const raw = readFileSync(path, 'utf8');
    let parsed;
    try {
        parsed = JSON.parse(raw);
    }
    catch (err) {
        throw new Error(`Config file at "${path}" is not valid JSON: ${err.message}`);
    }
    if (!parsed || typeof parsed !== 'object') {
        throw new Error(`Config file at "${path}" must be a JSON object.`);
    }
    const obj = parsed;
    const mongoUri = obj.mongoUri;
    if (typeof mongoUri !== 'string' || !VALID_SCHEMES.test(mongoUri)) {
        throw new Error(`Config "mongoUri" must be a string starting with mongodb:// or mongodb+srv:// (got ${JSON.stringify(mongoUri)}).`);
    }
    const port = typeof obj.port === 'number' ? obj.port : 3000;
    const logLevel = typeof obj.logLevel === 'string' ? obj.logLevel : 'info';
    return { mongoUri, port, logLevel };
}
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