openai-code/src/env.mjs

An unofficial proxy layer that lets you use Anthropic Claude Code with any OpenAI API backend.

import { readFileSync } from 'node:fs';

// right, we don't use dotenv ;)
export const loadDotEnv = (filePath = '.env') => {
  try {
    const envVariables = {};
    const envContent = filePath ? readFileSync(filePath, 'utf-8') : '';

    for (const line of envContent.split('\n')) {
      // trim spaces and ignore comments
      const trimmedLine = line.trim();
      if (trimmedLine && !trimmedLine.startsWith('#')) {
        const [key, value] = trimmedLine.split('=');
        if (key && value !== undefined) {
          // remove quotes from value if present
          envVariables[key.trim()] = value.trim().replace(/^\"|\"$/g, '');
        }
      }
    }

    for (const [key, value] of Object.entries(envVariables)) {
      if (!process.env[key]) {
        process.env[key] = value;
      }
    }
    return envVariables;
  } catch (error) {
    return {};
  }
};

const secrets = loadDotEnv();

/**
 * Retrieves an environment variable, agnostic to the ESM or CJS runtime environment.
 * In CI mode (CI=true) returns the CI_${name} invariant.
 * Also logs the env variable name and the first three characters of its value (if available).
 */
export const getEnv = (name) => {
  const value = secrets[name] || process.env[name] || import.meta?.env?.[name];
  console.log('[ENV] Name:', name, 'Value:', !value ? value : `"${String(value).slice(-3) || "(empty)"}" (last 3 characters)`);
  return value;
};

export const setEnv = (name, value) => {
  secrets[name] = value;
};