Function loadEnvConfig

packages/config/src/loader.ts:84–106

* 从 CHATLAB_* 环境变量加载配置 * * 映射规则： * - CHATLAB_DATA_DIR -> data.user_data_dir * - CHATLAB_API_PORT -> api.port * - CHATLAB_API_HOST -> api.host * - CHATLAB_LLM_PROVIDER -> llm.provider * - CHATLAB_LLM_MODEL -> llm.model * - CHATLAB_LLM_BASE_URL -> llm.base_url * - C

()

 * - CHATLAB_LOCALE_LANG    -> locale.lang
 */
function loadEnvConfig(): Record<string, unknown> {
  const result: Record<string, Record<string, unknown>> = {}

  const envMap: Array<{ env: string; section: string; key: string; transform?: (v: string) => unknown }> = [
    { env: 'CHATLAB_DATA_DIR', section: 'data', key: 'user_data_dir' },
    { env: 'CHATLAB_API_PORT', section: 'api', key: 'port', transform: (v) => parseInt(v, 10) },
    { env: 'CHATLAB_API_HOST', section: 'api', key: 'host' },
    { env: 'CHATLAB_LLM_PROVIDER', section: 'llm', key: 'provider' },
    { env: 'CHATLAB_LLM_MODEL', section: 'llm', key: 'model' },
    { env: 'CHATLAB_LLM_BASE_URL', section: 'llm', key: 'base_url' },
    { env: 'CHATLAB_LOCALE_LANG', section: 'locale', key: 'lang' },
  ]

  for (const { env, section, key, transform } of envMap) {
    const value = process.env[env]
    if (value !== undefined && value !== '') {
      if (!result[section]) result[section] = {}
      result[section][key] = transform ? transform(value) : value
    }
  }

  return result
}

/**
 * 写入 config.toml 的某个字段