export default function createClientFromEnv()

in ts/src/util/client-from-env.ts [11:53]

• 40 lines of code
• 4 McCabe index (conditional complexity)

export default function createClientFromEnv(): DFClient {
  const env = load({
    GCP_PROJECT: String,
    DF_ENDPOINT: {type: String, optional: true},
    AGENT_TYPE: ['CX' as const, 'ES' as const],
    AGENT_LOCATION: String,
    AGENT_ID: {type: String, optional: true},
    SESSION_TTL: {type: String, optional: true},
    LANGUAGE_CODE: String,
  });

  switch (env.AGENT_TYPE) {
    case 'CX': {
      assert.ok(
        env.AGENT_ID,
        'Dialogflow CX Agent requires AGENT_ID to be specified'
      );

      const ttlSeconds = env.SESSION_TTL
        ? parseDuration(env.SESSION_TTL, 'sec')
        : undefined;

      const client = new CXClientWrapper(
        env.GCP_PROJECT,
        env.AGENT_LOCATION,
        env.AGENT_ID,
        env.LANGUAGE_CODE,
        env.DF_ENDPOINT,
        ttlSeconds
      );
      return {client, type: env.AGENT_TYPE};
    }
    case 'ES': {
      const client = new ESClientWrapper(
        env.GCP_PROJECT,
        env.AGENT_LOCATION,
        env.LANGUAGE_CODE,
        env.DF_ENDPOINT
      );
      return {client, type: env.AGENT_TYPE};
    }
  }
}