@gam-test/fetch-wrapper/mjs/HttpClient.js

A simple fetch wrapper for better error handling and less response context

import { UnexpectedResponseException } from "./exceptions/UnexpectedResponseException.js";
class HttpClient {
  url;
  constructor({ url }) {
    this.url = url;
  }
  async request(config) {
    const response = await this.connect(config);
    if (!("bodyParser" in config)) {
      return {
        status: response.status,
        headers: response.headers
      };
    }
    if (!config.bodyParser) {
      return {
        status: response.status,
        headers: response.headers
      };
    }
    try {
      const body = await config.bodyParser(response);
      return {
        status: response.status,
        headers: response.headers,
        body
      };
    } catch (error) {
      if (!(error instanceof Error)) {
        throw error;
      }
      const content = await response.text().catch(async () => {
        if (!response.body) {
          return "No response body.";
        }
        const bodyReader = response.body.getReader();
        const rawBody = await bodyReader.read().catch(() => {
        });
        if (!rawBody) {
          return "Error getting response content";
        }
        const decoder = new TextDecoder();
        return decoder.decode(rawBody.value);
      });
      throw new UnexpectedResponseException({
        url: this.url,
        content: content ?? "Error getting response content",
        cause: error
      });
    }
  }
}
export {
  HttpClient
};
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