index.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var endpoint = require('@octokit/endpoint');
var universalUserAgent = require('universal-user-agent');
var isPlainObject = require('is-plain-object');
var nodeFetch = _interopDefault(require('node-fetch'));
var requestError = require('@octokit/request-error');

const VERSION = "5.4.9";

function getBufferResponse(response) {
  return response.arrayBuffer();
}

function fetchWrapper(requestOptions) {
  if (isPlainObject.isPlainObject(requestOptions.body) || Array.isArray(requestOptions.body)) {
    requestOptions.body = JSON.stringify(requestOptions.body);
  }

  let headers = {};
  let status;
  let url;
  const fetch = requestOptions.request && requestOptions.request.fetch || nodeFetch;
  return fetch(requestOptions.url, Object.assign({
    method: requestOptions.method,
    body: requestOptions.body,
    headers: requestOptions.headers,
    redirect: requestOptions.redirect
  }, requestOptions.request)).then(response => {
    url = response.url;
    status = response.status;

    for (const keyAndValue of response.headers) {
      headers[keyAndValue[0]] = keyAndValue[1];
    }

    if (status === 204 || status === 205) {
      return;
    } // GitHub API returns 200 for HEAD requests


    if (requestOptions.method === "HEAD") {
      if (status < 400) {
        return;
      }

      throw new requestError.RequestError(response.statusText, status, {
        headers,
        request: requestOptions
      });
    }

    if (status === 304) {
      throw new requestError.RequestError("Not modified", status, {
        headers,
        request: requestOptions
      });
    }

    if (status >= 400) {
      return response.text().then(message => {
        const error = new requestError.RequestError(message, status, {
          headers,
          request: requestOptions
        });

        try {
          let responseBody = JSON.parse(error.message);
          Object.assign(error, responseBody);
          let errors = responseBody.errors; // Assumption `errors` would always be in Array format

          error.message = error.message + ": " + errors.map(JSON.stringify).join(", ");
        } catch (e) {// ignore, see octokit/rest.js#684
        }

        throw error;
      });
    }

    const contentType = response.headers.get("content-type");

    if (/application\/json/.test(contentType)) {
      return response.json();
    }

    if (!contentType || /^text\/|charset=utf-8$/.test(contentType)) {
      return response.text();
    }

    return getBufferResponse(response);
  }).then(data => {
    return {
      status,
      url,
      headers,
      data
    };
  }).catch(error => {
    if (error instanceof requestError.RequestError) {
      throw error;
    }

    throw new requestError.RequestError(error.message, 500, {
      headers,
      request: requestOptions
    });
  });
}

function withDefaults(oldEndpoint, newDefaults) {
  const endpoint = oldEndpoint.defaults(newDefaults);

  const newApi = function (route, parameters) {
    const endpointOptions = endpoint.merge(route, parameters);

    if (!endpointOptions.request || !endpointOptions.request.hook) {
      return fetchWrapper(endpoint.parse(endpointOptions));
    }

    const request = (route, parameters) => {
      return fetchWrapper(endpoint.parse(endpoint.merge(route, parameters)));
    };

    Object.assign(request, {
      endpoint,
      defaults: withDefaults.bind(null, endpoint)
    });
    return endpointOptions.request.hook(request, endpointOptions);
  };

  return Object.assign(newApi, {
    endpoint,
    defaults: withDefaults.bind(null, endpoint)
  });
}

const request = withDefaults(endpoint.endpoint, {
  headers: {
    "user-agent": `octokit-request.js/${VERSION} ${universalUserAgent.getUserAgent()}`
  }
});

exports.request = request;
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