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 = "5.6.3";

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

function fetchWrapper(requestOptions) {
  const log = requestOptions.request && requestOptions.request.log ? requestOptions.request.log : console;

  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.agent` type is incompatible
  // see https://github.com/octokit/types.ts/pull/264
  requestOptions.request)).then(async response => {
    url = response.url;
    status = response.status;

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

    if ("deprecation" in headers) {
      const matches = headers.link && headers.link.match(/<([^>]+)>; rel="deprecation"/);
      const deprecationLink = matches && matches.pop();
      log.warn(`[@octokit/request] "${requestOptions.method} ${requestOptions.url}" is deprecated. It is scheduled to be removed on ${headers.sunset}${deprecationLink ? `. See ${deprecationLink}` : ""}`);
    }

    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, {
        response: {
          url,
          status,
          headers,
          data: undefined
        },
        request: requestOptions
      });
    }

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

    if (status >= 400) {
      const data = await getResponseData(response);
      const error = new requestError.RequestError(toErrorMessage(data), status, {
        response: {
          url,
          status,
          headers,
          data
        },
        request: requestOptions
      });
      throw error;
    }

    return getResponseData(response);
  }).then(data => {
    return {
      status,
      url,
      headers,
      data
    };
  }).catch(error => {
    if (error instanceof requestError.RequestError) throw error;
    throw new requestError.RequestError(error.message, 500, {
      request: requestOptions
    });
  });
}

async function getResponseData(response) {
  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);
}

function toErrorMessage(data) {
  if (typeof data === "string") return data; // istanbul ignore else - just in case

  if ("message" in data) {
    if (Array.isArray(data.errors)) {
      return `${data.message}: ${data.errors.map(JSON.stringify).join(", ")}`;
    }

    return data.message;
  } // istanbul ignore next - just in case


  return `Unknown error: ${JSON.stringify(data)}`;
}

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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