'use strict';

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

var request = require('@octokit/request');
var universalUserAgent = require('universal-user-agent');

const VERSION = "4.6.2";

class GraphqlError extends Error {
  constructor(request, response) {
    const message = response.data.errors[0].message;
    super(message);
    Object.assign(this, response.data);
    Object.assign(this, {
      headers: response.headers
    });
    this.name = "GraphqlError";
    this.request = request; // Maintains proper stack trace (only available on V8)

    /* istanbul ignore next */

    if (Error.captureStackTrace) {
      Error.captureStackTrace(this, this.constructor);
    }
  }

}

const NON_VARIABLE_OPTIONS = ["method", "baseUrl", "url", "headers", "request", "query", "mediaType"];
const FORBIDDEN_VARIABLE_OPTIONS = ["query", "method", "url"];
const GHES_V3_SUFFIX_REGEX = /\/api\/v3\/?$/;
function graphql(request, query, options) {
  if (options) {
    if (typeof query === "string" && "query" in options) {
      return Promise.reject(new Error(`[@octokit/graphql] "query" cannot be used as variable name`));
    }

    for (const key in options) {
      if (!FORBIDDEN_VARIABLE_OPTIONS.includes(key)) continue;
      return Promise.reject(new Error(`[@octokit/graphql] "${key}" cannot be used as variable name`));
    }
  }

  const parsedOptions = typeof query === "string" ? Object.assign({
    query
  }, options) : query;
  const requestOptions = Object.keys(parsedOptions).reduce((result, key) => {
    if (NON_VARIABLE_OPTIONS.includes(key)) {
      result[key] = parsedOptions[key];
      return result;
    }

    if (!result.variables) {
      result.variables = {};
    }

    result.variables[key] = parsedOptions[key];
    return result;
  }, {}); // workaround for GitHub Enterprise baseUrl set with /api/v3 suffix
  // https://github.com/octokit/auth-app.js/issues/111#issuecomment-657610451

  const baseUrl = parsedOptions.baseUrl || request.endpoint.DEFAULTS.baseUrl;

  if (GHES_V3_SUFFIX_REGEX.test(baseUrl)) {
    requestOptions.url = baseUrl.replace(GHES_V3_SUFFIX_REGEX, "/api/graphql");
  }

  return request(requestOptions).then(response => {
    if (response.data.errors) {
      const headers = {};

      for (const key of Object.keys(response.headers)) {
        headers[key] = response.headers[key];
      }

      throw new GraphqlError(requestOptions, {
        headers,
        data: response.data
      });
    }

    return response.data.data;
  });
}

function withDefaults(request$1, newDefaults) {
  const newRequest = request$1.defaults(newDefaults);

  const newApi = (query, options) => {
    return graphql(newRequest, query, options);
  };

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

const graphql$1 = withDefaults(request.request, {
  headers: {
    "user-agent": `octokit-graphql.js/${VERSION} ${universalUserAgent.getUserAgent()}`
  },
  method: "POST",
  url: "/graphql"
});
function withCustomRequest(customRequest) {
  return withDefaults(customRequest, {
    method: "POST",
    url: "/graphql"
  });
}

exports.graphql = graphql$1;
exports.withCustomRequest = withCustomRequest;
//# sourceMappingURL=index.js.map