apollo-codegen/lib/downloadSchema.js

Generate API code or type annotations based on a GraphQL schema and query documents

'use strict';

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

var _nodeFetch = require('node-fetch');

var _nodeFetch2 = _interopRequireDefault(_nodeFetch);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _https = require('https');

var _https2 = _interopRequireDefault(_https);

var _utilities = require('graphql/utilities');

var _errors = require('./errors');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } // Based on https://facebook.github.io/relay/docs/guides-babel-plugin.html#using-other-graphql-implementations

var defaultHeaders = {
  'Accept': 'application/json',
  'Content-Type': 'application/json'
};

exports.default = function () {
  var _ref = _asyncToGenerator(regeneratorRuntime.mark(function _callee(url, outputPath, additionalHeaders, insecure) {
    var headers, agent, result, response, schemaData;
    return regeneratorRuntime.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            headers = Object.assign(defaultHeaders, additionalHeaders);
            agent = insecure ? new _https2.default.Agent({ rejectUnauthorized: false }) : null;
            result = void 0;
            _context.prev = 3;
            _context.next = 6;
            return (0, _nodeFetch2.default)(url, {
              method: 'POST',
              headers: headers,
              body: JSON.stringify({ 'query': _utilities.introspectionQuery }),
              agent
            });

          case 6:
            response = _context.sent;
            _context.next = 9;
            return response.json();

          case 9:
            result = _context.sent;
            _context.next = 15;
            break;

          case 12:
            _context.prev = 12;
            _context.t0 = _context['catch'](3);
            throw new _errors.ToolError(`Error while fetching introspection query result: ${_context.t0.message}`);

          case 15:
            if (!result.errors) {
              _context.next = 17;
              break;
            }

            throw new _errors.ToolError(`Errors in introspection query result: ${result.errors}`);

          case 17:
            schemaData = result;

            if (schemaData.data) {
              _context.next = 20;
              break;
            }

            throw new _errors.ToolError(`No introspection query result data found, server responded with: ${JSON.stringify(result)}`);

          case 20:

            _fs2.default.writeFileSync(outputPath, JSON.stringify(schemaData, null, 2));

          case 21:
          case 'end':
            return _context.stop();
        }
      }
    }, _callee, this, [[3, 12]]);
  }));

  function downloadSchema(_x, _x2, _x3, _x4) {
    return _ref.apply(this, arguments);
  }

  return downloadSchema;
}();
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