graphql-mocks/es/wrapper/latency.js

Tools for setting up graphql test resolvers

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

import 'graphql';
import { WrapperFor } from '../resolver/constants.js';
import { createWrapper } from '../resolver/create-wrapper.js';

function getRandomInt(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.round(Math.random() * (max - min) + min);
}

function wait(_x) {
  return _wait.apply(this, arguments);
}

function _wait() {
  _wait = _asyncToGenerator(function* (ms) {
    return new Promise(resolve => {
      setTimeout(resolve, ms);
    });
  });
  return _wait.apply(this, arguments);
}

function latencyWrapper() {
  var latency = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  var finalLatency = Array.isArray(latency) ? getRandomInt(latency[0], latency[1]) : latency;
  return createWrapper('latency-wrapper', WrapperFor.ANY, function (originalResolver, _options) {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    return /*#__PURE__*/_asyncToGenerator(function* () {
      yield wait(finalLatency);
      return originalResolver(...arguments);
    });
  });
}

export { latencyWrapper };
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