12 files changed, 943 insertions, 0 deletions
diff --git a/node_modules/jest-util/.npmignore b/node_modules/jest-util/.npmignore
new file mode 100644
index 000000000..85e48fe7b
--- /dev/null
+++ b/node_modules/jest-util/.npmignore
@@ -0,0 +1,3 @@
+**/__mocks__/**
+**/__tests__/**
+src
diff --git a/node_modules/jest-util/build/Console.js b/node_modules/jest-util/build/Console.js
new file mode 100644
index 000000000..3d1fe9120
--- /dev/null
+++ b/node_modules/jest-util/build/Console.js
@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+/* global stream$Writable */
+'use strict';
+
+
+
+const Console = require('console').Console;
+
+const clearLine = require('./clearLine');
+const format = require('util').format;
+
+
+
+class CustomConsole extends Console {
+
+
+
+
+  constructor(
+  stdout,
+  stderr,
+  formatBuffer)
+  {
+    super(stdout, stderr);
+    this._formatBuffer = formatBuffer || ((type, message) => message);
+  }
+
+  _log(type, message) {
+    clearLine(this._stdout);
+    super.log(this._formatBuffer(type, message));
+  }
+
+  log() {
+    this._log('log', format.apply(null, arguments));
+  }
+
+  info() {
+    this._log('info', format.apply(null, arguments));
+  }
+
+  warn() {
+    this._log('warn', format.apply(null, arguments));
+  }
+
+  error() {
+    this._log('error', format.apply(null, arguments));
+  }
+
+  getBuffer() {
+    return null;
+  }}
+
+
+module.exports = CustomConsole;
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/FakeTimers.js b/node_modules/jest-util/build/FakeTimers.js
new file mode 100644
index 000000000..601d320f2
--- /dev/null
+++ b/node_modules/jest-util/build/FakeTimers.js
@@ -0,0 +1,505 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+'use strict';var _require =
+
+
+
+
+
+require('jest-message-util');const formatStackTrace = _require.formatStackTrace;
+const setGlobal = require('./setGlobal');
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const MS_IN_A_YEAR = 31536000000;
+
+class FakeTimers {
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  constructor(
+  global,
+  moduleMocker,
+  config,
+  maxLoops)
+  {
+
+    this._global = global;
+    this._config = config;
+    this._maxLoops = maxLoops || 100000;
+    this._uuidCounter = 1;
+    this._moduleMocker = moduleMocker;
+
+    // Store original timer APIs for future reference
+    this._timerAPIs = {
+      clearImmediate: global.clearImmediate,
+      clearInterval: global.clearInterval,
+      clearTimeout: global.clearTimeout,
+      nextTick: global.process && global.process.nextTick,
+      setImmediate: global.setImmediate,
+      setInterval: global.setInterval,
+      setTimeout: global.setTimeout };
+
+
+    this.reset();
+    this._createMocks();
+
+    // These globally-accessible function are now deprecated!
+    // They will go away very soon, so do not use them!
+    // Instead, use the versions available on the `jest` object
+    global.mockRunTicksRepeatedly = this.runAllTicks.bind(this);
+    global.mockRunTimersOnce = this.runOnlyPendingTimers.bind(this);
+    global.mockRunTimersToTime = this.runTimersToTime.bind(this);
+    global.mockRunTimersRepeatedly = this.runAllTimers.bind(this);
+    global.mockClearTimers = this.clearAllTimers.bind(this);
+    global.mockGetTimersCount = () => Object.keys(this._timers).length;
+  }
+
+  clearAllTimers() {
+    this._immediates.forEach(
+    immediate => this._fakeClearImmediate(immediate.uuid));
+
+    for (const uuid in this._timers) {
+      delete this._timers[uuid];
+    }
+  }
+
+  dispose() {
+    this._disposed = true;
+    this.clearAllTimers();
+  }
+
+  reset() {
+    this._cancelledTicks = {};
+    this._cancelledImmediates = {};
+    this._now = 0;
+    this._ticks = [];
+    this._immediates = [];
+    this._timers = {};
+  }
+
+  runAllTicks() {
+    this._checkFakeTimers();
+    // Only run a generous number of ticks and then bail.
+    // This is just to help avoid recursive loops
+    let i;
+    for (i = 0; i < this._maxLoops; i++) {
+      const tick = this._ticks.shift();
+
+      if (tick === undefined) {
+        break;
+      }
+
+      if (!this._cancelledTicks.hasOwnProperty(tick.uuid)) {
+        // Callback may throw, so update the map prior calling.
+        this._cancelledTicks[tick.uuid] = true;
+        tick.callback();
+      }
+    }
+
+    if (i === this._maxLoops) {
+      throw new Error(
+      'Ran ' + this._maxLoops + ' ticks, and there are still more! ' +
+      'Assuming we\'ve hit an infinite recursion and bailing out...');
+
+    }
+  }
+
+  runAllImmediates() {
+    this._checkFakeTimers();
+    // Only run a generous number of immediates and then bail.
+    let i;
+    for (i = 0; i < this._maxLoops; i++) {
+      const immediate = this._immediates.shift();
+      if (immediate === undefined) {
+        break;
+      }
+      this._runImmediate(immediate);
+    }
+
+    if (i === this._maxLoops) {
+      throw new Error(
+      'Ran ' + this._maxLoops +
+      ' immediates, and there are still more! Assuming ' +
+      'we\'ve hit an infinite recursion and bailing out...');
+
+    }
+  }
+
+  _runImmediate(immediate) {
+    if (!this._cancelledImmediates.hasOwnProperty(immediate.uuid)) {
+      // Callback may throw, so update the map prior calling.
+      this._cancelledImmediates[immediate.uuid] = true;
+      immediate.callback();
+    }
+  }
+
+  runAllTimers() {
+    this._checkFakeTimers();
+    this.runAllTicks();
+    this.runAllImmediates();
+
+    // Only run a generous number of timers and then bail.
+    // This is just to help avoid recursive loops
+    let i;
+    for (i = 0; i < this._maxLoops; i++) {
+      const nextTimerHandle = this._getNextTimerHandle();
+
+      // If there are no more timer handles, stop!
+      if (nextTimerHandle === null) {
+        break;
+      }
+
+      this._runTimerHandle(nextTimerHandle);
+
+      // Some of the immediate calls could be enqueued
+      // during the previous handling of the timers, we should
+      // run them as well.
+      if (this._immediates.length) {
+        this.runAllImmediates();
+      }
+    }
+
+    if (i === this._maxLoops) {
+      throw new Error(
+      'Ran ' + this._maxLoops + ' timers, and there are still more! ' +
+      'Assuming we\'ve hit an infinite recursion and bailing out...');
+
+    }
+  }
+
+  runOnlyPendingTimers() {
+    this._checkFakeTimers();
+    this._immediates.forEach(this._runImmediate, this);
+    const timers = this._timers;
+    Object.keys(timers).
+    sort((left, right) => timers[left].expiry - timers[right].expiry).
+    forEach(this._runTimerHandle, this);
+  }
+
+  runTimersToTime(msToRun) {
+    this._checkFakeTimers();
+    // Only run a generous number of timers and then bail.
+    // This is jsut to help avoid recursive loops
+    let i;
+    for (i = 0; i < this._maxLoops; i++) {
+      const timerHandle = this._getNextTimerHandle();
+
+      // If there are no more timer handles, stop!
+      if (timerHandle === null) {
+        break;
+      }
+
+      const nextTimerExpiry = this._timers[timerHandle].expiry;
+      if (this._now + msToRun < nextTimerExpiry) {
+        // There are no timers between now and the target we're running to, so
+        // adjust our time cursor and quit
+        this._now += msToRun;
+        break;
+      } else {
+        msToRun -= nextTimerExpiry - this._now;
+        this._now = nextTimerExpiry;
+        this._runTimerHandle(timerHandle);
+      }
+    }
+
+    if (i === this._maxLoops) {
+      throw new Error(
+      'Ran ' + this._maxLoops + ' timers, and there are still more! ' +
+      'Assuming we\'ve hit an infinite recursion and bailing out...');
+
+    }
+  }
+
+  runWithRealTimers(cb) {
+    const prevClearImmediate = this._global.clearImmediate;
+    const prevClearInterval = this._global.clearInterval;
+    const prevClearTimeout = this._global.clearTimeout;
+    const prevNextTick = this._global.process.nextTick;
+    const prevSetImmediate = this._global.setImmediate;
+    const prevSetInterval = this._global.setInterval;
+    const prevSetTimeout = this._global.setTimeout;
+
+    this.useRealTimers();
+
+    let cbErr = null;
+    let errThrown = false;
+    try {
+      cb();
+    } catch (e) {
+      errThrown = true;
+      cbErr = e;
+    }
+
+    this._global.clearImmediate = prevClearImmediate;
+    this._global.clearInterval = prevClearInterval;
+    this._global.clearTimeout = prevClearTimeout;
+    this._global.process.nextTick = prevNextTick;
+    this._global.setImmediate = prevSetImmediate;
+    this._global.setInterval = prevSetInterval;
+    this._global.setTimeout = prevSetTimeout;
+
+    if (errThrown) {
+      throw cbErr;
+    }
+  }
+
+  useRealTimers() {
+    const global = this._global;
+    setGlobal(global, 'clearImmediate', this._timerAPIs.clearImmediate);
+    setGlobal(global, 'clearInterval', this._timerAPIs.clearInterval);
+    setGlobal(global, 'clearTimeout', this._timerAPIs.clearTimeout);
+    setGlobal(global, 'setImmediate', this._timerAPIs.setImmediate);
+    setGlobal(global, 'setInterval', this._timerAPIs.setInterval);
+    setGlobal(global, 'setTimeout', this._timerAPIs.setTimeout);
+
+    global.process.nextTick = this._timerAPIs.nextTick;
+  }
+
+  useFakeTimers() {
+    this._createMocks();
+
+    const global = this._global;
+    setGlobal(global, 'clearImmediate', this._fakeTimerAPIs.clearImmediate);
+    setGlobal(global, 'clearInterval', this._fakeTimerAPIs.clearInterval);
+    setGlobal(global, 'clearTimeout', this._fakeTimerAPIs.clearTimeout);
+    setGlobal(global, 'setImmediate', this._fakeTimerAPIs.setImmediate);
+    setGlobal(global, 'setInterval', this._fakeTimerAPIs.setInterval);
+    setGlobal(global, 'setTimeout', this._fakeTimerAPIs.setTimeout);
+
+    global.process.nextTick = this._fakeTimerAPIs.nextTick;
+  }
+
+  _checkFakeTimers() {
+    if (this._global.setTimeout !== this._fakeTimerAPIs.setTimeout) {
+      this._global.console.warn(
+      `A function to advance timers was called but the timers API is not ` +
+      `mocked with fake timers. Call \`jest.useFakeTimers()\` in this test ` +
+      `or enable fake timers globally by setting \`"timers": "fake"\` in ` +
+      `the configuration file. This warning is likely a result of a ` +
+      `default configuration change in Jest 15.\n\n` +
+      `Release Blog Post: https://facebook.github.io/jest/blog/2016/09/01/jest-15.html\n` +
+      `Stack Trace:\n` + formatStackTrace(new Error().stack, this._config));
+
+    }
+  }
+
+  _createMocks() {
+    const fn = impl => this._moduleMocker.fn().mockImplementation(impl);
+
+    this._fakeTimerAPIs = {
+      clearImmediate: fn(this._fakeClearImmediate.bind(this)),
+      clearInterval: fn(this._fakeClearTimer.bind(this)),
+      clearTimeout: fn(this._fakeClearTimer.bind(this)),
+      nextTick: fn(this._fakeNextTick.bind(this)),
+      setImmediate: fn(this._fakeSetImmediate.bind(this)),
+      setInterval: fn(this._fakeSetInterval.bind(this)),
+      setTimeout: fn(this._fakeSetTimeout.bind(this)) };
+
+  }
+
+  _fakeClearTimer(uuid) {
+    if (this._timers.hasOwnProperty(uuid)) {
+      delete this._timers[uuid];
+    }
+  }
+
+  _fakeClearImmediate(uuid) {
+    this._cancelledImmediates[uuid] = true;
+  }
+
+  _fakeNextTick(callback) {
+    if (this._disposed) {
+      return;
+    }
+
+    const args = [];
+    for (let ii = 1, ll = arguments.length; ii < ll; ii++) {
+      args.push(arguments[ii]);
+    }
+
+    const uuid = String(this._uuidCounter++);
+
+    this._ticks.push({
+      callback: () => callback.apply(null, args),
+      uuid });
+
+
+    const cancelledTicks = this._cancelledTicks;
+    this._timerAPIs.nextTick(() => {
+      if (this._blocked) {return;}
+      if (!cancelledTicks.hasOwnProperty(uuid)) {
+        // Callback may throw, so update the map prior calling.
+        cancelledTicks[uuid] = true;
+        callback.apply(null, args);
+      }
+    });
+  }
+
+  _fakeSetImmediate(callback) {
+    if (this._disposed) {
+      return null;
+    }
+
+    const args = [];
+    for (let ii = 1, ll = arguments.length; ii < ll; ii++) {
+      args.push(arguments[ii]);
+    }
+
+    const uuid = this._uuidCounter++;
+
+    this._immediates.push({
+      callback: () => callback.apply(null, args),
+      uuid: String(uuid) });
+
+
+    const cancelledImmediates = this._cancelledImmediates;
+    this._timerAPIs.setImmediate(() => {
+      if (!cancelledImmediates.hasOwnProperty(uuid)) {
+        // Callback may throw, so update the map prior calling.
+        cancelledImmediates[String(uuid)] = true;
+        callback.apply(null, args);
+      }
+    });
+
+    return uuid;
+  }
+
+  _fakeSetInterval(callback, intervalDelay) {
+    if (this._disposed) {
+      return null;
+    }
+
+    if (intervalDelay == null) {
+      intervalDelay = 0;
+    }
+
+    const args = [];
+    for (let ii = 2, ll = arguments.length; ii < ll; ii++) {
+      args.push(arguments[ii]);
+    }
+
+    const uuid = this._uuidCounter++;
+
+    this._timers[String(uuid)] = {
+      callback: () => callback.apply(null, args),
+      expiry: this._now + intervalDelay,
+      interval: intervalDelay,
+      type: 'interval' };
+
+
+    return uuid;
+  }
+
+  _fakeSetTimeout(callback, delay) {
+    if (this._disposed) {
+      return null;
+    }
+
+    if (delay == null) {
+      delay = 0;
+    }
+
+    const args = [];
+    for (let ii = 2, ll = arguments.length; ii < ll; ii++) {
+      args.push(arguments[ii]);
+    }
+
+    const uuid = this._uuidCounter++;
+
+    this._timers[String(uuid)] = {
+      callback: () => callback.apply(null, args),
+      expiry: this._now + delay,
+      interval: null,
+      type: 'timeout' };
+
+
+    return uuid;
+  }
+
+  _getNextTimerHandle() {
+    let nextTimerHandle = null;
+    let uuid;
+    let soonestTime = MS_IN_A_YEAR;
+    let timer;
+    for (uuid in this._timers) {
+      timer = this._timers[uuid];
+      if (timer.expiry < soonestTime) {
+        soonestTime = timer.expiry;
+        nextTimerHandle = uuid;
+      }
+    }
+
+    return nextTimerHandle;
+  }
+
+  _runTimerHandle(timerHandle) {
+    const timer = this._timers[timerHandle];
+
+    if (!timer) {
+      return;
+    }
+
+    switch (timer.type) {
+      case 'timeout':
+        const callback = timer.callback;
+        delete this._timers[timerHandle];
+        callback();
+        break;
+
+      case 'interval':
+        timer.expiry = this._now + timer.interval;
+        timer.callback();
+        break;
+
+      default:
+        throw new Error('Unexpected timer type: ' + timer.type);}
+
+  }}
+
+
+
+module.exports = FakeTimers;
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/NullConsole.js b/node_modules/jest-util/build/NullConsole.js
new file mode 100644
index 000000000..2461923c4
--- /dev/null
+++ b/node_modules/jest-util/build/NullConsole.js
@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+
+'use strict';
+
+const Console = require('./Console');
+
+class NullConsole extends Console {
+  assert() {}
+  dir() {}
+  error() {}
+  info() {}
+  log() {}
+  time() {}
+  timeEnd() {}
+  trace() {}
+  warn() {}}
+
+
+module.exports = NullConsole;
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/clearLine.js b/node_modules/jest-util/build/clearLine.js
new file mode 100644
index 000000000..240c71a77
--- /dev/null
+++ b/node_modules/jest-util/build/clearLine.js
@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+/* global stream$Writable */
+'use strict';
+
+module.exports = stream => {
+  if (process.stdout.isTTY) {
+    stream.write('\x1b[999D\x1b[K');
+  }
+};
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/formatTestResults.js b/node_modules/jest-util/build/formatTestResults.js
new file mode 100644
index 000000000..ad66e6e76
--- /dev/null
+++ b/node_modules/jest-util/build/formatTestResults.js
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+
+'use strict';
+
+
+
+
+
+
+
+
+
+
+
+
+const formatResult = (
+testResult,
+codeCoverageFormatter,
+reporter) =>
+{
+  const now = Date.now();
+  const output = {
+    assertionResults: [],
+    coverage: {},
+    endTime: now,
+    message: '',
+    name: testResult.testFilePath,
+    startTime: now,
+    status: 'failed',
+    summary: '' };
+
+
+  if (testResult.testExecError) {
+    output.message = testResult.testExecError.message;
+    output.coverage = {};
+  } else {
+    const allTestsPassed = testResult.numFailingTests === 0;
+    output.status = allTestsPassed ? 'passed' : 'failed';
+    output.startTime = testResult.perfStats.start;
+    output.endTime = testResult.perfStats.end;
+    output.coverage = codeCoverageFormatter(testResult.coverage, reporter);
+  }
+
+  output.assertionResults = testResult.testResults.map(formatTestAssertion);
+
+  if (testResult.failureMessage) {
+    output.message = testResult.failureMessage;
+  }
+
+  return output;
+};
+
+function formatTestAssertion(
+assertion)
+{
+  const result = {
+    failureMessages: null,
+    status: assertion.status,
+    title: assertion.title };
+
+  if (assertion.failureMessages) {
+    result.failureMessages = assertion.failureMessages;
+  }
+  return result;
+}
+
+function formatTestResults(
+results,
+codeCoverageFormatter,
+reporter)
+{
+  const formatter = codeCoverageFormatter || (coverage => coverage);
+
+  const testResults = results.testResults.map(testResult => formatResult(
+  testResult,
+  formatter,
+  reporter));
+
+
+  return Object.assign(Object.create(null), results, {
+    testResults });
+
+}
+
+module.exports = formatTestResults;
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/index.js b/node_modules/jest-util/build/index.js
new file mode 100644
index 000000000..793121254
--- /dev/null
+++ b/node_modules/jest-util/build/index.js
@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) 2014, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+
+'use strict';
+
+const Console = require('./Console');
+const FakeTimers = require('./FakeTimers');
+const NullConsole = require('./NullConsole');
+
+const clearLine = require('./clearLine');
+const fileExists = require('jest-file-exists');
+const formatTestResults = require('./formatTestResults');
+const installCommonGlobals = require('./installCommonGlobals');
+const mkdirp = require('mkdirp');
+const path = require('path');
+const setGlobal = require('./setGlobal');
+const validateCLIOptions = require('./validateCLIOptions');
+
+const createDirectory = path => {
+  try {
+    mkdirp.sync(path, '777');
+  } catch (e) {
+    if (e.code !== 'EEXIST') {
+      throw e;
+    }
+  }
+};
+
+const getPackageRoot = () => {
+  const cwd = process.cwd();
+
+  // Is the cwd somewhere within an npm package?
+  let root = cwd;
+  while (!fileExists(path.join(root, 'package.json'))) {
+    if (root === '/' || root.match(/^[A-Z]:\\/)) {
+      root = cwd;
+      break;
+    }
+    root = path.resolve(root, '..');
+  }
+
+  return root;
+};
+
+module.exports = {
+  Console,
+  FakeTimers,
+  NullConsole,
+  clearLine,
+  createDirectory,
+  formatTestResults,
+  getPackageRoot,
+  installCommonGlobals,
+  setGlobal,
+  validateCLIOptions };
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/installCommonGlobals.js b/node_modules/jest-util/build/installCommonGlobals.js
new file mode 100644
index 000000000..33e58e3ab
--- /dev/null
+++ b/node_modules/jest-util/build/installCommonGlobals.js
@@ -0,0 +1,58 @@
+/**
+* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+*
+* This source code is licensed under the BSD-style license found in the
+* LICENSE file in the root directory of this source tree. An additional grant
+* of patent rights can be found in the PATENTS file in the same directory.
+*
+* 
+*/
+'use strict';
+
+
+
+
+function deepCopy(obj) {
+  const newObj = {};
+  let value;
+  for (const key in obj) {
+    value = obj[key];
+    if (typeof value === 'object' && value !== null) {
+      value = deepCopy(value);
+    }
+    newObj[key] = value;
+  }
+  return newObj;
+}
+
+module.exports = (global, globals) => {
+  // Forward some APIs
+  global.Buffer = Buffer;
+
+  // `global.process` is mutated by FakeTimers. Make a copy of the
+  // object for the jsdom environment to prevent memory leaks.
+  // Overwrite toString to make it look like the real process object
+  let toStringOverwrite;
+  if (Symbol && Symbol.toStringTag) {
+    // $FlowFixMe
+    toStringOverwrite = {
+      [Symbol.toStringTag]: 'process' };
+
+  }
+  global.process = Object.assign({}, process, toStringOverwrite);
+  global.process.setMaxListeners = process.setMaxListeners.bind(process);
+  global.process.getMaxListeners = process.getMaxListeners.bind(process);
+  global.process.emit = process.emit.bind(process);
+  global.process.addListener = process.addListener.bind(process);
+  global.process.on = process.on.bind(process);
+  global.process.once = process.once.bind(process);
+  global.process.removeListener = process.removeListener.bind(process);
+  global.process.removeAllListeners = process.removeAllListeners.bind(process);
+  global.process.listeners = process.listeners.bind(process);
+  global.process.listenerCount = process.listenerCount.bind(process);
+
+  global.setImmediate = setImmediate;
+  global.clearImmediate = clearImmediate;
+
+  Object.assign(global, deepCopy(globals));
+};
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/setGlobal.js b/node_modules/jest-util/build/setGlobal.js
new file mode 100644
index 000000000..78e3b38c7
--- /dev/null
+++ b/node_modules/jest-util/build/setGlobal.js
@@ -0,0 +1,26 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+module.exports =
+(global, key, value) => global[key] = value; /**
+                                              * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+                                              *
+                                              * This source code is licensed under the BSD-style license found in the
+                                              * LICENSE file in the root directory of this source tree. An additional grant
+                                              * of patent rights can be found in the PATENTS file in the same directory.
+                                              *
+                                              * 
+                                              */ // This file must not use 'use strict'.
+// See https://github.com/facebook/jest/pull/2457#issuecomment-269518622
+\ No newline at end of file
diff --git a/node_modules/jest-util/build/validateCLIOptions.js b/node_modules/jest-util/build/validateCLIOptions.js
new file mode 100644
index 000000000..5c20feabb
--- /dev/null
+++ b/node_modules/jest-util/build/validateCLIOptions.js
@@ -0,0 +1,69 @@
+/**
+ * Copyright (c) 2014, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * 
+ */
+
+'use strict';
+
+const chalk = require('chalk');var _require =
+
+
+
+
+require('jest-validate');const ValidationError = _require.ValidationError,format = _require.format,createDidYouMeanMessage = _require.createDidYouMeanMessage;
+
+const BULLET = chalk.bold('\u25cf');
+
+const createCLIValidationError = (
+unrecognizedOptions,
+allowedOptions) =>
+{
+  let title = `${BULLET} Unrecognized CLI Parameter`;
+  let message;
+  const comment =
+  `  ${chalk.bold('CLI Options Documentation')}:\n` +
+  `  http://facebook.github.io/jest/docs/cli.html\n`;
+
+  if (unrecognizedOptions.length === 1) {
+    const unrecognized = unrecognizedOptions[0];
+    const didYouMeanMessage = createDidYouMeanMessage(
+    unrecognized,
+    Array.from(allowedOptions));
+
+    message = `  Unrecognized option ${chalk.bold(format(unrecognized))}.` + (
+    didYouMeanMessage ? ` ${didYouMeanMessage}` : '');
+  } else {
+    title += 's';
+    message =
+    `  Following options were not recognized:\n` +
+    `  ${chalk.bold(format(unrecognizedOptions))}`;
+  }
+
+  return new ValidationError(title, message, comment);
+};
+
+const validateCLIOptions = (argv, options) => {
+  const yargsSpecialOptions = ['$0', '_', 'help', 'h'];
+  const allowedOptions = Object.keys(options).reduce((acc, option) =>
+  acc.
+  add(option).
+  add(options[option].alias || option),
+  new Set(yargsSpecialOptions));
+
+  const unrecognizedOptions = Object.keys(argv).filter(arg =>
+  !allowedOptions.has(arg));
+
+
+  if (unrecognizedOptions.length) {
+    throw createCLIValidationError(unrecognizedOptions, allowedOptions);
+  }
+
+  return true;
+};
+
+module.exports = validateCLIOptions;
+\ No newline at end of file
diff --git a/node_modules/jest-util/node_modules/.bin/mkdirp b/node_modules/jest-util/node_modules/.bin/mkdirp
new file mode 120000
index 000000000..91a5f623f
--- /dev/null
+++ b/node_modules/jest-util/node_modules/.bin/mkdirp
@@ -0,0 +1 @@
+../../../mkdirp/bin/cmd.js
+\ No newline at end of file
diff --git a/node_modules/jest-util/package.json b/node_modules/jest-util/package.json
new file mode 100644
index 000000000..152baf519
--- /dev/null
+++ b/node_modules/jest-util/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "jest-util",
+  "version": "19.0.2",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/facebook/jest.git"
+  },
+  "license": "BSD-3-Clause",
+  "main": "build/index.js",
+  "dependencies": {
+    "chalk": "^1.1.1",
+    "graceful-fs": "^4.1.6",
+    "jest-file-exists": "^19.0.0",
+    "jest-mock": "^19.0.0",
+    "jest-validate": "^19.0.2",
+    "jest-message-util": "^19.0.0",
+    "leven": "^2.0.0",
+    "mkdirp": "^0.5.1"
+  }
+}