Added game info bar

node_modules/mocha/lib/browser/debug.js

@@ -0,0 +1,4 @@
+/* eslint-disable no-unused-vars */
+module.exports = function(type) {
+  return function() {};
+};

node_modules/mocha/lib/browser/events.js

@@ -0,0 +1,193 @@
+/**
+ * Module exports.
+ */
+
+exports.EventEmitter = EventEmitter;
+
+/**
+ * Object#toString reference.
+ */
+var objToString = Object.prototype.toString;
+
+/**
+ * Check if a value is an array.
+ *
+ * @api private
+ * @param {*} val The value to test.
+ * @return {boolean} true if the value is an array, otherwise false.
+ */
+function isArray(val) {
+  return objToString.call(val) === '[object Array]';
+}
+
+/**
+ * Event emitter constructor.
+ *
+ * @api public
+ */
+function EventEmitter() {}
+
+/**
+ * Add a listener.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @param {Function} fn Event handler.
+ * @return {EventEmitter} Emitter instance.
+ */
+EventEmitter.prototype.on = function(name, fn) {
+  if (!this.$events) {
+    this.$events = {};
+  }
+
+  if (!this.$events[name]) {
+    this.$events[name] = fn;
+  } else if (isArray(this.$events[name])) {
+    this.$events[name].push(fn);
+  } else {
+    this.$events[name] = [this.$events[name], fn];
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.addListener = EventEmitter.prototype.on;
+
+/**
+ * Adds a volatile listener.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @param {Function} fn Event handler.
+ * @return {EventEmitter} Emitter instance.
+ */
+EventEmitter.prototype.once = function(name, fn) {
+  var self = this;
+
+  function on() {
+    self.removeListener(name, on);
+    fn.apply(this, arguments);
+  }
+
+  on.listener = fn;
+  this.on(name, on);
+
+  return this;
+};
+
+/**
+ * Remove a listener.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @param {Function} fn Event handler.
+ * @return {EventEmitter} Emitter instance.
+ */
+EventEmitter.prototype.removeListener = function(name, fn) {
+  if (this.$events && this.$events[name]) {
+    var list = this.$events[name];
+
+    if (isArray(list)) {
+      var pos = -1;
+
+      for (var i = 0, l = list.length; i < l; i++) {
+        if (list[i] === fn || (list[i].listener && list[i].listener === fn)) {
+          pos = i;
+          break;
+        }
+      }
+
+      if (pos < 0) {
+        return this;
+      }
+
+      list.splice(pos, 1);
+
+      if (!list.length) {
+        delete this.$events[name];
+      }
+    } else if (list === fn || (list.listener && list.listener === fn)) {
+      delete this.$events[name];
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Remove all listeners for an event.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @return {EventEmitter} Emitter instance.
+ */
+EventEmitter.prototype.removeAllListeners = function(name) {
+  if (name === undefined) {
+    this.$events = {};
+    return this;
+  }
+
+  if (this.$events && this.$events[name]) {
+    this.$events[name] = null;
+  }
+
+  return this;
+};
+
+/**
+ * Get all listeners for a given event.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @return {EventEmitter} Emitter instance.
+ */
+EventEmitter.prototype.listeners = function(name) {
+  if (!this.$events) {
+    this.$events = {};
+  }
+
+  if (!this.$events[name]) {
+    this.$events[name] = [];
+  }
+
+  if (!isArray(this.$events[name])) {
+    this.$events[name] = [this.$events[name]];
+  }
+
+  return this.$events[name];
+};
+
+/**
+ * Emit an event.
+ *
+ * @api public
+ * @param {string} name Event name.
+ * @return {boolean} true if at least one handler was invoked, else false.
+ */
+EventEmitter.prototype.emit = function(name) {
+  if (!this.$events) {
+    return false;
+  }
+
+  var handler = this.$events[name];
+
+  if (!handler) {
+    return false;
+  }
+
+  var args = Array.prototype.slice.call(arguments, 1);
+
+  if (typeof handler === 'function') {
+    handler.apply(this, args);
+  } else if (isArray(handler)) {
+    var listeners = handler.slice();
+
+    for (var i = 0, l = listeners.length; i < l; i++) {
+      listeners[i].apply(this, args);
+    }
+  } else {
+    return false;
+  }
+
+  return true;
+};

node_modules/mocha/lib/browser/progress.js

@@ -0,0 +1,117 @@
+/**
+ * Expose `Progress`.
+ */
+
+module.exports = Progress;
+
+/**
+ * Initialize a new `Progress` indicator.
+ */
+function Progress() {
+  this.percent = 0;
+  this.size(0);
+  this.fontSize(11);
+  this.font('helvetica, arial, sans-serif');
+}
+
+/**
+ * Set progress size to `size`.
+ *
+ * @api public
+ * @param {number} size
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.size = function(size) {
+  this._size = size;
+  return this;
+};
+
+/**
+ * Set text to `text`.
+ *
+ * @api public
+ * @param {string} text
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.text = function(text) {
+  this._text = text;
+  return this;
+};
+
+/**
+ * Set font size to `size`.
+ *
+ * @api public
+ * @param {number} size
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.fontSize = function(size) {
+  this._fontSize = size;
+  return this;
+};
+
+/**
+ * Set font to `family`.
+ *
+ * @param {string} family
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.font = function(family) {
+  this._font = family;
+  return this;
+};
+
+/**
+ * Update percentage to `n`.
+ *
+ * @param {number} n
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.update = function(n) {
+  this.percent = n;
+  return this;
+};
+
+/**
+ * Draw on `ctx`.
+ *
+ * @param {CanvasRenderingContext2d} ctx
+ * @return {Progress} Progress instance.
+ */
+Progress.prototype.draw = function(ctx) {
+  try {
+    var percent = Math.min(this.percent, 100);
+    var size = this._size;
+    var half = size / 2;
+    var x = half;
+    var y = half;
+    var rad = half - 1;
+    var fontSize = this._fontSize;
+
+    ctx.font = fontSize + 'px ' + this._font;
+
+    var angle = Math.PI * 2 * (percent / 100);
+    ctx.clearRect(0, 0, size, size);
+
+    // outer circle
+    ctx.strokeStyle = '#9f9f9f';
+    ctx.beginPath();
+    ctx.arc(x, y, rad, 0, angle, false);
+    ctx.stroke();
+
+    // inner circle
+    ctx.strokeStyle = '#eee';
+    ctx.beginPath();
+    ctx.arc(x, y, rad - 1, 0, angle, true);
+    ctx.stroke();
+
+    // text
+    var text = this._text || (percent | 0) + '%';
+    var w = ctx.measureText(text).width;
+
+    ctx.fillText(text, x - w / 2 + 1, y + fontSize / 2 - 1);
+  } catch (err) {
+    // don't fail if we can't render progress
+  }
+  return this;
+};

node_modules/mocha/lib/browser/tty.js

@@ -0,0 +1,11 @@
+exports.isatty = function isatty() {
+  return true;
+};
+
+exports.getWindowSize = function getWindowSize() {
+  if ('innerHeight' in global) {
+    return [global.innerHeight, global.innerWidth];
+  }
+  // In a Web Worker, the DOM Window is not available.
+  return [640, 480];
+};

node_modules/mocha/lib/context.js

@@ -0,0 +1,104 @@
+/**
+ * Expose `Context`.
+ */
+
+module.exports = Context;
+
+/**
+ * Initialize a new `Context`.
+ *
+ * @api private
+ */
+function Context() {}
+
+/**
+ * Set or get the context `Runnable` to `runnable`.
+ *
+ * @api private
+ * @param {Runnable} runnable
+ * @return {Context}
+ */
+Context.prototype.runnable = function(runnable) {
+  if (!arguments.length) {
+    return this._runnable;
+  }
+  this.test = this._runnable = runnable;
+  return this;
+};
+
+/**
+ * Set test timeout `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {Context} self
+ */
+Context.prototype.timeout = function(ms) {
+  if (!arguments.length) {
+    return this.runnable().timeout();
+  }
+  this.runnable().timeout(ms);
+  return this;
+};
+
+/**
+ * Set test timeout `enabled`.
+ *
+ * @api private
+ * @param {boolean} enabled
+ * @return {Context} self
+ */
+Context.prototype.enableTimeouts = function(enabled) {
+  this.runnable().enableTimeouts(enabled);
+  return this;
+};
+
+/**
+ * Set test slowness threshold `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {Context} self
+ */
+Context.prototype.slow = function(ms) {
+  this.runnable().slow(ms);
+  return this;
+};
+
+/**
+ * Mark a test as skipped.
+ *
+ * @api private
+ * @return {Context} self
+ */
+Context.prototype.skip = function() {
+  this.runnable().skip();
+  return this;
+};
+
+/**
+ * Allow a number of retries on failed tests
+ *
+ * @api private
+ * @param {number} n
+ * @return {Context} self
+ */
+Context.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this.runnable().retries();
+  }
+  this.runnable().retries(n);
+  return this;
+};
+
+/**
+ * Inspect the context void of `._runnable`.
+ *
+ * @api private
+ * @return {string}
+ */
+Context.prototype.inspect = function() {
+  return JSON.stringify(this, function(key, val) {
+    return key === 'runnable' || key === 'test' ? undefined : val;
+  }, 2);
+};

node_modules/mocha/lib/hook.js

@@ -0,0 +1,46 @@
+/**
+ * Module dependencies.
+ */
+
+var Runnable = require('./runnable');
+var inherits = require('./utils').inherits;
+
+/**
+ * Expose `Hook`.
+ */
+
+module.exports = Hook;
+
+/**
+ * Initialize a new `Hook` with the given `title` and callback `fn`.
+ *
+ * @param {String} title
+ * @param {Function} fn
+ * @api private
+ */
+function Hook(title, fn) {
+  Runnable.call(this, title, fn);
+  this.type = 'hook';
+}
+
+/**
+ * Inherit from `Runnable.prototype`.
+ */
+inherits(Hook, Runnable);
+
+/**
+ * Get or set the test `err`.
+ *
+ * @param {Error} err
+ * @return {Error}
+ * @api public
+ */
+Hook.prototype.error = function(err) {
+  if (!arguments.length) {
+    err = this._error;
+    this._error = null;
+    return err;
+  }
+
+  this._error = err;
+};

node_modules/mocha/lib/interfaces/bdd.js

@@ -0,0 +1,117 @@
+/**
+ * Module dependencies.
+ */
+
+var Suite = require('../suite');
+var Test = require('../test');
+var escapeRe = require('escape-string-regexp');
+
+/**
+ * BDD-style interface:
+ *
+ *      describe('Array', function() {
+ *        describe('#indexOf()', function() {
+ *          it('should return -1 when not present', function() {
+ *            // ...
+ *          });
+ *
+ *          it('should return the index when present', function() {
+ *            // ...
+ *          });
+ *        });
+ *      });
+ *
+ * @param {Suite} suite Root suite.
+ */
+module.exports = function(suite) {
+  var suites = [suite];
+
+  suite.on('pre-require', function(context, file, mocha) {
+    var common = require('./common')(suites, context);
+
+    context.before = common.before;
+    context.after = common.after;
+    context.beforeEach = common.beforeEach;
+    context.afterEach = common.afterEach;
+    context.run = mocha.options.delay && common.runWithSuite(suite);
+    /**
+     * Describe a "suite" with the given `title`
+     * and callback `fn` containing nested suites
+     * and/or tests.
+     */
+
+    context.describe = context.context = function(title, fn) {
+      var suite = Suite.create(suites[0], title);
+      suite.file = file;
+      suites.unshift(suite);
+      fn.call(suite);
+      suites.shift();
+      return suite;
+    };
+
+    /**
+     * Pending describe.
+     */
+
+    context.xdescribe = context.xcontext = context.describe.skip = function(title, fn) {
+      var suite = Suite.create(suites[0], title);
+      suite.pending = true;
+      suites.unshift(suite);
+      fn.call(suite);
+      suites.shift();
+    };
+
+    /**
+     * Exclusive suite.
+     */
+
+    context.describe.only = function(title, fn) {
+      var suite = context.describe(title, fn);
+      mocha.grep(suite.fullTitle());
+      return suite;
+    };
+
+    /**
+     * Describe a specification or test-case
+     * with the given `title` and callback `fn`
+     * acting as a thunk.
+     */
+
+    var it = context.it = context.specify = function(title, fn) {
+      var suite = suites[0];
+      if (suite.isPending()) {
+        fn = null;
+      }
+      var test = new Test(title, fn);
+      test.file = file;
+      suite.addTest(test);
+      return test;
+    };
+
+    /**
+     * Exclusive test-case.
+     */
+
+    context.it.only = function(title, fn) {
+      var test = it(title, fn);
+      var reString = '^' + escapeRe(test.fullTitle()) + '$';
+      mocha.grep(new RegExp(reString));
+      return test;
+    };
+
+    /**
+     * Pending test case.
+     */
+
+    context.xit = context.xspecify = context.it.skip = function(title) {
+      context.it(title);
+    };
+
+    /**
+     * Number of attempts to retry.
+     */
+    context.it.retries = function(n) {
+      context.retries(n);
+    };
+  });
+};

node_modules/mocha/lib/interfaces/common.js

@@ -0,0 +1,85 @@
+'use strict';
+
+/**
+ * Functions common to more than one interface.
+ *
+ * @param {Suite[]} suites
+ * @param {Context} context
+ * @return {Object} An object containing common functions.
+ */
+module.exports = function(suites, context) {
+  return {
+    /**
+     * This is only present if flag --delay is passed into Mocha. It triggers
+     * root suite execution.
+     *
+     * @param {Suite} suite The root wuite.
+     * @return {Function} A function which runs the root suite
+     */
+    runWithSuite: function runWithSuite(suite) {
+      return function run() {
+        suite.run();
+      };
+    },
+
+    /**
+     * Execute before running tests.
+     *
+     * @param {string} name
+     * @param {Function} fn
+     */
+    before: function(name, fn) {
+      suites[0].beforeAll(name, fn);
+    },
+
+    /**
+     * Execute after running tests.
+     *
+     * @param {string} name
+     * @param {Function} fn
+     */
+    after: function(name, fn) {
+      suites[0].afterAll(name, fn);
+    },
+
+    /**
+     * Execute before each test case.
+     *
+     * @param {string} name
+     * @param {Function} fn
+     */
+    beforeEach: function(name, fn) {
+      suites[0].beforeEach(name, fn);
+    },
+
+    /**
+     * Execute after each test case.
+     *
+     * @param {string} name
+     * @param {Function} fn
+     */
+    afterEach: function(name, fn) {
+      suites[0].afterEach(name, fn);
+    },
+
+    test: {
+      /**
+       * Pending test case.
+       *
+       * @param {string} title
+       */
+      skip: function(title) {
+        context.test(title);
+      },
+
+      /**
+       * Number of retry attempts
+       *
+       * @param {number} n
+       */
+      retries: function(n) {
+        context.retries(n);
+      }
+    }
+  };
+};

node_modules/mocha/lib/interfaces/exports.js

@@ -0,0 +1,61 @@
+/**
+ * Module dependencies.
+ */
+
+var Suite = require('../suite');
+var Test = require('../test');
+
+/**
+ * Exports-style (as Node.js module) interface:
+ *
+ *     exports.Array = {
+ *       '#indexOf()': {
+ *         'should return -1 when the value is not present': function() {
+ *
+ *         },
+ *
+ *         'should return the correct index when the value is present': function() {
+ *
+ *         }
+ *       }
+ *     };
+ *
+ * @param {Suite} suite Root suite.
+ */
+module.exports = function(suite) {
+  var suites = [suite];
+
+  suite.on('require', visit);
+
+  function visit(obj, file) {
+    var suite;
+    for (var key in obj) {
+      if (typeof obj[key] === 'function') {
+        var fn = obj[key];
+        switch (key) {
+          case 'before':
+            suites[0].beforeAll(fn);
+            break;
+          case 'after':
+            suites[0].afterAll(fn);
+            break;
+          case 'beforeEach':
+            suites[0].beforeEach(fn);
+            break;
+          case 'afterEach':
+            suites[0].afterEach(fn);
+            break;
+          default:
+            var test = new Test(key, fn);
+            test.file = file;
+            suites[0].addTest(test);
+        }
+      } else {
+        suite = Suite.create(suites[0], key);
+        suites.unshift(suite);
+        visit(obj[key], file);
+        suites.shift();
+      }
+    }
+  }
+};

node_modules/mocha/lib/interfaces/index.js

@@ -0,0 +1,4 @@
+exports.bdd = require('./bdd');
+exports.tdd = require('./tdd');
+exports.qunit = require('./qunit');
+exports.exports = require('./exports');

node_modules/mocha/lib/interfaces/qunit.js

@@ -0,0 +1,94 @@
+/**
+ * Module dependencies.
+ */
+
+var Suite = require('../suite');
+var Test = require('../test');
+var escapeRe = require('escape-string-regexp');
+
+/**
+ * QUnit-style interface:
+ *
+ *     suite('Array');
+ *
+ *     test('#length', function() {
+ *       var arr = [1,2,3];
+ *       ok(arr.length == 3);
+ *     });
+ *
+ *     test('#indexOf()', function() {
+ *       var arr = [1,2,3];
+ *       ok(arr.indexOf(1) == 0);
+ *       ok(arr.indexOf(2) == 1);
+ *       ok(arr.indexOf(3) == 2);
+ *     });
+ *
+ *     suite('String');
+ *
+ *     test('#length', function() {
+ *       ok('foo'.length == 3);
+ *     });
+ *
+ * @param {Suite} suite Root suite.
+ */
+module.exports = function(suite) {
+  var suites = [suite];
+
+  suite.on('pre-require', function(context, file, mocha) {
+    var common = require('./common')(suites, context);
+
+    context.before = common.before;
+    context.after = common.after;
+    context.beforeEach = common.beforeEach;
+    context.afterEach = common.afterEach;
+    context.run = mocha.options.delay && common.runWithSuite(suite);
+    /**
+     * Describe a "suite" with the given `title`.
+     */
+
+    context.suite = function(title) {
+      if (suites.length > 1) {
+        suites.shift();
+      }
+      var suite = Suite.create(suites[0], title);
+      suite.file = file;
+      suites.unshift(suite);
+      return suite;
+    };
+
+    /**
+     * Exclusive test-case.
+     */
+
+    context.suite.only = function(title, fn) {
+      var suite = context.suite(title, fn);
+      mocha.grep(suite.fullTitle());
+    };
+
+    /**
+     * Describe a specification or test-case
+     * with the given `title` and callback `fn`
+     * acting as a thunk.
+     */
+
+    context.test = function(title, fn) {
+      var test = new Test(title, fn);
+      test.file = file;
+      suites[0].addTest(test);
+      return test;
+    };
+
+    /**
+     * Exclusive test-case.
+     */
+
+    context.test.only = function(title, fn) {
+      var test = context.test(title, fn);
+      var reString = '^' + escapeRe(test.fullTitle()) + '$';
+      mocha.grep(new RegExp(reString));
+    };
+
+    context.test.skip = common.test.skip;
+    context.test.retries = common.test.retries;
+  });
+};

node_modules/mocha/lib/interfaces/tdd.js

@@ -0,0 +1,106 @@
+/**
+ * Module dependencies.
+ */
+
+var Suite = require('../suite');
+var Test = require('../test');
+var escapeRe = require('escape-string-regexp');
+
+/**
+ * TDD-style interface:
+ *
+ *      suite('Array', function() {
+ *        suite('#indexOf()', function() {
+ *          suiteSetup(function() {
+ *
+ *          });
+ *
+ *          test('should return -1 when not present', function() {
+ *
+ *          });
+ *
+ *          test('should return the index when present', function() {
+ *
+ *          });
+ *
+ *          suiteTeardown(function() {
+ *
+ *          });
+ *        });
+ *      });
+ *
+ * @param {Suite} suite Root suite.
+ */
+module.exports = function(suite) {
+  var suites = [suite];
+
+  suite.on('pre-require', function(context, file, mocha) {
+    var common = require('./common')(suites, context);
+
+    context.setup = common.beforeEach;
+    context.teardown = common.afterEach;
+    context.suiteSetup = common.before;
+    context.suiteTeardown = common.after;
+    context.run = mocha.options.delay && common.runWithSuite(suite);
+
+    /**
+     * Describe a "suite" with the given `title` and callback `fn` containing
+     * nested suites and/or tests.
+     */
+    context.suite = function(title, fn) {
+      var suite = Suite.create(suites[0], title);
+      suite.file = file;
+      suites.unshift(suite);
+      fn.call(suite);
+      suites.shift();
+      return suite;
+    };
+
+    /**
+     * Pending suite.
+     */
+    context.suite.skip = function(title, fn) {
+      var suite = Suite.create(suites[0], title);
+      suite.pending = true;
+      suites.unshift(suite);
+      fn.call(suite);
+      suites.shift();
+    };
+
+    /**
+     * Exclusive test-case.
+     */
+    context.suite.only = function(title, fn) {
+      var suite = context.suite(title, fn);
+      mocha.grep(suite.fullTitle());
+    };
+
+    /**
+     * Describe a specification or test-case with the given `title` and
+     * callback `fn` acting as a thunk.
+     */
+    context.test = function(title, fn) {
+      var suite = suites[0];
+      if (suite.isPending()) {
+        fn = null;
+      }
+      var test = new Test(title, fn);
+      test.file = file;
+      suite.addTest(test);
+      return test;
+    };
+
+    /**
+     * Exclusive test-case.
+     */
+
+    context.test.only = function(title, fn) {
+      var test = context.test(title, fn);
+      var reString = '^' + escapeRe(test.fullTitle()) + '$';
+      mocha.grep(new RegExp(reString));
+    };
+
+    context.test.skip = common.test.skip;
+    context.test.retries = common.test.retries;
+  });
+};

node_modules/mocha/lib/mocha.js

@@ -0,0 +1,503 @@
+/*!
+ * mocha
+ * Copyright(c) 2011 TJ Holowaychuk <tj@vision-media.ca>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var escapeRe = require('escape-string-regexp');
+var path = require('path');
+var reporters = require('./reporters');
+var utils = require('./utils');
+
+/**
+ * Expose `Mocha`.
+ */
+
+exports = module.exports = Mocha;
+
+/**
+ * To require local UIs and reporters when running in node.
+ */
+
+if (!process.browser) {
+  var cwd = process.cwd();
+  module.paths.push(cwd, path.join(cwd, 'node_modules'));
+}
+
+/**
+ * Expose internals.
+ */
+
+exports.utils = utils;
+exports.interfaces = require('./interfaces');
+exports.reporters = reporters;
+exports.Runnable = require('./runnable');
+exports.Context = require('./context');
+exports.Runner = require('./runner');
+exports.Suite = require('./suite');
+exports.Hook = require('./hook');
+exports.Test = require('./test');
+
+/**
+ * Return image `name` path.
+ *
+ * @api private
+ * @param {string} name
+ * @return {string}
+ */
+function image(name) {
+  return path.join(__dirname, '../images', name + '.png');
+}
+
+/**
+ * Set up mocha with `options`.
+ *
+ * Options:
+ *
+ *   - `ui` name "bdd", "tdd", "exports" etc
+ *   - `reporter` reporter instance, defaults to `mocha.reporters.spec`
+ *   - `globals` array of accepted globals
+ *   - `timeout` timeout in milliseconds
+ *   - `retries` number of times to retry failed tests
+ *   - `bail` bail on the first test failure
+ *   - `slow` milliseconds to wait before considering a test slow
+ *   - `ignoreLeaks` ignore global leaks
+ *   - `fullTrace` display the full stack-trace on failing
+ *   - `grep` string or regexp to filter tests with
+ *
+ * @param {Object} options
+ * @api public
+ */
+function Mocha(options) {
+  options = options || {};
+  this.files = [];
+  this.options = options;
+  if (options.grep) {
+    this.grep(new RegExp(options.grep));
+  }
+  if (options.fgrep) {
+    this.grep(options.fgrep);
+  }
+  this.suite = new exports.Suite('', new exports.Context());
+  this.ui(options.ui);
+  this.bail(options.bail);
+  this.reporter(options.reporter, options.reporterOptions);
+  if (typeof options.timeout !== 'undefined' && options.timeout !== null) {
+    this.timeout(options.timeout);
+  }
+  if (typeof options.retries !== 'undefined' && options.retries !== null) {
+    this.retries(options.retries);
+  }
+  this.useColors(options.useColors);
+  if (options.enableTimeouts !== null) {
+    this.enableTimeouts(options.enableTimeouts);
+  }
+  if (options.slow) {
+    this.slow(options.slow);
+  }
+}
+
+/**
+ * Enable or disable bailing on the first failure.
+ *
+ * @api public
+ * @param {boolean} [bail]
+ */
+Mocha.prototype.bail = function(bail) {
+  if (!arguments.length) {
+    bail = true;
+  }
+  this.suite.bail(bail);
+  return this;
+};
+
+/**
+ * Add test `file`.
+ *
+ * @api public
+ * @param {string} file
+ */
+Mocha.prototype.addFile = function(file) {
+  this.files.push(file);
+  return this;
+};
+
+/**
+ * Set reporter to `reporter`, defaults to "spec".
+ *
+ * @param {String|Function} reporter name or constructor
+ * @param {Object} reporterOptions optional options
+ * @api public
+ * @param {string|Function} reporter name or constructor
+ * @param {Object} reporterOptions optional options
+ */
+Mocha.prototype.reporter = function(reporter, reporterOptions) {
+  if (typeof reporter === 'function') {
+    this._reporter = reporter;
+  } else {
+    reporter = reporter || 'spec';
+    var _reporter;
+    // Try to load a built-in reporter.
+    if (reporters[reporter]) {
+      _reporter = reporters[reporter];
+    }
+    // Try to load reporters from process.cwd() and node_modules
+    if (!_reporter) {
+      try {
+        _reporter = require(reporter);
+      } catch (err) {
+        err.message.indexOf('Cannot find module') !== -1
+          ? console.warn('"' + reporter + '" reporter not found')
+          : console.warn('"' + reporter + '" reporter blew up with error:\n' + err.stack);
+      }
+    }
+    if (!_reporter && reporter === 'teamcity') {
+      console.warn('The Teamcity reporter was moved to a package named '
+        + 'mocha-teamcity-reporter '
+        + '(https://npmjs.org/package/mocha-teamcity-reporter).');
+    }
+    if (!_reporter) {
+      throw new Error('invalid reporter "' + reporter + '"');
+    }
+    this._reporter = _reporter;
+  }
+  this.options.reporterOptions = reporterOptions;
+  return this;
+};
+
+/**
+ * Set test UI `name`, defaults to "bdd".
+ *
+ * @api public
+ * @param {string} bdd
+ */
+Mocha.prototype.ui = function(name) {
+  name = name || 'bdd';
+  this._ui = exports.interfaces[name];
+  if (!this._ui) {
+    try {
+      this._ui = require(name);
+    } catch (err) {
+      throw new Error('invalid interface "' + name + '"');
+    }
+  }
+  this._ui = this._ui(this.suite);
+
+  this.suite.on('pre-require', function(context) {
+    exports.afterEach = context.afterEach || context.teardown;
+    exports.after = context.after || context.suiteTeardown;
+    exports.beforeEach = context.beforeEach || context.setup;
+    exports.before = context.before || context.suiteSetup;
+    exports.describe = context.describe || context.suite;
+    exports.it = context.it || context.test;
+    exports.setup = context.setup || context.beforeEach;
+    exports.suiteSetup = context.suiteSetup || context.before;
+    exports.suiteTeardown = context.suiteTeardown || context.after;
+    exports.suite = context.suite || context.describe;
+    exports.teardown = context.teardown || context.afterEach;
+    exports.test = context.test || context.it;
+    exports.run = context.run;
+  });
+
+  return this;
+};
+
+/**
+ * Load registered files.
+ *
+ * @api private
+ */
+Mocha.prototype.loadFiles = function(fn) {
+  var self = this;
+  var suite = this.suite;
+  this.files.forEach(function(file) {
+    file = path.resolve(file);
+    suite.emit('pre-require', global, file, self);
+    suite.emit('require', require(file), file, self);
+    suite.emit('post-require', global, file, self);
+  });
+  fn && fn();
+};
+
+/**
+ * Enable growl support.
+ *
+ * @api private
+ */
+Mocha.prototype._growl = function(runner, reporter) {
+  var notify = require('growl');
+
+  runner.on('end', function() {
+    var stats = reporter.stats;
+    if (stats.failures) {
+      var msg = stats.failures + ' of ' + runner.total + ' tests failed';
+      notify(msg, { name: 'mocha', title: 'Failed', image: image('error') });
+    } else {
+      notify(stats.passes + ' tests passed in ' + stats.duration + 'ms', {
+        name: 'mocha',
+        title: 'Passed',
+        image: image('ok')
+      });
+    }
+  });
+};
+
+/**
+ * Add regexp to grep, if `re` is a string it is escaped.
+ *
+ * @param {RegExp|String} re
+ * @return {Mocha}
+ * @api public
+ * @param {RegExp|string} re
+ * @return {Mocha}
+ */
+Mocha.prototype.grep = function(re) {
+  this.options.grep = typeof re === 'string' ? new RegExp(escapeRe(re)) : re;
+  return this;
+};
+
+/**
+ * Invert `.grep()` matches.
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.invert = function() {
+  this.options.invert = true;
+  return this;
+};
+
+/**
+ * Ignore global leaks.
+ *
+ * @param {Boolean} ignore
+ * @return {Mocha}
+ * @api public
+ * @param {boolean} ignore
+ * @return {Mocha}
+ */
+Mocha.prototype.ignoreLeaks = function(ignore) {
+  this.options.ignoreLeaks = Boolean(ignore);
+  return this;
+};
+
+/**
+ * Enable global leak checking.
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.checkLeaks = function() {
+  this.options.ignoreLeaks = false;
+  return this;
+};
+
+/**
+ * Display long stack-trace on failing
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.fullTrace = function() {
+  this.options.fullStackTrace = true;
+  return this;
+};
+
+/**
+ * Enable growl support.
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.growl = function() {
+  this.options.growl = true;
+  return this;
+};
+
+/**
+ * Ignore `globals` array or string.
+ *
+ * @param {Array|String} globals
+ * @return {Mocha}
+ * @api public
+ * @param {Array|string} globals
+ * @return {Mocha}
+ */
+Mocha.prototype.globals = function(globals) {
+  this.options.globals = (this.options.globals || []).concat(globals);
+  return this;
+};
+
+/**
+ * Emit color output.
+ *
+ * @param {Boolean} colors
+ * @return {Mocha}
+ * @api public
+ * @param {boolean} colors
+ * @return {Mocha}
+ */
+Mocha.prototype.useColors = function(colors) {
+  if (colors !== undefined) {
+    this.options.useColors = colors;
+  }
+  return this;
+};
+
+/**
+ * Use inline diffs rather than +/-.
+ *
+ * @param {Boolean} inlineDiffs
+ * @return {Mocha}
+ * @api public
+ * @param {boolean} inlineDiffs
+ * @return {Mocha}
+ */
+Mocha.prototype.useInlineDiffs = function(inlineDiffs) {
+  this.options.useInlineDiffs = inlineDiffs !== undefined && inlineDiffs;
+  return this;
+};
+
+/**
+ * Set the timeout in milliseconds.
+ *
+ * @param {Number} timeout
+ * @return {Mocha}
+ * @api public
+ * @param {number} timeout
+ * @return {Mocha}
+ */
+Mocha.prototype.timeout = function(timeout) {
+  this.suite.timeout(timeout);
+  return this;
+};
+
+/**
+ * Set the number of times to retry failed tests.
+ *
+ * @param {Number} retry times
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.retries = function(n) {
+  this.suite.retries(n);
+  return this;
+};
+
+/**
+ * Set slowness threshold in milliseconds.
+ *
+ * @param {Number} slow
+ * @return {Mocha}
+ * @api public
+ * @param {number} slow
+ * @return {Mocha}
+ */
+Mocha.prototype.slow = function(slow) {
+  this.suite.slow(slow);
+  return this;
+};
+
+/**
+ * Enable timeouts.
+ *
+ * @param {Boolean} enabled
+ * @return {Mocha}
+ * @api public
+ * @param {boolean} enabled
+ * @return {Mocha}
+ */
+Mocha.prototype.enableTimeouts = function(enabled) {
+  this.suite.enableTimeouts(arguments.length && enabled !== undefined ? enabled : true);
+  return this;
+};
+
+/**
+ * Makes all tests async (accepting a callback)
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.asyncOnly = function() {
+  this.options.asyncOnly = true;
+  return this;
+};
+
+/**
+ * Disable syntax highlighting (in browser).
+ *
+ * @api public
+ */
+Mocha.prototype.noHighlighting = function() {
+  this.options.noHighlighting = true;
+  return this;
+};
+
+/**
+ * Enable uncaught errors to propagate (in browser).
+ *
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.allowUncaught = function() {
+  this.options.allowUncaught = true;
+  return this;
+};
+
+/**
+ * Delay root suite execution.
+ * @returns {Mocha}
+ */
+Mocha.prototype.delay = function delay() {
+  this.options.delay = true;
+  return this;
+};
+
+/**
+ * Run tests and invoke `fn()` when complete.
+ *
+ * @api public
+ * @param {Function} fn
+ * @return {Runner}
+ */
+Mocha.prototype.run = function(fn) {
+  if (this.files.length) {
+    this.loadFiles();
+  }
+  var suite = this.suite;
+  var options = this.options;
+  options.files = this.files;
+  var runner = new exports.Runner(suite, options.delay);
+  var reporter = new this._reporter(runner, options);
+  runner.ignoreLeaks = options.ignoreLeaks !== false;
+  runner.fullStackTrace = options.fullStackTrace;
+  runner.asyncOnly = options.asyncOnly;
+  runner.allowUncaught = options.allowUncaught;
+  if (options.grep) {
+    runner.grep(options.grep, options.invert);
+  }
+  if (options.globals) {
+    runner.globals(options.globals);
+  }
+  if (options.growl) {
+    this._growl(runner, reporter);
+  }
+  if (options.useColors !== undefined) {
+    exports.reporters.Base.useColors = options.useColors;
+  }
+  exports.reporters.Base.inlineDiffs = options.useInlineDiffs;
+
+  function done(failures) {
+    if (reporter.done) {
+      reporter.done(failures, fn);
+    } else {
+      fn && fn(failures);
+    }
+  }
+
+  return runner.run(done);
+};

node_modules/mocha/lib/ms.js

@@ -0,0 +1,128 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @api public
+ * @param {string|number} val
+ * @param {Object} options
+ * @return {string|number}
+ */
+module.exports = function(val, options) {
+  options = options || {};
+  if (typeof val === 'string') {
+    return parse(val);
+  }
+  // https://github.com/mochajs/mocha/pull/1035
+  return options['long'] ? longFormat(val) : shortFormat(val);
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @api private
+ * @param {string} str
+ * @return {number}
+ */
+function parse(str) {
+  var match = (/^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i).exec(str);
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 's':
+      return n * s;
+    case 'ms':
+      return n;
+    default:
+      // No default case
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {string}
+ */
+function shortFormat(ms) {
+  if (ms >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (ms >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (ms >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (ms >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @api private
+ * @param {number} ms
+ * @return {string}
+ */
+function longFormat(ms) {
+  return plural(ms, d, 'day')
+    || plural(ms, h, 'hour')
+    || plural(ms, m, 'minute')
+    || plural(ms, s, 'second')
+    || ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ *
+ * @api private
+ * @param {number} ms
+ * @param {number} n
+ * @param {string} name
+ */
+function plural(ms, n, name) {
+  if (ms < n) {
+    return;
+  }
+  if (ms < n * 1.5) {
+    return Math.floor(ms / n) + ' ' + name;
+  }
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}

node_modules/mocha/lib/pending.js

@@ -0,0 +1,15 @@
+
+/**
+ * Expose `Pending`.
+ */
+
+module.exports = Pending;
+
+/**
+ * Initialize a new `Pending` error with the given message.
+ *
+ * @param {string} message
+ */
+function Pending(message) {
+  this.message = message;
+}

node_modules/mocha/lib/reporters/base.js

@@ -0,0 +1,487 @@
+/**
+ * Module dependencies.
+ */
+
+var tty = require('tty');
+var diff = require('diff');
+var ms = require('../ms');
+var utils = require('../utils');
+var supportsColor = process.browser ? null : require('supports-color');
+
+/**
+ * Expose `Base`.
+ */
+
+exports = module.exports = Base;
+
+/**
+ * Save timer references to avoid Sinon interfering.
+ * See: https://github.com/mochajs/mocha/issues/237
+ */
+
+/* eslint-disable no-unused-vars, no-native-reassign */
+var Date = global.Date;
+var setTimeout = global.setTimeout;
+var setInterval = global.setInterval;
+var clearTimeout = global.clearTimeout;
+var clearInterval = global.clearInterval;
+/* eslint-enable no-unused-vars, no-native-reassign */
+
+/**
+ * Check if both stdio streams are associated with a tty.
+ */
+
+var isatty = tty.isatty(1) && tty.isatty(2);
+
+/**
+ * Enable coloring by default, except in the browser interface.
+ */
+
+exports.useColors = !process.browser && (supportsColor || (process.env.MOCHA_COLORS !== undefined));
+
+/**
+ * Inline diffs instead of +/-
+ */
+
+exports.inlineDiffs = false;
+
+/**
+ * Default color map.
+ */
+
+exports.colors = {
+  pass: 90,
+  fail: 31,
+  'bright pass': 92,
+  'bright fail': 91,
+  'bright yellow': 93,
+  pending: 36,
+  suite: 0,
+  'error title': 0,
+  'error message': 31,
+  'error stack': 90,
+  checkmark: 32,
+  fast: 90,
+  medium: 33,
+  slow: 31,
+  green: 32,
+  light: 90,
+  'diff gutter': 90,
+  'diff added': 32,
+  'diff removed': 31
+};
+
+/**
+ * Default symbol map.
+ */
+
+exports.symbols = {
+  ok: '✓',
+  err: '✖',
+  dot: '․'
+};
+
+// With node.js on Windows: use symbols available in terminal default fonts
+if (process.platform === 'win32') {
+  exports.symbols.ok = '\u221A';
+  exports.symbols.err = '\u00D7';
+  exports.symbols.dot = '.';
+}
+
+/**
+ * Color `str` with the given `type`,
+ * allowing colors to be disabled,
+ * as well as user-defined color
+ * schemes.
+ *
+ * @param {string} type
+ * @param {string} str
+ * @return {string}
+ * @api private
+ */
+var color = exports.color = function(type, str) {
+  if (!exports.useColors) {
+    return String(str);
+  }
+  return '\u001b[' + exports.colors[type] + 'm' + str + '\u001b[0m';
+};
+
+/**
+ * Expose term window size, with some defaults for when stderr is not a tty.
+ */
+
+exports.window = {
+  width: 75
+};
+
+if (isatty) {
+  exports.window.width = process.stdout.getWindowSize
+      ? process.stdout.getWindowSize(1)[0]
+      : tty.getWindowSize()[1];
+}
+
+/**
+ * Expose some basic cursor interactions that are common among reporters.
+ */
+
+exports.cursor = {
+  hide: function() {
+    isatty && process.stdout.write('\u001b[?25l');
+  },
+
+  show: function() {
+    isatty && process.stdout.write('\u001b[?25h');
+  },
+
+  deleteLine: function() {
+    isatty && process.stdout.write('\u001b[2K');
+  },
+
+  beginningOfLine: function() {
+    isatty && process.stdout.write('\u001b[0G');
+  },
+
+  CR: function() {
+    if (isatty) {
+      exports.cursor.deleteLine();
+      exports.cursor.beginningOfLine();
+    } else {
+      process.stdout.write('\r');
+    }
+  }
+};
+
+/**
+ * Outut the given `failures` as a list.
+ *
+ * @param {Array} failures
+ * @api public
+ */
+
+exports.list = function(failures) {
+  console.log();
+  failures.forEach(function(test, i) {
+    // format
+    var fmt = color('error title', '  %s) %s:\n')
+      + color('error message', '     %s')
+      + color('error stack', '\n%s\n');
+
+    // msg
+    var msg;
+    var err = test.err;
+    var message;
+    if (err.message && typeof err.message.toString === 'function') {
+      message = err.message + '';
+    } else if (typeof err.inspect === 'function') {
+      message = err.inspect() + '';
+    } else {
+      message = '';
+    }
+    var stack = err.stack || message;
+    var index = stack.indexOf(message);
+    var actual = err.actual;
+    var expected = err.expected;
+    var escape = true;
+
+    if (index === -1) {
+      msg = message;
+    } else {
+      index += message.length;
+      msg = stack.slice(0, index);
+      // remove msg from stack
+      stack = stack.slice(index + 1);
+    }
+
+    // uncaught
+    if (err.uncaught) {
+      msg = 'Uncaught ' + msg;
+    }
+    // explicitly show diff
+    if (err.showDiff !== false && sameType(actual, expected) && expected !== undefined) {
+      escape = false;
+      if (!(utils.isString(actual) && utils.isString(expected))) {
+        err.actual = actual = utils.stringify(actual);
+        err.expected = expected = utils.stringify(expected);
+      }
+
+      fmt = color('error title', '  %s) %s:\n%s') + color('error stack', '\n%s\n');
+      var match = message.match(/^([^:]+): expected/);
+      msg = '\n      ' + color('error message', match ? match[1] : msg);
+
+      if (exports.inlineDiffs) {
+        msg += inlineDiff(err, escape);
+      } else {
+        msg += unifiedDiff(err, escape);
+      }
+    }
+
+    // indent stack trace
+    stack = stack.replace(/^/gm, '  ');
+
+    console.log(fmt, (i + 1), test.fullTitle(), msg, stack);
+  });
+};
+
+/**
+ * Initialize a new `Base` reporter.
+ *
+ * All other reporters generally
+ * inherit from this reporter, providing
+ * stats such as test duration, number
+ * of tests passed / failed etc.
+ *
+ * @param {Runner} runner
+ * @api public
+ */
+
+function Base(runner) {
+  var stats = this.stats = { suites: 0, tests: 0, passes: 0, pending: 0, failures: 0 };
+  var failures = this.failures = [];
+
+  if (!runner) {
+    return;
+  }
+  this.runner = runner;
+
+  runner.stats = stats;
+
+  runner.on('start', function() {
+    stats.start = new Date();
+  });
+
+  runner.on('suite', function(suite) {
+    stats.suites = stats.suites || 0;
+    suite.root || stats.suites++;
+  });
+
+  runner.on('test end', function() {
+    stats.tests = stats.tests || 0;
+    stats.tests++;
+  });
+
+  runner.on('pass', function(test) {
+    stats.passes = stats.passes || 0;
+
+    if (test.duration > test.slow()) {
+      test.speed = 'slow';
+    } else if (test.duration > test.slow() / 2) {
+      test.speed = 'medium';
+    } else {
+      test.speed = 'fast';
+    }
+
+    stats.passes++;
+  });
+
+  runner.on('fail', function(test, err) {
+    stats.failures = stats.failures || 0;
+    stats.failures++;
+    test.err = err;
+    failures.push(test);
+  });
+
+  runner.on('end', function() {
+    stats.end = new Date();
+    stats.duration = new Date() - stats.start;
+  });
+
+  runner.on('pending', function() {
+    stats.pending++;
+  });
+}
+
+/**
+ * Output common epilogue used by many of
+ * the bundled reporters.
+ *
+ * @api public
+ */
+Base.prototype.epilogue = function() {
+  var stats = this.stats;
+  var fmt;
+
+  console.log();
+
+  // passes
+  fmt = color('bright pass', ' ')
+    + color('green', ' %d passing')
+    + color('light', ' (%s)');
+
+  console.log(fmt,
+    stats.passes || 0,
+    ms(stats.duration));
+
+  // pending
+  if (stats.pending) {
+    fmt = color('pending', ' ')
+      + color('pending', ' %d pending');
+
+    console.log(fmt, stats.pending);
+  }
+
+  // failures
+  if (stats.failures) {
+    fmt = color('fail', '  %d failing');
+
+    console.log(fmt, stats.failures);
+
+    Base.list(this.failures);
+    console.log();
+  }
+
+  console.log();
+};
+
+/**
+ * Pad the given `str` to `len`.
+ *
+ * @api private
+ * @param {string} str
+ * @param {string} len
+ * @return {string}
+ */
+function pad(str, len) {
+  str = String(str);
+  return Array(len - str.length + 1).join(' ') + str;
+}
+
+/**
+ * Returns an inline diff between 2 strings with coloured ANSI output
+ *
+ * @api private
+ * @param {Error} err with actual/expected
+ * @param {boolean} escape
+ * @return {string} Diff
+ */
+function inlineDiff(err, escape) {
+  var msg = errorDiff(err, 'WordsWithSpace', escape);
+
+  // linenos
+  var lines = msg.split('\n');
+  if (lines.length > 4) {
+    var width = String(lines.length).length;
+    msg = lines.map(function(str, i) {
+      return pad(++i, width) + ' |' + ' ' + str;
+    }).join('\n');
+  }
+
+  // legend
+  msg = '\n'
+    + color('diff removed', 'actual')
+    + ' '
+    + color('diff added', 'expected')
+    + '\n\n'
+    + msg
+    + '\n';
+
+  // indent
+  msg = msg.replace(/^/gm, '      ');
+  return msg;
+}
+
+/**
+ * Returns a unified diff between two strings.
+ *
+ * @api private
+ * @param {Error} err with actual/expected
+ * @param {boolean} escape
+ * @return {string} The diff.
+ */
+function unifiedDiff(err, escape) {
+  var indent = '      ';
+  function cleanUp(line) {
+    if (escape) {
+      line = escapeInvisibles(line);
+    }
+    if (line[0] === '+') {
+      return indent + colorLines('diff added', line);
+    }
+    if (line[0] === '-') {
+      return indent + colorLines('diff removed', line);
+    }
+    if (line.match(/\@\@/)) {
+      return null;
+    }
+    if (line.match(/\\ No newline/)) {
+      return null;
+    }
+    return indent + line;
+  }
+  function notBlank(line) {
+    return typeof line !== 'undefined' && line !== null;
+  }
+  var msg = diff.createPatch('string', err.actual, err.expected);
+  var lines = msg.split('\n').splice(4);
+  return '\n      '
+    + colorLines('diff added', '+ expected') + ' '
+    + colorLines('diff removed', '- actual')
+    + '\n\n'
+    + lines.map(cleanUp).filter(notBlank).join('\n');
+}
+
+/**
+ * Return a character diff for `err`.
+ *
+ * @api private
+ * @param {Error} err
+ * @param {string} type
+ * @param {boolean} escape
+ * @return {string}
+ */
+function errorDiff(err, type, escape) {
+  var actual = escape ? escapeInvisibles(err.actual) : err.actual;
+  var expected = escape ? escapeInvisibles(err.expected) : err.expected;
+  return diff['diff' + type](actual, expected).map(function(str) {
+    if (str.added) {
+      return colorLines('diff added', str.value);
+    }
+    if (str.removed) {
+      return colorLines('diff removed', str.value);
+    }
+    return str.value;
+  }).join('');
+}
+
+/**
+ * Returns a string with all invisible characters in plain text
+ *
+ * @api private
+ * @param {string} line
+ * @return {string}
+ */
+function escapeInvisibles(line) {
+  return line.replace(/\t/g, '<tab>')
+    .replace(/\r/g, '<CR>')
+    .replace(/\n/g, '<LF>\n');
+}
+
+/**
+ * Color lines for `str`, using the color `name`.
+ *
+ * @api private
+ * @param {string} name
+ * @param {string} str
+ * @return {string}
+ */
+function colorLines(name, str) {
+  return str.split('\n').map(function(str) {
+    return color(name, str);
+  }).join('\n');
+}
+
+/**
+ * Object#toString reference.
+ */
+var objToString = Object.prototype.toString;
+
+/**
+ * Check that a / b have the same type.
+ *
+ * @api private
+ * @param {Object} a
+ * @param {Object} b
+ * @return {boolean}
+ */
+function sameType(a, b) {
+  return objToString.call(a) === objToString.call(b);
+}

node_modules/mocha/lib/reporters/doc.js

@@ -0,0 +1,62 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var utils = require('../utils');
+
+/**
+ * Expose `Doc`.
+ */
+
+exports = module.exports = Doc;
+
+/**
+ * Initialize a new `Doc` reporter.
+ *
+ * @param {Runner} runner
+ * @api public
+ */
+function Doc(runner) {
+  Base.call(this, runner);
+
+  var indents = 2;
+
+  function indent() {
+    return Array(indents).join('  ');
+  }
+
+  runner.on('suite', function(suite) {
+    if (suite.root) {
+      return;
+    }
+    ++indents;
+    console.log('%s<section class="suite">', indent());
+    ++indents;
+    console.log('%s<h1>%s</h1>', indent(), utils.escape(suite.title));
+    console.log('%s<dl>', indent());
+  });
+
+  runner.on('suite end', function(suite) {
+    if (suite.root) {
+      return;
+    }
+    console.log('%s</dl>', indent());
+    --indents;
+    console.log('%s</section>', indent());
+    --indents;
+  });
+
+  runner.on('pass', function(test) {
+    console.log('%s  <dt>%s</dt>', indent(), utils.escape(test.title));
+    var code = utils.escape(utils.clean(test.body));
+    console.log('%s  <dd><pre><code>%s</code></pre></dd>', indent(), code);
+  });
+
+  runner.on('fail', function(test, err) {
+    console.log('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.title));
+    var code = utils.escape(utils.clean(test.fn.body));
+    console.log('%s  <dd class="error"><pre><code>%s</code></pre></dd>', indent(), code);
+    console.log('%s  <dd class="error">%s</dd>', indent(), utils.escape(err));
+  });
+}

node_modules/mocha/lib/reporters/dot.js

@@ -0,0 +1,66 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+var color = Base.color;
+
+/**
+ * Expose `Dot`.
+ */
+
+exports = module.exports = Dot;
+
+/**
+ * Initialize a new `Dot` matrix test reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function Dot(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var width = Base.window.width * .75 | 0;
+  var n = -1;
+
+  runner.on('start', function() {
+    process.stdout.write('\n');
+  });
+
+  runner.on('pending', function() {
+    if (++n % width === 0) {
+      process.stdout.write('\n  ');
+    }
+    process.stdout.write(color('pending', Base.symbols.dot));
+  });
+
+  runner.on('pass', function(test) {
+    if (++n % width === 0) {
+      process.stdout.write('\n  ');
+    }
+    if (test.speed === 'slow') {
+      process.stdout.write(color('bright yellow', Base.symbols.dot));
+    } else {
+      process.stdout.write(color(test.speed, Base.symbols.dot));
+    }
+  });
+
+  runner.on('fail', function() {
+    if (++n % width === 0) {
+      process.stdout.write('\n  ');
+    }
+    process.stdout.write(color('fail', Base.symbols.dot));
+  });
+
+  runner.on('end', function() {
+    console.log();
+    self.epilogue();
+  });
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(Dot, Base);

node_modules/mocha/lib/reporters/html-cov.js

@@ -0,0 +1,56 @@
+/**
+ * Module dependencies.
+ */
+
+var JSONCov = require('./json-cov');
+var readFileSync = require('fs').readFileSync;
+var join = require('path').join;
+
+/**
+ * Expose `HTMLCov`.
+ */
+
+exports = module.exports = HTMLCov;
+
+/**
+ * Initialize a new `JsCoverage` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function HTMLCov(runner) {
+  var jade = require('jade');
+  var file = join(__dirname, '/templates/coverage.jade');
+  var str = readFileSync(file, 'utf8');
+  var fn = jade.compile(str, { filename: file });
+  var self = this;
+
+  JSONCov.call(this, runner, false);
+
+  runner.on('end', function() {
+    process.stdout.write(fn({
+      cov: self.cov,
+      coverageClass: coverageClass
+    }));
+  });
+}
+
+/**
+ * Return coverage class for a given coverage percentage.
+ *
+ * @api private
+ * @param {number} coveragePctg
+ * @return {string}
+ */
+function coverageClass(coveragePctg) {
+  if (coveragePctg >= 75) {
+    return 'high';
+  }
+  if (coveragePctg >= 50) {
+    return 'medium';
+  }
+  if (coveragePctg >= 25) {
+    return 'low';
+  }
+  return 'terrible';
+}

node_modules/mocha/lib/reporters/html.js

@@ -0,0 +1,343 @@
+/* eslint-env browser */
+
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var utils = require('../utils');
+var Progress = require('../browser/progress');
+var escapeRe = require('escape-string-regexp');
+var escape = utils.escape;
+
+/**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+
+/* eslint-disable no-unused-vars, no-native-reassign */
+var Date = global.Date;
+var setTimeout = global.setTimeout;
+var setInterval = global.setInterval;
+var clearTimeout = global.clearTimeout;
+var clearInterval = global.clearInterval;
+/* eslint-enable no-unused-vars, no-native-reassign */
+
+/**
+ * Expose `HTML`.
+ */
+
+exports = module.exports = HTML;
+
+/**
+ * Stats template.
+ */
+
+var statsTemplate = '<ul id="mocha-stats">'
+  + '<li class="progress"><canvas width="40" height="40"></canvas></li>'
+  + '<li class="passes"><a href="javascript:void(0);">passes:</a> <em>0</em></li>'
+  + '<li class="failures"><a href="javascript:void(0);">failures:</a> <em>0</em></li>'
+  + '<li class="duration">duration: <em>0</em>s</li>'
+  + '</ul>';
+
+/**
+ * Initialize a new `HTML` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function HTML(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var stats = this.stats;
+  var stat = fragment(statsTemplate);
+  var items = stat.getElementsByTagName('li');
+  var passes = items[1].getElementsByTagName('em')[0];
+  var passesLink = items[1].getElementsByTagName('a')[0];
+  var failures = items[2].getElementsByTagName('em')[0];
+  var failuresLink = items[2].getElementsByTagName('a')[0];
+  var duration = items[3].getElementsByTagName('em')[0];
+  var canvas = stat.getElementsByTagName('canvas')[0];
+  var report = fragment('<ul id="mocha-report"></ul>');
+  var stack = [report];
+  var progress;
+  var ctx;
+  var root = document.getElementById('mocha');
+
+  if (canvas.getContext) {
+    var ratio = window.devicePixelRatio || 1;
+    canvas.style.width = canvas.width;
+    canvas.style.height = canvas.height;
+    canvas.width *= ratio;
+    canvas.height *= ratio;
+    ctx = canvas.getContext('2d');
+    ctx.scale(ratio, ratio);
+    progress = new Progress();
+  }
+
+  if (!root) {
+    return error('#mocha div missing, add it to your document');
+  }
+
+  // pass toggle
+  on(passesLink, 'click', function(evt) {
+    evt.preventDefault();
+    unhide();
+    var name = (/pass/).test(report.className) ? '' : ' pass';
+    report.className = report.className.replace(/fail|pass/g, '') + name;
+    if (report.className.trim()) {
+      hideSuitesWithout('test pass');
+    }
+  });
+
+  // failure toggle
+  on(failuresLink, 'click', function(evt) {
+    evt.preventDefault();
+    unhide();
+    var name = (/fail/).test(report.className) ? '' : ' fail';
+    report.className = report.className.replace(/fail|pass/g, '') + name;
+    if (report.className.trim()) {
+      hideSuitesWithout('test fail');
+    }
+  });
+
+  root.appendChild(stat);
+  root.appendChild(report);
+
+  if (progress) {
+    progress.size(40);
+  }
+
+  runner.on('suite', function(suite) {
+    if (suite.root) {
+      return;
+    }
+
+    // suite
+    var url = self.suiteURL(suite);
+    var el = fragment('<li class="suite"><h1><a href="%s">%s</a></h1></li>', url, escape(suite.title));
+
+    // container
+    stack[0].appendChild(el);
+    stack.unshift(document.createElement('ul'));
+    el.appendChild(stack[0]);
+  });
+
+  runner.on('suite end', function(suite) {
+    if (suite.root) {
+      return;
+    }
+    stack.shift();
+  });
+
+  runner.on('pass', function(test) {
+    var url = self.testURL(test);
+    var markup = '<li class="test pass %e"><h2>%e<span class="duration">%ems</span> '
+      + '<a href="%s" class="replay">‣</a></h2></li>';
+    var el = fragment(markup, test.speed, test.title, test.duration, url);
+    self.addCodeToggle(el, test.body);
+    appendToStack(el);
+    updateStats();
+  });
+
+  runner.on('fail', function(test) {
+    var el = fragment('<li class="test fail"><h2>%e <a href="%e" class="replay">‣</a></h2></li>',
+      test.title, self.testURL(test));
+    var stackString; // Note: Includes leading newline
+    var message = test.err.toString();
+
+    // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we
+    // check for the result of the stringifying.
+    if (message === '[object Error]') {
+      message = test.err.message;
+    }
+
+    if (test.err.stack) {
+      var indexOfMessage = test.err.stack.indexOf(test.err.message);
+      if (indexOfMessage === -1) {
+        stackString = test.err.stack;
+      } else {
+        stackString = test.err.stack.substr(test.err.message.length + indexOfMessage);
+      }
+    } else if (test.err.sourceURL && test.err.line !== undefined) {
+      // Safari doesn't give you a stack. Let's at least provide a source line.
+      stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')';
+    }
+
+    stackString = stackString || '';
+
+    if (test.err.htmlMessage && stackString) {
+      el.appendChild(fragment('<div class="html-error">%s\n<pre class="error">%e</pre></div>',
+        test.err.htmlMessage, stackString));
+    } else if (test.err.htmlMessage) {
+      el.appendChild(fragment('<div class="html-error">%s</div>', test.err.htmlMessage));
+    } else {
+      el.appendChild(fragment('<pre class="error">%e%e</pre>', message, stackString));
+    }
+
+    self.addCodeToggle(el, test.body);
+    appendToStack(el);
+    updateStats();
+  });
+
+  runner.on('pending', function(test) {
+    var el = fragment('<li class="test pass pending"><h2>%e</h2></li>', test.title);
+    appendToStack(el);
+    updateStats();
+  });
+
+  function appendToStack(el) {
+    // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack.
+    if (stack[0]) {
+      stack[0].appendChild(el);
+    }
+  }
+
+  function updateStats() {
+    // TODO: add to stats
+    var percent = stats.tests / this.total * 100 | 0;
+    if (progress) {
+      progress.update(percent).draw(ctx);
+    }
+
+    // update stats
+    var ms = new Date() - stats.start;
+    text(passes, stats.passes);
+    text(failures, stats.failures);
+    text(duration, (ms / 1000).toFixed(2));
+  }
+}
+
+/**
+ * Makes a URL, preserving querystring ("search") parameters.
+ *
+ * @param {string} s
+ * @return {string} A new URL.
+ */
+function makeUrl(s) {
+  var search = window.location.search;
+
+  // Remove previous grep query parameter if present
+  if (search) {
+    search = search.replace(/[?&]grep=[^&\s]*/g, '').replace(/^&/, '?');
+  }
+
+  return window.location.pathname + (search ? search + '&' : '?') + 'grep=' + encodeURIComponent(escapeRe(s));
+}
+
+/**
+ * Provide suite URL.
+ *
+ * @param {Object} [suite]
+ */
+HTML.prototype.suiteURL = function(suite) {
+  return makeUrl(suite.fullTitle());
+};
+
+/**
+ * Provide test URL.
+ *
+ * @param {Object} [test]
+ */
+HTML.prototype.testURL = function(test) {
+  return makeUrl(test.fullTitle());
+};
+
+/**
+ * Adds code toggle functionality for the provided test's list element.
+ *
+ * @param {HTMLLIElement} el
+ * @param {string} contents
+ */
+HTML.prototype.addCodeToggle = function(el, contents) {
+  var h2 = el.getElementsByTagName('h2')[0];
+
+  on(h2, 'click', function() {
+    pre.style.display = pre.style.display === 'none' ? 'block' : 'none';
+  });
+
+  var pre = fragment('<pre><code>%e</code></pre>', utils.clean(contents));
+  el.appendChild(pre);
+  pre.style.display = 'none';
+};
+
+/**
+ * Display error `msg`.
+ *
+ * @param {string} msg
+ */
+function error(msg) {
+  document.body.appendChild(fragment('<div id="mocha-error">%s</div>', msg));
+}
+
+/**
+ * Return a DOM fragment from `html`.
+ *
+ * @param {string} html
+ */
+function fragment(html) {
+  var args = arguments;
+  var div = document.createElement('div');
+  var i = 1;
+
+  div.innerHTML = html.replace(/%([se])/g, function(_, type) {
+    switch (type) {
+      case 's': return String(args[i++]);
+      case 'e': return escape(args[i++]);
+      // no default
+    }
+  });
+
+  return div.firstChild;
+}
+
+/**
+ * Check for suites that do not have elements
+ * with `classname`, and hide them.
+ *
+ * @param {text} classname
+ */
+function hideSuitesWithout(classname) {
+  var suites = document.getElementsByClassName('suite');
+  for (var i = 0; i < suites.length; i++) {
+    var els = suites[i].getElementsByClassName(classname);
+    if (!els.length) {
+      suites[i].className += ' hidden';
+    }
+  }
+}
+
+/**
+ * Unhide .hidden suites.
+ */
+function unhide() {
+  var els = document.getElementsByClassName('suite hidden');
+  for (var i = 0; i < els.length; ++i) {
+    els[i].className = els[i].className.replace('suite hidden', 'suite');
+  }
+}
+
+/**
+ * Set an element's text contents.
+ *
+ * @param {HTMLElement} el
+ * @param {string} contents
+ */
+function text(el, contents) {
+  if (el.textContent) {
+    el.textContent = contents;
+  } else {
+    el.innerText = contents;
+  }
+}
+
+/**
+ * Listen on `event` with callback `fn`.
+ */
+function on(el, event, fn) {
+  if (el.addEventListener) {
+    el.addEventListener(event, fn, false);
+  } else {
+    el.attachEvent('on' + event, fn);
+  }
+}

node_modules/mocha/lib/reporters/index.js

@@ -0,0 +1,19 @@
+// Alias exports to a their normalized format Mocha#reporter to prevent a need
+// for dynamic (try/catch) requires, which Browserify doesn't handle.
+exports.Base = exports.base = require('./base');
+exports.Dot = exports.dot = require('./dot');
+exports.Doc = exports.doc = require('./doc');
+exports.TAP = exports.tap = require('./tap');
+exports.JSON = exports.json = require('./json');
+exports.HTML = exports.html = require('./html');
+exports.List = exports.list = require('./list');
+exports.Min = exports.min = require('./min');
+exports.Spec = exports.spec = require('./spec');
+exports.Nyan = exports.nyan = require('./nyan');
+exports.XUnit = exports.xunit = require('./xunit');
+exports.Markdown = exports.markdown = require('./markdown');
+exports.Progress = exports.progress = require('./progress');
+exports.Landing = exports.landing = require('./landing');
+exports.JSONCov = exports['json-cov'] = require('./json-cov');
+exports.HTMLCov = exports['html-cov'] = require('./html-cov');
+exports.JSONStream = exports['json-stream'] = require('./json-stream');

node_modules/mocha/lib/reporters/json-cov.js

@@ -0,0 +1,151 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+
+/**
+ * Expose `JSONCov`.
+ */
+
+exports = module.exports = JSONCov;
+
+/**
+ * Initialize a new `JsCoverage` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ * @param {boolean} output
+ */
+function JSONCov(runner, output) {
+  Base.call(this, runner);
+
+  output = arguments.length === 1 || output;
+  var self = this;
+  var tests = [];
+  var failures = [];
+  var passes = [];
+
+  runner.on('test end', function(test) {
+    tests.push(test);
+  });
+
+  runner.on('pass', function(test) {
+    passes.push(test);
+  });
+
+  runner.on('fail', function(test) {
+    failures.push(test);
+  });
+
+  runner.on('end', function() {
+    var cov = global._$jscoverage || {};
+    var result = self.cov = map(cov);
+    result.stats = self.stats;
+    result.tests = tests.map(clean);
+    result.failures = failures.map(clean);
+    result.passes = passes.map(clean);
+    if (!output) {
+      return;
+    }
+    process.stdout.write(JSON.stringify(result, null, 2));
+  });
+}
+
+/**
+ * Map jscoverage data to a JSON structure
+ * suitable for reporting.
+ *
+ * @api private
+ * @param {Object} cov
+ * @return {Object}
+ */
+
+function map(cov) {
+  var ret = {
+    instrumentation: 'node-jscoverage',
+    sloc: 0,
+    hits: 0,
+    misses: 0,
+    coverage: 0,
+    files: []
+  };
+
+  for (var filename in cov) {
+    if (Object.prototype.hasOwnProperty.call(cov, filename)) {
+      var data = coverage(filename, cov[filename]);
+      ret.files.push(data);
+      ret.hits += data.hits;
+      ret.misses += data.misses;
+      ret.sloc += data.sloc;
+    }
+  }
+
+  ret.files.sort(function(a, b) {
+    return a.filename.localeCompare(b.filename);
+  });
+
+  if (ret.sloc > 0) {
+    ret.coverage = (ret.hits / ret.sloc) * 100;
+  }
+
+  return ret;
+}
+
+/**
+ * Map jscoverage data for a single source file
+ * to a JSON structure suitable for reporting.
+ *
+ * @api private
+ * @param {string} filename name of the source file
+ * @param {Object} data jscoverage coverage data
+ * @return {Object}
+ */
+function coverage(filename, data) {
+  var ret = {
+    filename: filename,
+    coverage: 0,
+    hits: 0,
+    misses: 0,
+    sloc: 0,
+    source: {}
+  };
+
+  data.source.forEach(function(line, num) {
+    num++;
+
+    if (data[num] === 0) {
+      ret.misses++;
+      ret.sloc++;
+    } else if (data[num] !== undefined) {
+      ret.hits++;
+      ret.sloc++;
+    }
+
+    ret.source[num] = {
+      source: line,
+      coverage: data[num] === undefined ? '' : data[num]
+    };
+  });
+
+  ret.coverage = ret.hits / ret.sloc * 100;
+
+  return ret;
+}
+
+/**
+ * Return a plain-object representation of `test`
+ * free of cyclic properties etc.
+ *
+ * @api private
+ * @param {Object} test
+ * @return {Object}
+ */
+function clean(test) {
+  return {
+    duration: test.duration,
+    currentRetry: test.currentRetry(),
+    fullTitle: test.fullTitle(),
+    title: test.title
+  };
+}

node_modules/mocha/lib/reporters/json-stream.js

@@ -0,0 +1,60 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+
+/**
+ * Expose `List`.
+ */
+
+exports = module.exports = List;
+
+/**
+ * Initialize a new `List` test reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function List(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var total = runner.total;
+
+  runner.on('start', function() {
+    console.log(JSON.stringify(['start', { total: total }]));
+  });
+
+  runner.on('pass', function(test) {
+    console.log(JSON.stringify(['pass', clean(test)]));
+  });
+
+  runner.on('fail', function(test, err) {
+    test = clean(test);
+    test.err = err.message;
+    test.stack = err.stack || null;
+    console.log(JSON.stringify(['fail', test]));
+  });
+
+  runner.on('end', function() {
+    process.stdout.write(JSON.stringify(['end', self.stats]));
+  });
+}
+
+/**
+ * Return a plain-object representation of `test`
+ * free of cyclic properties etc.
+ *
+ * @api private
+ * @param {Object} test
+ * @return {Object}
+ */
+function clean(test) {
+  return {
+    title: test.title,
+    fullTitle: test.fullTitle(),
+    duration: test.duration,
+    currentRetry: test.currentRetry()
+  };
+}

node_modules/mocha/lib/reporters/json.js

@@ -0,0 +1,90 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+
+/**
+ * Expose `JSON`.
+ */
+
+exports = module.exports = JSONReporter;
+
+/**
+ * Initialize a new `JSON` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function JSONReporter(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var tests = [];
+  var pending = [];
+  var failures = [];
+  var passes = [];
+
+  runner.on('test end', function(test) {
+    tests.push(test);
+  });
+
+  runner.on('pass', function(test) {
+    passes.push(test);
+  });
+
+  runner.on('fail', function(test) {
+    failures.push(test);
+  });
+
+  runner.on('pending', function(test) {
+    pending.push(test);
+  });
+
+  runner.on('end', function() {
+    var obj = {
+      stats: self.stats,
+      tests: tests.map(clean),
+      pending: pending.map(clean),
+      failures: failures.map(clean),
+      passes: passes.map(clean)
+    };
+
+    runner.testResults = obj;
+
+    process.stdout.write(JSON.stringify(obj, null, 2));
+  });
+}
+
+/**
+ * Return a plain-object representation of `test`
+ * free of cyclic properties etc.
+ *
+ * @api private
+ * @param {Object} test
+ * @return {Object}
+ */
+function clean(test) {
+  return {
+    title: test.title,
+    fullTitle: test.fullTitle(),
+    duration: test.duration,
+    currentRetry: test.currentRetry(),
+    err: errorJSON(test.err || {})
+  };
+}
+
+/**
+ * Transform `error` into a JSON object.
+ *
+ * @api private
+ * @param {Error} err
+ * @return {Object}
+ */
+function errorJSON(err) {
+  var res = {};
+  Object.getOwnPropertyNames(err).forEach(function(key) {
+    res[key] = err[key];
+  }, err);
+  return res;
+}

node_modules/mocha/lib/reporters/landing.js

@@ -0,0 +1,92 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+var cursor = Base.cursor;
+var color = Base.color;
+
+/**
+ * Expose `Landing`.
+ */
+
+exports = module.exports = Landing;
+
+/**
+ * Airplane color.
+ */
+
+Base.colors.plane = 0;
+
+/**
+ * Airplane crash color.
+ */
+
+Base.colors['plane crash'] = 31;
+
+/**
+ * Runway color.
+ */
+
+Base.colors.runway = 90;
+
+/**
+ * Initialize a new `Landing` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function Landing(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var width = Base.window.width * .75 | 0;
+  var total = runner.total;
+  var stream = process.stdout;
+  var plane = color('plane', '✈');
+  var crashed = -1;
+  var n = 0;
+
+  function runway() {
+    var buf = Array(width).join('-');
+    return '  ' + color('runway', buf);
+  }
+
+  runner.on('start', function() {
+    stream.write('\n\n\n  ');
+    cursor.hide();
+  });
+
+  runner.on('test end', function(test) {
+    // check if the plane crashed
+    var col = crashed === -1 ? width * ++n / total | 0 : crashed;
+
+    // show the crash
+    if (test.state === 'failed') {
+      plane = color('plane crash', '✈');
+      crashed = col;
+    }
+
+    // render landing strip
+    stream.write('\u001b[' + (width + 1) + 'D\u001b[2A');
+    stream.write(runway());
+    stream.write('\n  ');
+    stream.write(color('runway', Array(col).join('⋅')));
+    stream.write(plane);
+    stream.write(color('runway', Array(width - col).join('⋅') + '\n'));
+    stream.write(runway());
+    stream.write('\u001b[0m');
+  });
+
+  runner.on('end', function() {
+    cursor.show();
+    console.log();
+    self.epilogue();
+  });
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(Landing, Base);

node_modules/mocha/lib/reporters/list.js

@@ -0,0 +1,61 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+var color = Base.color;
+var cursor = Base.cursor;
+
+/**
+ * Expose `List`.
+ */
+
+exports = module.exports = List;
+
+/**
+ * Initialize a new `List` test reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function List(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var n = 0;
+
+  runner.on('start', function() {
+    console.log();
+  });
+
+  runner.on('test', function(test) {
+    process.stdout.write(color('pass', '    ' + test.fullTitle() + ': '));
+  });
+
+  runner.on('pending', function(test) {
+    var fmt = color('checkmark', '  -')
+      + color('pending', ' %s');
+    console.log(fmt, test.fullTitle());
+  });
+
+  runner.on('pass', function(test) {
+    var fmt = color('checkmark', '  ' + Base.symbols.dot)
+      + color('pass', ' %s: ')
+      + color(test.speed, '%dms');
+    cursor.CR();
+    console.log(fmt, test.fullTitle(), test.duration);
+  });
+
+  runner.on('fail', function(test) {
+    cursor.CR();
+    console.log(color('fail', '  %d) %s'), ++n, test.fullTitle());
+  });
+
+  runner.on('end', self.epilogue.bind(self));
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(List, Base);

node_modules/mocha/lib/reporters/markdown.js

@@ -0,0 +1,97 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var utils = require('../utils');
+
+/**
+ * Constants
+ */
+
+var SUITE_PREFIX = '$';
+
+/**
+ * Expose `Markdown`.
+ */
+
+exports = module.exports = Markdown;
+
+/**
+ * Initialize a new `Markdown` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function Markdown(runner) {
+  Base.call(this, runner);
+
+  var level = 0;
+  var buf = '';
+
+  function title(str) {
+    return Array(level).join('#') + ' ' + str;
+  }
+
+  function mapTOC(suite, obj) {
+    var ret = obj;
+    var key = SUITE_PREFIX + suite.title;
+
+    obj = obj[key] = obj[key] || { suite: suite };
+    suite.suites.forEach(function(suite) {
+      mapTOC(suite, obj);
+    });
+
+    return ret;
+  }
+
+  function stringifyTOC(obj, level) {
+    ++level;
+    var buf = '';
+    var link;
+    for (var key in obj) {
+      if (key === 'suite') {
+        continue;
+      }
+      if (key !== SUITE_PREFIX) {
+        link = ' - [' + key.substring(1) + ']';
+        link += '(#' + utils.slug(obj[key].suite.fullTitle()) + ')\n';
+        buf += Array(level).join('  ') + link;
+      }
+      buf += stringifyTOC(obj[key], level);
+    }
+    return buf;
+  }
+
+  function generateTOC(suite) {
+    var obj = mapTOC(suite, {});
+    return stringifyTOC(obj, 0);
+  }
+
+  generateTOC(runner.suite);
+
+  runner.on('suite', function(suite) {
+    ++level;
+    var slug = utils.slug(suite.fullTitle());
+    buf += '<a name="' + slug + '"></a>' + '\n';
+    buf += title(suite.title) + '\n';
+  });
+
+  runner.on('suite end', function() {
+    --level;
+  });
+
+  runner.on('pass', function(test) {
+    var code = utils.clean(test.body);
+    buf += test.title + '.\n';
+    buf += '\n```js\n';
+    buf += code + '\n';
+    buf += '```\n\n';
+  });
+
+  runner.on('end', function() {
+    process.stdout.write('# TOC\n');
+    process.stdout.write(generateTOC(runner.suite));
+    process.stdout.write(buf);
+  });
+}

node_modules/mocha/lib/reporters/min.js

@@ -0,0 +1,36 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+
+/**
+ * Expose `Min`.
+ */
+
+exports = module.exports = Min;
+
+/**
+ * Initialize a new `Min` minimal test reporter (best used with --watch).
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function Min(runner) {
+  Base.call(this, runner);
+
+  runner.on('start', function() {
+    // clear screen
+    process.stdout.write('\u001b[2J');
+    // set cursor position
+    process.stdout.write('\u001b[1;3H');
+  });
+
+  runner.on('end', this.epilogue.bind(this));
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(Min, Base);

node_modules/mocha/lib/reporters/nyan.js

@@ -0,0 +1,261 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+
+/**
+ * Expose `Dot`.
+ */
+
+exports = module.exports = NyanCat;
+
+/**
+ * Initialize a new `Dot` matrix test reporter.
+ *
+ * @param {Runner} runner
+ * @api public
+ */
+
+function NyanCat(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var width = Base.window.width * .75 | 0;
+  var nyanCatWidth = this.nyanCatWidth = 11;
+
+  this.colorIndex = 0;
+  this.numberOfLines = 4;
+  this.rainbowColors = self.generateColors();
+  this.scoreboardWidth = 5;
+  this.tick = 0;
+  this.trajectories = [[], [], [], []];
+  this.trajectoryWidthMax = (width - nyanCatWidth);
+
+  runner.on('start', function() {
+    Base.cursor.hide();
+    self.draw();
+  });
+
+  runner.on('pending', function() {
+    self.draw();
+  });
+
+  runner.on('pass', function() {
+    self.draw();
+  });
+
+  runner.on('fail', function() {
+    self.draw();
+  });
+
+  runner.on('end', function() {
+    Base.cursor.show();
+    for (var i = 0; i < self.numberOfLines; i++) {
+      write('\n');
+    }
+    self.epilogue();
+  });
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(NyanCat, Base);
+
+/**
+ * Draw the nyan cat
+ *
+ * @api private
+ */
+
+NyanCat.prototype.draw = function() {
+  this.appendRainbow();
+  this.drawScoreboard();
+  this.drawRainbow();
+  this.drawNyanCat();
+  this.tick = !this.tick;
+};
+
+/**
+ * Draw the "scoreboard" showing the number
+ * of passes, failures and pending tests.
+ *
+ * @api private
+ */
+
+NyanCat.prototype.drawScoreboard = function() {
+  var stats = this.stats;
+
+  function draw(type, n) {
+    write(' ');
+    write(Base.color(type, n));
+    write('\n');
+  }
+
+  draw('green', stats.passes);
+  draw('fail', stats.failures);
+  draw('pending', stats.pending);
+  write('\n');
+
+  this.cursorUp(this.numberOfLines);
+};
+
+/**
+ * Append the rainbow.
+ *
+ * @api private
+ */
+
+NyanCat.prototype.appendRainbow = function() {
+  var segment = this.tick ? '_' : '-';
+  var rainbowified = this.rainbowify(segment);
+
+  for (var index = 0; index < this.numberOfLines; index++) {
+    var trajectory = this.trajectories[index];
+    if (trajectory.length >= this.trajectoryWidthMax) {
+      trajectory.shift();
+    }
+    trajectory.push(rainbowified);
+  }
+};
+
+/**
+ * Draw the rainbow.
+ *
+ * @api private
+ */
+
+NyanCat.prototype.drawRainbow = function() {
+  var self = this;
+
+  this.trajectories.forEach(function(line) {
+    write('\u001b[' + self.scoreboardWidth + 'C');
+    write(line.join(''));
+    write('\n');
+  });
+
+  this.cursorUp(this.numberOfLines);
+};
+
+/**
+ * Draw the nyan cat
+ *
+ * @api private
+ */
+NyanCat.prototype.drawNyanCat = function() {
+  var self = this;
+  var startWidth = this.scoreboardWidth + this.trajectories[0].length;
+  var dist = '\u001b[' + startWidth + 'C';
+  var padding = '';
+
+  write(dist);
+  write('_,------,');
+  write('\n');
+
+  write(dist);
+  padding = self.tick ? '  ' : '   ';
+  write('_|' + padding + '/\\_/\\ ');
+  write('\n');
+
+  write(dist);
+  padding = self.tick ? '_' : '__';
+  var tail = self.tick ? '~' : '^';
+  write(tail + '|' + padding + this.face() + ' ');
+  write('\n');
+
+  write(dist);
+  padding = self.tick ? ' ' : '  ';
+  write(padding + '""  "" ');
+  write('\n');
+
+  this.cursorUp(this.numberOfLines);
+};
+
+/**
+ * Draw nyan cat face.
+ *
+ * @api private
+ * @return {string}
+ */
+
+NyanCat.prototype.face = function() {
+  var stats = this.stats;
+  if (stats.failures) {
+    return '( x .x)';
+  } else if (stats.pending) {
+    return '( o .o)';
+  } else if (stats.passes) {
+    return '( ^ .^)';
+  }
+  return '( - .-)';
+};
+
+/**
+ * Move cursor up `n`.
+ *
+ * @api private
+ * @param {number} n
+ */
+
+NyanCat.prototype.cursorUp = function(n) {
+  write('\u001b[' + n + 'A');
+};
+
+/**
+ * Move cursor down `n`.
+ *
+ * @api private
+ * @param {number} n
+ */
+
+NyanCat.prototype.cursorDown = function(n) {
+  write('\u001b[' + n + 'B');
+};
+
+/**
+ * Generate rainbow colors.
+ *
+ * @api private
+ * @return {Array}
+ */
+NyanCat.prototype.generateColors = function() {
+  var colors = [];
+
+  for (var i = 0; i < (6 * 7); i++) {
+    var pi3 = Math.floor(Math.PI / 3);
+    var n = (i * (1.0 / 6));
+    var r = Math.floor(3 * Math.sin(n) + 3);
+    var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3);
+    var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3);
+    colors.push(36 * r + 6 * g + b + 16);
+  }
+
+  return colors;
+};
+
+/**
+ * Apply rainbow to the given `str`.
+ *
+ * @api private
+ * @param {string} str
+ * @return {string}
+ */
+NyanCat.prototype.rainbowify = function(str) {
+  if (!Base.useColors) {
+    return str;
+  }
+  var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length];
+  this.colorIndex += 1;
+  return '\u001b[38;5;' + color + 'm' + str + '\u001b[0m';
+};
+
+/**
+ * Stdout helper.
+ *
+ * @param {string} string A message to write to stdout.
+ */
+function write(string) {
+  process.stdout.write(string);
+}

node_modules/mocha/lib/reporters/progress.js

@@ -0,0 +1,89 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+var color = Base.color;
+var cursor = Base.cursor;
+
+/**
+ * Expose `Progress`.
+ */
+
+exports = module.exports = Progress;
+
+/**
+ * General progress bar color.
+ */
+
+Base.colors.progress = 90;
+
+/**
+ * Initialize a new `Progress` bar test reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ * @param {Object} options
+ */
+function Progress(runner, options) {
+  Base.call(this, runner);
+
+  var self = this;
+  var width = Base.window.width * .50 | 0;
+  var total = runner.total;
+  var complete = 0;
+  var lastN = -1;
+
+  // default chars
+  options = options || {};
+  options.open = options.open || '[';
+  options.complete = options.complete || '▬';
+  options.incomplete = options.incomplete || Base.symbols.dot;
+  options.close = options.close || ']';
+  options.verbose = false;
+
+  // tests started
+  runner.on('start', function() {
+    console.log();
+    cursor.hide();
+  });
+
+  // tests complete
+  runner.on('test end', function() {
+    complete++;
+
+    var percent = complete / total;
+    var n = width * percent | 0;
+    var i = width - n;
+
+    if (n === lastN && !options.verbose) {
+      // Don't re-render the line if it hasn't changed
+      return;
+    }
+    lastN = n;
+
+    cursor.CR();
+    process.stdout.write('\u001b[J');
+    process.stdout.write(color('progress', '  ' + options.open));
+    process.stdout.write(Array(n).join(options.complete));
+    process.stdout.write(Array(i).join(options.incomplete));
+    process.stdout.write(color('progress', options.close));
+    if (options.verbose) {
+      process.stdout.write(color('progress', ' ' + complete + ' of ' + total));
+    }
+  });
+
+  // tests are complete, output some stats
+  // and the failures if any
+  runner.on('end', function() {
+    cursor.show();
+    console.log();
+    self.epilogue();
+  });
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(Progress, Base);

node_modules/mocha/lib/reporters/spec.js

@@ -0,0 +1,83 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var inherits = require('../utils').inherits;
+var color = Base.color;
+var cursor = Base.cursor;
+
+/**
+ * Expose `Spec`.
+ */
+
+exports = module.exports = Spec;
+
+/**
+ * Initialize a new `Spec` test reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function Spec(runner) {
+  Base.call(this, runner);
+
+  var self = this;
+  var indents = 0;
+  var n = 0;
+
+  function indent() {
+    return Array(indents).join('  ');
+  }
+
+  runner.on('start', function() {
+    console.log();
+  });
+
+  runner.on('suite', function(suite) {
+    ++indents;
+    console.log(color('suite', '%s%s'), indent(), suite.title);
+  });
+
+  runner.on('suite end', function() {
+    --indents;
+    if (indents === 1) {
+      console.log();
+    }
+  });
+
+  runner.on('pending', function(test) {
+    var fmt = indent() + color('pending', '  - %s');
+    console.log(fmt, test.title);
+  });
+
+  runner.on('pass', function(test) {
+    var fmt;
+    if (test.speed === 'fast') {
+      fmt = indent()
+        + color('checkmark', '  ' + Base.symbols.ok)
+        + color('pass', ' %s');
+      cursor.CR();
+      console.log(fmt, test.title);
+    } else {
+      fmt = indent()
+        + color('checkmark', '  ' + Base.symbols.ok)
+        + color('pass', ' %s')
+        + color(test.speed, ' (%dms)');
+      cursor.CR();
+      console.log(fmt, test.title, test.duration);
+    }
+  });
+
+  runner.on('fail', function(test) {
+    cursor.CR();
+    console.log(indent() + color('fail', '  %d) %s'), ++n, test.title);
+  });
+
+  runner.on('end', self.epilogue.bind(self));
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(Spec, Base);

node_modules/mocha/lib/reporters/tap.js

@@ -0,0 +1,68 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+
+/**
+ * Expose `TAP`.
+ */
+
+exports = module.exports = TAP;
+
+/**
+ * Initialize a new `TAP` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function TAP(runner) {
+  Base.call(this, runner);
+
+  var n = 1;
+  var passes = 0;
+  var failures = 0;
+
+  runner.on('start', function() {
+    var total = runner.grepTotal(runner.suite);
+    console.log('%d..%d', 1, total);
+  });
+
+  runner.on('test end', function() {
+    ++n;
+  });
+
+  runner.on('pending', function(test) {
+    console.log('ok %d %s # SKIP -', n, title(test));
+  });
+
+  runner.on('pass', function(test) {
+    passes++;
+    console.log('ok %d %s', n, title(test));
+  });
+
+  runner.on('fail', function(test, err) {
+    failures++;
+    console.log('not ok %d %s', n, title(test));
+    if (err.stack) {
+      console.log(err.stack.replace(/^/gm, '  '));
+    }
+  });
+
+  runner.on('end', function() {
+    console.log('# tests ' + (passes + failures));
+    console.log('# pass ' + passes);
+    console.log('# fail ' + failures);
+  });
+}
+
+/**
+ * Return a TAP-safe title of `test`
+ *
+ * @api private
+ * @param {Object} test
+ * @return {String}
+ */
+function title(test) {
+  return test.fullTitle().replace(/#/g, '');
+}

node_modules/mocha/lib/reporters/templates/coverage.jade

@@ -0,0 +1,51 @@
+doctype html
+html
+  head
+    title Coverage
+    meta(charset='utf-8')
+    include script.html
+    include style.html
+  body
+    #coverage
+      h1#overview Coverage
+      include menu
+
+      #stats(class=coverageClass(cov.coverage))
+        .percentage #{cov.coverage | 0}%
+        .sloc= cov.sloc
+        .hits= cov.hits
+        .misses= cov.misses
+
+      #files
+        for file in cov.files
+          .file
+            h2(id=file.filename)= file.filename
+            #stats(class=coverageClass(file.coverage))
+              .percentage #{file.coverage | 0}%
+              .sloc= file.sloc
+              .hits= file.hits
+              .misses= file.misses
+
+            table#source
+              thead
+                tr
+                  th Line
+                  th Hits
+                  th Source
+              tbody
+                for line, number in file.source
+                  if line.coverage > 0
+                    tr.hit
+                      td.line= number
+                      td.hits= line.coverage
+                      td.source= line.source
+                  else if 0 === line.coverage
+                    tr.miss
+                      td.line= number
+                      td.hits 0
+                      td.source= line.source
+                  else
+                    tr
+                      td.line= number
+                      td.hits
+                      td.source= line.source || ' '

node_modules/mocha/lib/reporters/templates/menu.jade

@@ -0,0 +1,13 @@
+#menu
+  li
+    a(href='#overview') overview
+  for file in cov.files
+    li
+      span.cov(class=coverageClass(file.coverage)) #{file.coverage | 0}
+      a(href='##{file.filename}')
+        segments = file.filename.split('/')
+        basename = segments.pop()
+        if segments.length
+          span.dirname= segments.join('/') + '/'
+        span.basename= basename
+  a#logo(href='http://mochajs.org/') m

node_modules/mocha/lib/reporters/templates/script.html

@@ -0,0 +1,34 @@
+<script>
+
+headings = [];
+
+onload = function(){
+  headings = document.querySelectorAll('h2');
+};
+
+onscroll = function(e){
+  var heading = find(window.scrollY);
+  if (!heading) return;
+  var links = document.querySelectorAll('#menu a')
+    , link;
+
+  for (var i = 0, len = links.length; i < len; ++i) {
+    link = links[i];
+    link.className = link.getAttribute('href') == '#' + heading.id
+      ? 'active'
+      : '';
+  }
+};
+
+function find(y) {
+  var i = headings.length
+    , heading;
+
+  while (i--) {
+    heading = headings[i];
+    if (y >= heading.offsetTop) {
+      return heading;
+    }
+  }
+}
+</script>

node_modules/mocha/lib/reporters/xunit.js

@@ -0,0 +1,166 @@
+/**
+ * Module dependencies.
+ */
+
+var Base = require('./base');
+var utils = require('../utils');
+var inherits = utils.inherits;
+var fs = require('fs');
+var escape = utils.escape;
+var mkdirp = require('mkdirp');
+var path = require('path');
+
+/**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+
+/* eslint-disable no-unused-vars, no-native-reassign */
+var Date = global.Date;
+var setTimeout = global.setTimeout;
+var setInterval = global.setInterval;
+var clearTimeout = global.clearTimeout;
+var clearInterval = global.clearInterval;
+/* eslint-enable no-unused-vars, no-native-reassign */
+
+/**
+ * Expose `XUnit`.
+ */
+
+exports = module.exports = XUnit;
+
+/**
+ * Initialize a new `XUnit` reporter.
+ *
+ * @api public
+ * @param {Runner} runner
+ */
+function XUnit(runner, options) {
+  Base.call(this, runner);
+
+  var stats = this.stats;
+  var tests = [];
+  var self = this;
+
+  if (options.reporterOptions && options.reporterOptions.output) {
+    if (!fs.createWriteStream) {
+      throw new Error('file output not supported in browser');
+    }
+    mkdirp.sync(path.dirname(options.reporterOptions.output));
+    self.fileStream = fs.createWriteStream(options.reporterOptions.output);
+  }
+
+  runner.on('pending', function(test) {
+    tests.push(test);
+  });
+
+  runner.on('pass', function(test) {
+    tests.push(test);
+  });
+
+  runner.on('fail', function(test) {
+    tests.push(test);
+  });
+
+  runner.on('end', function() {
+    self.write(tag('testsuite', {
+      name: 'Mocha Tests',
+      tests: stats.tests,
+      failures: stats.failures,
+      errors: stats.failures,
+      skipped: stats.tests - stats.failures - stats.passes,
+      timestamp: (new Date()).toUTCString(),
+      time: (stats.duration / 1000) || 0
+    }, false));
+
+    tests.forEach(function(t) {
+      self.test(t);
+    });
+
+    self.write('</testsuite>');
+  });
+}
+
+/**
+ * Inherit from `Base.prototype`.
+ */
+inherits(XUnit, Base);
+
+/**
+ * Override done to close the stream (if it's a file).
+ *
+ * @param failures
+ * @param {Function} fn
+ */
+XUnit.prototype.done = function(failures, fn) {
+  if (this.fileStream) {
+    this.fileStream.end(function() {
+      fn(failures);
+    });
+  } else {
+    fn(failures);
+  }
+};
+
+/**
+ * Write out the given line.
+ *
+ * @param {string} line
+ */
+XUnit.prototype.write = function(line) {
+  if (this.fileStream) {
+    this.fileStream.write(line + '\n');
+  } else if (typeof process === 'object' && process.stdout) {
+    process.stdout.write(line + '\n');
+  } else {
+    console.log(line);
+  }
+};
+
+/**
+ * Output tag for the given `test.`
+ *
+ * @param {Test} test
+ */
+XUnit.prototype.test = function(test) {
+  var attrs = {
+    classname: test.parent.fullTitle(),
+    name: test.title,
+    time: (test.duration / 1000) || 0
+  };
+
+  if (test.state === 'failed') {
+    var err = test.err;
+    this.write(tag('testcase', attrs, false, tag('failure', {}, false, escape(err.message) + '\n' + escape(err.stack))));
+  } else if (test.isPending()) {
+    this.write(tag('testcase', attrs, false, tag('skipped', {}, true)));
+  } else {
+    this.write(tag('testcase', attrs, true));
+  }
+};
+
+/**
+ * HTML tag helper.
+ *
+ * @param name
+ * @param attrs
+ * @param close
+ * @param content
+ * @return {string}
+ */
+function tag(name, attrs, close, content) {
+  var end = close ? '/>' : '>';
+  var pairs = [];
+  var tag;
+
+  for (var key in attrs) {
+    if (Object.prototype.hasOwnProperty.call(attrs, key)) {
+      pairs.push(key + '="' + escape(attrs[key]) + '"');
+    }
+  }
+
+  tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end;
+  if (content) {
+    tag += content + '</' + name + end;
+  }
+  return tag;
+}

node_modules/mocha/lib/runnable.js

@@ -0,0 +1,363 @@
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter;
+var Pending = require('./pending');
+var debug = require('debug')('mocha:runnable');
+var milliseconds = require('./ms');
+var utils = require('./utils');
+var inherits = utils.inherits;
+
+/**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+
+/* eslint-disable no-unused-vars, no-native-reassign */
+var Date = global.Date;
+var setTimeout = global.setTimeout;
+var setInterval = global.setInterval;
+var clearTimeout = global.clearTimeout;
+var clearInterval = global.clearInterval;
+/* eslint-enable no-unused-vars, no-native-reassign */
+
+/**
+ * Object#toString().
+ */
+
+var toString = Object.prototype.toString;
+
+/**
+ * Expose `Runnable`.
+ */
+
+module.exports = Runnable;
+
+/**
+ * Initialize a new `Runnable` with the given `title` and callback `fn`.
+ *
+ * @param {String} title
+ * @param {Function} fn
+ * @api private
+ * @param {string} title
+ * @param {Function} fn
+ */
+function Runnable(title, fn) {
+  this.title = title;
+  this.fn = fn;
+  this.body = (fn || '').toString();
+  this.async = fn && fn.length;
+  this.sync = !this.async;
+  this._timeout = 2000;
+  this._slow = 75;
+  this._enableTimeouts = true;
+  this.timedOut = false;
+  this._trace = new Error('done() called multiple times');
+  this._retries = -1;
+  this._currentRetry = 0;
+  this.pending = false;
+}
+
+/**
+ * Inherit from `EventEmitter.prototype`.
+ */
+inherits(Runnable, EventEmitter);
+
+/**
+ * Set & get timeout `ms`.
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Runnable|number} ms or Runnable instance.
+ */
+Runnable.prototype.timeout = function(ms) {
+  if (!arguments.length) {
+    return this._timeout;
+  }
+  if (ms === 0) {
+    this._enableTimeouts = false;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('timeout %d', ms);
+  this._timeout = ms;
+  if (this.timer) {
+    this.resetTimeout();
+  }
+  return this;
+};
+
+/**
+ * Set & get slow `ms`.
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Runnable|number} ms or Runnable instance.
+ */
+Runnable.prototype.slow = function(ms) {
+  if (!arguments.length) {
+    return this._slow;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('timeout %d', ms);
+  this._slow = ms;
+  return this;
+};
+
+/**
+ * Set and get whether timeout is `enabled`.
+ *
+ * @api private
+ * @param {boolean} enabled
+ * @return {Runnable|boolean} enabled or Runnable instance.
+ */
+Runnable.prototype.enableTimeouts = function(enabled) {
+  if (!arguments.length) {
+    return this._enableTimeouts;
+  }
+  debug('enableTimeouts %s', enabled);
+  this._enableTimeouts = enabled;
+  return this;
+};
+
+/**
+ * Halt and mark as pending.
+ *
+ * @api public
+ */
+Runnable.prototype.skip = function() {
+  throw new Pending();
+};
+
+/**
+ * Check if this runnable or its parent suite is marked as pending.
+ *
+ * @api private
+ */
+Runnable.prototype.isPending = function() {
+  return this.pending || (this.parent && this.parent.isPending());
+};
+
+/**
+ * Set number of retries.
+ *
+ * @api private
+ */
+Runnable.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this._retries;
+  }
+  this._retries = n;
+};
+
+/**
+ * Get current retry
+ *
+ * @api private
+ */
+Runnable.prototype.currentRetry = function(n) {
+  if (!arguments.length) {
+    return this._currentRetry;
+  }
+  this._currentRetry = n;
+};
+
+/**
+ * Return the full title generated by recursively concatenating the parent's
+ * full title.
+ *
+ * @api public
+ * @return {string}
+ */
+Runnable.prototype.fullTitle = function() {
+  return this.parent.fullTitle() + ' ' + this.title;
+};
+
+/**
+ * Clear the timeout.
+ *
+ * @api private
+ */
+Runnable.prototype.clearTimeout = function() {
+  clearTimeout(this.timer);
+};
+
+/**
+ * Inspect the runnable void of private properties.
+ *
+ * @api private
+ * @return {string}
+ */
+Runnable.prototype.inspect = function() {
+  return JSON.stringify(this, function(key, val) {
+    if (key[0] === '_') {
+      return;
+    }
+    if (key === 'parent') {
+      return '#<Suite>';
+    }
+    if (key === 'ctx') {
+      return '#<Context>';
+    }
+    return val;
+  }, 2);
+};
+
+/**
+ * Reset the timeout.
+ *
+ * @api private
+ */
+Runnable.prototype.resetTimeout = function() {
+  var self = this;
+  var ms = this.timeout() || 1e9;
+
+  if (!this._enableTimeouts) {
+    return;
+  }
+  this.clearTimeout();
+  this.timer = setTimeout(function() {
+    if (!self._enableTimeouts) {
+      return;
+    }
+    self.callback(new Error('timeout of ' + ms + 'ms exceeded. Ensure the done() callback is being called in this test.'));
+    self.timedOut = true;
+  }, ms);
+};
+
+/**
+ * Whitelist a list of globals for this test run.
+ *
+ * @api private
+ * @param {string[]} globals
+ */
+Runnable.prototype.globals = function(globals) {
+  if (!arguments.length) {
+    return this._allowedGlobals;
+  }
+  this._allowedGlobals = globals;
+};
+
+/**
+ * Run the test and invoke `fn(err)`.
+ *
+ * @param {Function} fn
+ * @api private
+ */
+Runnable.prototype.run = function(fn) {
+  var self = this;
+  var start = new Date();
+  var ctx = this.ctx;
+  var finished;
+  var emitted;
+
+  // Sometimes the ctx exists, but it is not runnable
+  if (ctx && ctx.runnable) {
+    ctx.runnable(this);
+  }
+
+  // called multiple times
+  function multiple(err) {
+    if (emitted) {
+      return;
+    }
+    emitted = true;
+    self.emit('error', err || new Error('done() called multiple times; stacktrace may be inaccurate'));
+  }
+
+  // finished
+  function done(err) {
+    var ms = self.timeout();
+    if (self.timedOut) {
+      return;
+    }
+    if (finished) {
+      return multiple(err || self._trace);
+    }
+
+    self.clearTimeout();
+    self.duration = new Date() - start;
+    finished = true;
+    if (!err && self.duration > ms && self._enableTimeouts) {
+      err = new Error('timeout of ' + ms + 'ms exceeded. Ensure the done() callback is being called in this test.');
+    }
+    fn(err);
+  }
+
+  // for .resetTimeout()
+  this.callback = done;
+
+  // explicit async with `done` argument
+  if (this.async) {
+    this.resetTimeout();
+
+    if (this.allowUncaught) {
+      return callFnAsync(this.fn);
+    }
+    try {
+      callFnAsync(this.fn);
+    } catch (err) {
+      done(utils.getError(err));
+    }
+    return;
+  }
+
+  if (this.allowUncaught) {
+    callFn(this.fn);
+    done();
+    return;
+  }
+
+  // sync or promise-returning
+  try {
+    if (this.isPending()) {
+      done();
+    } else {
+      callFn(this.fn);
+    }
+  } catch (err) {
+    done(utils.getError(err));
+  }
+
+  function callFn(fn) {
+    var result = fn.call(ctx);
+    if (result && typeof result.then === 'function') {
+      self.resetTimeout();
+      result
+        .then(function() {
+          done();
+          // Return null so libraries like bluebird do not warn about
+          // subsequently constructed Promises.
+          return null;
+        },
+        function(reason) {
+          done(reason || new Error('Promise rejected with no or falsy reason'));
+        });
+    } else {
+      if (self.asyncOnly) {
+        return done(new Error('--async-only option in use without declaring `done()` or returning a promise'));
+      }
+
+      done();
+    }
+  }
+
+  function callFnAsync(fn) {
+    fn.call(ctx, function(err) {
+      if (err instanceof Error || toString.call(err) === '[object Error]') {
+        return done(err);
+      }
+      if (err) {
+        if (Object.prototype.toString.call(err) === '[object Object]') {
+          return done(new Error('done() invoked with non-Error: '
+            + JSON.stringify(err)));
+        }
+        return done(new Error('done() invoked with non-Error: ' + err));
+      }
+      done();
+    });
+  }
+};

node_modules/mocha/lib/runner.js

@@ -0,0 +1,894 @@
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter;
+var Pending = require('./pending');
+var utils = require('./utils');
+var inherits = utils.inherits;
+var debug = require('debug')('mocha:runner');
+var Runnable = require('./runnable');
+var filter = utils.filter;
+var indexOf = utils.indexOf;
+var keys = utils.keys;
+var stackFilter = utils.stackTraceFilter();
+var stringify = utils.stringify;
+var type = utils.type;
+var undefinedError = utils.undefinedError;
+var isArray = utils.isArray;
+
+/**
+ * Non-enumerable globals.
+ */
+
+var globals = [
+  'setTimeout',
+  'clearTimeout',
+  'setInterval',
+  'clearInterval',
+  'XMLHttpRequest',
+  'Date',
+  'setImmediate',
+  'clearImmediate'
+];
+
+/**
+ * Expose `Runner`.
+ */
+
+module.exports = Runner;
+
+/**
+ * Initialize a `Runner` for the given `suite`.
+ *
+ * Events:
+ *
+ *   - `start`  execution started
+ *   - `end`  execution complete
+ *   - `suite`  (suite) test suite execution started
+ *   - `suite end`  (suite) all tests (and sub-suites) have finished
+ *   - `test`  (test) test execution started
+ *   - `test end`  (test) test completed
+ *   - `hook`  (hook) hook execution started
+ *   - `hook end`  (hook) hook complete
+ *   - `pass`  (test) test passed
+ *   - `fail`  (test, err) test failed
+ *   - `pending`  (test) test pending
+ *
+ * @api public
+ * @param {Suite} suite Root suite
+ * @param {boolean} [delay] Whether or not to delay execution of root suite
+ * until ready.
+ */
+function Runner(suite, delay) {
+  var self = this;
+  this._globals = [];
+  this._abort = false;
+  this._delay = delay;
+  this.suite = suite;
+  this.started = false;
+  this.total = suite.total();
+  this.failures = 0;
+  this.on('test end', function(test) {
+    self.checkGlobals(test);
+  });
+  this.on('hook end', function(hook) {
+    self.checkGlobals(hook);
+  });
+  this._defaultGrep = /.*/;
+  this.grep(this._defaultGrep);
+  this.globals(this.globalProps().concat(extraGlobals()));
+}
+
+/**
+ * Wrapper for setImmediate, process.nextTick, or browser polyfill.
+ *
+ * @param {Function} fn
+ * @api private
+ */
+Runner.immediately = global.setImmediate || process.nextTick;
+
+/**
+ * Inherit from `EventEmitter.prototype`.
+ */
+inherits(Runner, EventEmitter);
+
+/**
+ * Run tests with full titles matching `re`. Updates runner.total
+ * with number of tests matched.
+ *
+ * @param {RegExp} re
+ * @param {Boolean} invert
+ * @return {Runner} for chaining
+ * @api public
+ * @param {RegExp} re
+ * @param {boolean} invert
+ * @return {Runner} Runner instance.
+ */
+Runner.prototype.grep = function(re, invert) {
+  debug('grep %s', re);
+  this._grep = re;
+  this._invert = invert;
+  this.total = this.grepTotal(this.suite);
+  return this;
+};
+
+/**
+ * Returns the number of tests matching the grep search for the
+ * given suite.
+ *
+ * @param {Suite} suite
+ * @return {Number}
+ * @api public
+ * @param {Suite} suite
+ * @return {number}
+ */
+Runner.prototype.grepTotal = function(suite) {
+  var self = this;
+  var total = 0;
+
+  suite.eachTest(function(test) {
+    var match = self._grep.test(test.fullTitle());
+    if (self._invert) {
+      match = !match;
+    }
+    if (match) {
+      total++;
+    }
+  });
+
+  return total;
+};
+
+/**
+ * Return a list of global properties.
+ *
+ * @return {Array}
+ * @api private
+ */
+Runner.prototype.globalProps = function() {
+  var props = keys(global);
+
+  // non-enumerables
+  for (var i = 0; i < globals.length; ++i) {
+    if (~indexOf(props, globals[i])) {
+      continue;
+    }
+    props.push(globals[i]);
+  }
+
+  return props;
+};
+
+/**
+ * Allow the given `arr` of globals.
+ *
+ * @param {Array} arr
+ * @return {Runner} for chaining
+ * @api public
+ * @param {Array} arr
+ * @return {Runner} Runner instance.
+ */
+Runner.prototype.globals = function(arr) {
+  if (!arguments.length) {
+    return this._globals;
+  }
+  debug('globals %j', arr);
+  this._globals = this._globals.concat(arr);
+  return this;
+};
+
+/**
+ * Check for global variable leaks.
+ *
+ * @api private
+ */
+Runner.prototype.checkGlobals = function(test) {
+  if (this.ignoreLeaks) {
+    return;
+  }
+  var ok = this._globals;
+
+  var globals = this.globalProps();
+  var leaks;
+
+  if (test) {
+    ok = ok.concat(test._allowedGlobals || []);
+  }
+
+  if (this.prevGlobalsLength === globals.length) {
+    return;
+  }
+  this.prevGlobalsLength = globals.length;
+
+  leaks = filterLeaks(ok, globals);
+  this._globals = this._globals.concat(leaks);
+
+  if (leaks.length > 1) {
+    this.fail(test, new Error('global leaks detected: ' + leaks.join(', ') + ''));
+  } else if (leaks.length) {
+    this.fail(test, new Error('global leak detected: ' + leaks[0]));
+  }
+};
+
+/**
+ * Fail the given `test`.
+ *
+ * @api private
+ * @param {Test} test
+ * @param {Error} err
+ */
+Runner.prototype.fail = function(test, err) {
+  ++this.failures;
+  test.state = 'failed';
+
+  if (!(err instanceof Error || err && typeof err.message === 'string')) {
+    err = new Error('the ' + type(err) + ' ' + stringify(err) + ' was thrown, throw an Error :)');
+  }
+
+  err.stack = (this.fullStackTrace || !err.stack)
+    ? err.stack
+    : stackFilter(err.stack);
+
+  this.emit('fail', test, err);
+};
+
+/**
+ * Fail the given `hook` with `err`.
+ *
+ * Hook failures work in the following pattern:
+ * - If bail, then exit
+ * - Failed `before` hook skips all tests in a suite and subsuites,
+ *   but jumps to corresponding `after` hook
+ * - Failed `before each` hook skips remaining tests in a
+ *   suite and jumps to corresponding `after each` hook,
+ *   which is run only once
+ * - Failed `after` hook does not alter
+ *   execution order
+ * - Failed `after each` hook skips remaining tests in a
+ *   suite and subsuites, but executes other `after each`
+ *   hooks
+ *
+ * @api private
+ * @param {Hook} hook
+ * @param {Error} err
+ */
+Runner.prototype.failHook = function(hook, err) {
+  if (hook.ctx && hook.ctx.currentTest) {
+    hook.originalTitle = hook.originalTitle || hook.title;
+    hook.title = hook.originalTitle + ' for "' + hook.ctx.currentTest.title + '"';
+  }
+
+  this.fail(hook, err);
+  if (this.suite.bail()) {
+    this.emit('end');
+  }
+};
+
+/**
+ * Run hook `name` callbacks and then invoke `fn()`.
+ *
+ * @api private
+ * @param {string} name
+ * @param {Function} fn
+ */
+
+Runner.prototype.hook = function(name, fn) {
+  var suite = this.suite;
+  var hooks = suite['_' + name];
+  var self = this;
+
+  function next(i) {
+    var hook = hooks[i];
+    if (!hook) {
+      return fn();
+    }
+    self.currentRunnable = hook;
+
+    hook.ctx.currentTest = self.test;
+
+    self.emit('hook', hook);
+
+    if (!hook.listeners('error').length) {
+      hook.on('error', function(err) {
+        self.failHook(hook, err);
+      });
+    }
+
+    hook.run(function(err) {
+      var testError = hook.error();
+      if (testError) {
+        self.fail(self.test, testError);
+      }
+      if (err) {
+        if (err instanceof Pending) {
+          suite.pending = true;
+        } else {
+          self.failHook(hook, err);
+
+          // stop executing hooks, notify callee of hook err
+          return fn(err);
+        }
+      }
+      self.emit('hook end', hook);
+      delete hook.ctx.currentTest;
+      next(++i);
+    });
+  }
+
+  Runner.immediately(function() {
+    next(0);
+  });
+};
+
+/**
+ * Run hook `name` for the given array of `suites`
+ * in order, and callback `fn(err, errSuite)`.
+ *
+ * @api private
+ * @param {string} name
+ * @param {Array} suites
+ * @param {Function} fn
+ */
+Runner.prototype.hooks = function(name, suites, fn) {
+  var self = this;
+  var orig = this.suite;
+
+  function next(suite) {
+    self.suite = suite;
+
+    if (!suite) {
+      self.suite = orig;
+      return fn();
+    }
+
+    self.hook(name, function(err) {
+      if (err) {
+        var errSuite = self.suite;
+        self.suite = orig;
+        return fn(err, errSuite);
+      }
+
+      next(suites.pop());
+    });
+  }
+
+  next(suites.pop());
+};
+
+/**
+ * Run hooks from the top level down.
+ *
+ * @param {String} name
+ * @param {Function} fn
+ * @api private
+ */
+Runner.prototype.hookUp = function(name, fn) {
+  var suites = [this.suite].concat(this.parents()).reverse();
+  this.hooks(name, suites, fn);
+};
+
+/**
+ * Run hooks from the bottom up.
+ *
+ * @param {String} name
+ * @param {Function} fn
+ * @api private
+ */
+Runner.prototype.hookDown = function(name, fn) {
+  var suites = [this.suite].concat(this.parents());
+  this.hooks(name, suites, fn);
+};
+
+/**
+ * Return an array of parent Suites from
+ * closest to furthest.
+ *
+ * @return {Array}
+ * @api private
+ */
+Runner.prototype.parents = function() {
+  var suite = this.suite;
+  var suites = [];
+  while (suite.parent) {
+    suite = suite.parent;
+    suites.push(suite);
+  }
+  return suites;
+};
+
+/**
+ * Run the current test and callback `fn(err)`.
+ *
+ * @param {Function} fn
+ * @api private
+ */
+Runner.prototype.runTest = function(fn) {
+  var self = this;
+  var test = this.test;
+
+  if (this.asyncOnly) {
+    test.asyncOnly = true;
+  }
+
+  if (this.allowUncaught) {
+    test.allowUncaught = true;
+    return test.run(fn);
+  }
+  try {
+    test.on('error', function(err) {
+      self.fail(test, err);
+    });
+    test.run(fn);
+  } catch (err) {
+    fn(err);
+  }
+};
+
+/**
+ * Run tests in the given `suite` and invoke the callback `fn()` when complete.
+ *
+ * @api private
+ * @param {Suite} suite
+ * @param {Function} fn
+ */
+Runner.prototype.runTests = function(suite, fn) {
+  var self = this;
+  var tests = suite.tests.slice();
+  var test;
+
+  function hookErr(_, errSuite, after) {
+    // before/after Each hook for errSuite failed:
+    var orig = self.suite;
+
+    // for failed 'after each' hook start from errSuite parent,
+    // otherwise start from errSuite itself
+    self.suite = after ? errSuite.parent : errSuite;
+
+    if (self.suite) {
+      // call hookUp afterEach
+      self.hookUp('afterEach', function(err2, errSuite2) {
+        self.suite = orig;
+        // some hooks may fail even now
+        if (err2) {
+          return hookErr(err2, errSuite2, true);
+        }
+        // report error suite
+        fn(errSuite);
+      });
+    } else {
+      // there is no need calling other 'after each' hooks
+      self.suite = orig;
+      fn(errSuite);
+    }
+  }
+
+  function next(err, errSuite) {
+    // if we bail after first err
+    if (self.failures && suite._bail) {
+      return fn();
+    }
+
+    if (self._abort) {
+      return fn();
+    }
+
+    if (err) {
+      return hookErr(err, errSuite, true);
+    }
+
+    // next test
+    test = tests.shift();
+
+    // all done
+    if (!test) {
+      return fn();
+    }
+
+    // grep
+    var match = self._grep.test(test.fullTitle());
+    if (self._invert) {
+      match = !match;
+    }
+    if (!match) {
+      // Run immediately only if we have defined a grep. When we
+      // define a grep — It can cause maximum callstack error if
+      // the grep is doing a large recursive loop by neglecting
+      // all tests. The run immediately function also comes with
+      // a performance cost. So we don't want to run immediately
+      // if we run the whole test suite, because running the whole
+      // test suite don't do any immediate recursive loops. Thus,
+      // allowing a JS runtime to breathe.
+      if (self._grep !== self._defaultGrep) {
+        Runner.immediately(next);
+      } else {
+        next();
+      }
+      return;
+    }
+
+    if (test.isPending()) {
+      self.emit('pending', test);
+      self.emit('test end', test);
+      return next();
+    }
+
+    // execute test and hook(s)
+    self.emit('test', self.test = test);
+    self.hookDown('beforeEach', function(err, errSuite) {
+      if (suite.isPending()) {
+        self.emit('pending', test);
+        self.emit('test end', test);
+        return next();
+      }
+      if (err) {
+        return hookErr(err, errSuite, false);
+      }
+      self.currentRunnable = self.test;
+      self.runTest(function(err) {
+        test = self.test;
+        if (err) {
+          var retry = test.currentRetry();
+          if (err instanceof Pending) {
+            test.pending = true;
+            self.emit('pending', test);
+          } else if (retry < test.retries()) {
+            var clonedTest = test.clone();
+            clonedTest.currentRetry(retry + 1);
+            tests.unshift(clonedTest);
+
+            // Early return + hook trigger so that it doesn't
+            // increment the count wrong
+            return self.hookUp('afterEach', next);
+          } else {
+            self.fail(test, err);
+          }
+          self.emit('test end', test);
+
+          if (err instanceof Pending) {
+            return next();
+          }
+
+          return self.hookUp('afterEach', next);
+        }
+
+        test.state = 'passed';
+        self.emit('pass', test);
+        self.emit('test end', test);
+        self.hookUp('afterEach', next);
+      });
+    });
+  }
+
+  this.next = next;
+  this.hookErr = hookErr;
+  next();
+};
+
+/**
+ * Run the given `suite` and invoke the callback `fn()` when complete.
+ *
+ * @api private
+ * @param {Suite} suite
+ * @param {Function} fn
+ */
+Runner.prototype.runSuite = function(suite, fn) {
+  var i = 0;
+  var self = this;
+  var total = this.grepTotal(suite);
+  var afterAllHookCalled = false;
+
+  debug('run suite %s', suite.fullTitle());
+
+  if (!total || (self.failures && suite._bail)) {
+    return fn();
+  }
+
+  this.emit('suite', this.suite = suite);
+
+  function next(errSuite) {
+    if (errSuite) {
+      // current suite failed on a hook from errSuite
+      if (errSuite === suite) {
+        // if errSuite is current suite
+        // continue to the next sibling suite
+        return done();
+      }
+      // errSuite is among the parents of current suite
+      // stop execution of errSuite and all sub-suites
+      return done(errSuite);
+    }
+
+    if (self._abort) {
+      return done();
+    }
+
+    var curr = suite.suites[i++];
+    if (!curr) {
+      return done();
+    }
+
+    // Avoid grep neglecting large number of tests causing a
+    // huge recursive loop and thus a maximum call stack error.
+    // See comment in `this.runTests()` for more information.
+    if (self._grep !== self._defaultGrep) {
+      Runner.immediately(function() {
+        self.runSuite(curr, next);
+      });
+    } else {
+      self.runSuite(curr, next);
+    }
+  }
+
+  function done(errSuite) {
+    self.suite = suite;
+    self.nextSuite = next;
+
+    if (afterAllHookCalled) {
+      fn(errSuite);
+    } else {
+      // mark that the afterAll block has been called once
+      // and so can be skipped if there is an error in it.
+      afterAllHookCalled = true;
+
+      // remove reference to test
+      delete self.test;
+
+      self.hook('afterAll', function() {
+        self.emit('suite end', suite);
+        fn(errSuite);
+      });
+    }
+  }
+
+  this.nextSuite = next;
+
+  this.hook('beforeAll', function(err) {
+    if (err) {
+      return done();
+    }
+    self.runTests(suite, next);
+  });
+};
+
+/**
+ * Handle uncaught exceptions.
+ *
+ * @param {Error} err
+ * @api private
+ */
+Runner.prototype.uncaught = function(err) {
+  if (err) {
+    debug('uncaught exception %s', err !== function() {
+      return this;
+    }.call(err) ? err : (err.message || err));
+  } else {
+    debug('uncaught undefined exception');
+    err = undefinedError();
+  }
+  err.uncaught = true;
+
+  var runnable = this.currentRunnable;
+
+  if (!runnable) {
+    runnable = new Runnable('Uncaught error outside test suite');
+    runnable.parent = this.suite;
+
+    if (this.started) {
+      this.fail(runnable, err);
+    } else {
+      // Can't recover from this failure
+      this.emit('start');
+      this.fail(runnable, err);
+      this.emit('end');
+    }
+
+    return;
+  }
+
+  runnable.clearTimeout();
+
+  // Ignore errors if complete
+  if (runnable.state) {
+    return;
+  }
+  this.fail(runnable, err);
+
+  // recover from test
+  if (runnable.type === 'test') {
+    this.emit('test end', runnable);
+    this.hookUp('afterEach', this.next);
+    return;
+  }
+
+ // recover from hooks
+  if (runnable.type === 'hook') {
+    var errSuite = this.suite;
+    // if hook failure is in afterEach block
+    if (runnable.fullTitle().indexOf('after each') > -1) {
+      return this.hookErr(err, errSuite, true);
+    }
+    // if hook failure is in beforeEach block
+    if (runnable.fullTitle().indexOf('before each') > -1) {
+      return this.hookErr(err, errSuite, false);
+    }
+    // if hook failure is in after or before blocks
+    return this.nextSuite(errSuite);
+  }
+
+  // bail
+  this.emit('end');
+};
+
+/**
+ * Cleans up the references to all the deferred functions
+ * (before/after/beforeEach/afterEach) and tests of a Suite.
+ * These must be deleted otherwise a memory leak can happen,
+ * as those functions may reference variables from closures,
+ * thus those variables can never be garbage collected as long
+ * as the deferred functions exist.
+ *
+ * @param {Suite} suite
+ */
+function cleanSuiteReferences(suite) {
+  function cleanArrReferences(arr) {
+    for (var i = 0; i < arr.length; i++) {
+      delete arr[i].fn;
+    }
+  }
+
+  if (isArray(suite._beforeAll)) {
+    cleanArrReferences(suite._beforeAll);
+  }
+
+  if (isArray(suite._beforeEach)) {
+    cleanArrReferences(suite._beforeEach);
+  }
+
+  if (isArray(suite._afterAll)) {
+    cleanArrReferences(suite._afterAll);
+  }
+
+  if (isArray(suite._afterEach)) {
+    cleanArrReferences(suite._afterEach);
+  }
+
+  for (var i = 0; i < suite.tests.length; i++) {
+    delete suite.tests[i].fn;
+  }
+}
+
+/**
+ * Run the root suite and invoke `fn(failures)`
+ * on completion.
+ *
+ * @param {Function} fn
+ * @return {Runner} for chaining
+ * @api public
+ * @param {Function} fn
+ * @return {Runner} Runner instance.
+ */
+Runner.prototype.run = function(fn) {
+  var self = this;
+  var rootSuite = this.suite;
+
+  fn = fn || function() {};
+
+  function uncaught(err) {
+    self.uncaught(err);
+  }
+
+  function start() {
+    self.started = true;
+    self.emit('start');
+    self.runSuite(rootSuite, function() {
+      debug('finished running');
+      self.emit('end');
+    });
+  }
+
+  debug('start');
+
+  // references cleanup to avoid memory leaks
+  this.on('suite end', cleanSuiteReferences);
+
+  // callback
+  this.on('end', function() {
+    debug('end');
+    process.removeListener('uncaughtException', uncaught);
+    fn(self.failures);
+  });
+
+  // uncaught exception
+  process.on('uncaughtException', uncaught);
+
+  if (this._delay) {
+    // for reporters, I guess.
+    // might be nice to debounce some dots while we wait.
+    this.emit('waiting', rootSuite);
+    rootSuite.once('run', start);
+  } else {
+    start();
+  }
+
+  return this;
+};
+
+/**
+ * Cleanly abort execution.
+ *
+ * @api public
+ * @return {Runner} Runner instance.
+ */
+Runner.prototype.abort = function() {
+  debug('aborting');
+  this._abort = true;
+
+  return this;
+};
+
+/**
+ * Filter leaks with the given globals flagged as `ok`.
+ *
+ * @api private
+ * @param {Array} ok
+ * @param {Array} globals
+ * @return {Array}
+ */
+function filterLeaks(ok, globals) {
+  return filter(globals, function(key) {
+    // Firefox and Chrome exposes iframes as index inside the window object
+    if (/^d+/.test(key)) {
+      return false;
+    }
+
+    // in firefox
+    // if runner runs in an iframe, this iframe's window.getInterface method not init at first
+    // it is assigned in some seconds
+    if (global.navigator && (/^getInterface/).test(key)) {
+      return false;
+    }
+
+    // an iframe could be approached by window[iframeIndex]
+    // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak
+    if (global.navigator && (/^\d+/).test(key)) {
+      return false;
+    }
+
+    // Opera and IE expose global variables for HTML element IDs (issue #243)
+    if (/^mocha-/.test(key)) {
+      return false;
+    }
+
+    var matched = filter(ok, function(ok) {
+      if (~ok.indexOf('*')) {
+        return key.indexOf(ok.split('*')[0]) === 0;
+      }
+      return key === ok;
+    });
+    return !matched.length && (!global.navigator || key !== 'onerror');
+  });
+}
+
+/**
+ * Array of globals dependent on the environment.
+ *
+ * @return {Array}
+ * @api private
+ */
+function extraGlobals() {
+  if (typeof process === 'object' && typeof process.version === 'string') {
+    var parts = process.version.split('.');
+    var nodeVersion = utils.reduce(parts, function(a, v) {
+      return a << 8 | v;
+    });
+
+    // 'errno' was renamed to process._errno in v0.9.11.
+
+    if (nodeVersion < 0x00090B) {
+      return ['errno'];
+    }
+  }
+
+  return [];
+}

node_modules/mocha/lib/suite.js

@@ -0,0 +1,395 @@
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter;
+var Hook = require('./hook');
+var utils = require('./utils');
+var inherits = utils.inherits;
+var debug = require('debug')('mocha:suite');
+var milliseconds = require('./ms');
+
+/**
+ * Expose `Suite`.
+ */
+
+exports = module.exports = Suite;
+
+/**
+ * Create a new `Suite` with the given `title` and parent `Suite`. When a suite
+ * with the same title is already present, that suite is returned to provide
+ * nicer reporter and more flexible meta-testing.
+ *
+ * @api public
+ * @param {Suite} parent
+ * @param {string} title
+ * @return {Suite}
+ */
+exports.create = function(parent, title) {
+  var suite = new Suite(title, parent.ctx);
+  suite.parent = parent;
+  title = suite.fullTitle();
+  parent.addSuite(suite);
+  return suite;
+};
+
+/**
+ * Initialize a new `Suite` with the given `title` and `ctx`.
+ *
+ * @api private
+ * @param {string} title
+ * @param {Context} parentContext
+ */
+function Suite(title, parentContext) {
+  this.title = title;
+  function Context() {}
+  Context.prototype = parentContext;
+  this.ctx = new Context();
+  this.suites = [];
+  this.tests = [];
+  this.pending = false;
+  this._beforeEach = [];
+  this._beforeAll = [];
+  this._afterEach = [];
+  this._afterAll = [];
+  this.root = !title;
+  this._timeout = 2000;
+  this._enableTimeouts = true;
+  this._slow = 75;
+  this._bail = false;
+  this._retries = -1;
+  this.delayed = false;
+}
+
+/**
+ * Inherit from `EventEmitter.prototype`.
+ */
+inherits(Suite, EventEmitter);
+
+/**
+ * Return a clone of this `Suite`.
+ *
+ * @api private
+ * @return {Suite}
+ */
+Suite.prototype.clone = function() {
+  var suite = new Suite(this.title);
+  debug('clone');
+  suite.ctx = this.ctx;
+  suite.timeout(this.timeout());
+  suite.retries(this.retries());
+  suite.enableTimeouts(this.enableTimeouts());
+  suite.slow(this.slow());
+  suite.bail(this.bail());
+  return suite;
+};
+
+/**
+ * Set timeout `ms` or short-hand such as "2s".
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Suite|number} for chaining
+ */
+Suite.prototype.timeout = function(ms) {
+  if (!arguments.length) {
+    return this._timeout;
+  }
+  if (ms.toString() === '0') {
+    this._enableTimeouts = false;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('timeout %d', ms);
+  this._timeout = parseInt(ms, 10);
+  return this;
+};
+
+/**
+ * Set number of times to retry a failed test.
+ *
+ * @api private
+ * @param {number|string} n
+ * @return {Suite|number} for chaining
+ */
+Suite.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this._retries;
+  }
+  debug('retries %d', n);
+  this._retries = parseInt(n, 10) || 0;
+  return this;
+};
+
+/**
+  * Set timeout to `enabled`.
+  *
+  * @api private
+  * @param {boolean} enabled
+  * @return {Suite|boolean} self or enabled
+  */
+Suite.prototype.enableTimeouts = function(enabled) {
+  if (!arguments.length) {
+    return this._enableTimeouts;
+  }
+  debug('enableTimeouts %s', enabled);
+  this._enableTimeouts = enabled;
+  return this;
+};
+
+/**
+ * Set slow `ms` or short-hand such as "2s".
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Suite|number} for chaining
+ */
+Suite.prototype.slow = function(ms) {
+  if (!arguments.length) {
+    return this._slow;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('slow %d', ms);
+  this._slow = ms;
+  return this;
+};
+
+/**
+ * Sets whether to bail after first error.
+ *
+ * @api private
+ * @param {boolean} bail
+ * @return {Suite|number} for chaining
+ */
+Suite.prototype.bail = function(bail) {
+  if (!arguments.length) {
+    return this._bail;
+  }
+  debug('bail %s', bail);
+  this._bail = bail;
+  return this;
+};
+
+/**
+ * Check if this suite or its parent suite is marked as pending.
+ *
+ * @api private
+ */
+Suite.prototype.isPending = function() {
+  return this.pending || (this.parent && this.parent.isPending());
+};
+
+/**
+ * Run `fn(test[, done])` before running tests.
+ *
+ * @api private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+Suite.prototype.beforeAll = function(title, fn) {
+  if (this.isPending()) {
+    return this;
+  }
+  if (typeof title === 'function') {
+    fn = title;
+    title = fn.name;
+  }
+  title = '"before all" hook' + (title ? ': ' + title : '');
+
+  var hook = new Hook(title, fn);
+  hook.parent = this;
+  hook.timeout(this.timeout());
+  hook.retries(this.retries());
+  hook.enableTimeouts(this.enableTimeouts());
+  hook.slow(this.slow());
+  hook.ctx = this.ctx;
+  this._beforeAll.push(hook);
+  this.emit('beforeAll', hook);
+  return this;
+};
+
+/**
+ * Run `fn(test[, done])` after running tests.
+ *
+ * @api private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+Suite.prototype.afterAll = function(title, fn) {
+  if (this.isPending()) {
+    return this;
+  }
+  if (typeof title === 'function') {
+    fn = title;
+    title = fn.name;
+  }
+  title = '"after all" hook' + (title ? ': ' + title : '');
+
+  var hook = new Hook(title, fn);
+  hook.parent = this;
+  hook.timeout(this.timeout());
+  hook.retries(this.retries());
+  hook.enableTimeouts(this.enableTimeouts());
+  hook.slow(this.slow());
+  hook.ctx = this.ctx;
+  this._afterAll.push(hook);
+  this.emit('afterAll', hook);
+  return this;
+};
+
+/**
+ * Run `fn(test[, done])` before each test case.
+ *
+ * @api private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+Suite.prototype.beforeEach = function(title, fn) {
+  if (this.isPending()) {
+    return this;
+  }
+  if (typeof title === 'function') {
+    fn = title;
+    title = fn.name;
+  }
+  title = '"before each" hook' + (title ? ': ' + title : '');
+
+  var hook = new Hook(title, fn);
+  hook.parent = this;
+  hook.timeout(this.timeout());
+  hook.retries(this.retries());
+  hook.enableTimeouts(this.enableTimeouts());
+  hook.slow(this.slow());
+  hook.ctx = this.ctx;
+  this._beforeEach.push(hook);
+  this.emit('beforeEach', hook);
+  return this;
+};
+
+/**
+ * Run `fn(test[, done])` after each test case.
+ *
+ * @api private
+ * @param {string} title
+ * @param {Function} fn
+ * @return {Suite} for chaining
+ */
+Suite.prototype.afterEach = function(title, fn) {
+  if (this.isPending()) {
+    return this;
+  }
+  if (typeof title === 'function') {
+    fn = title;
+    title = fn.name;
+  }
+  title = '"after each" hook' + (title ? ': ' + title : '');
+
+  var hook = new Hook(title, fn);
+  hook.parent = this;
+  hook.timeout(this.timeout());
+  hook.retries(this.retries());
+  hook.enableTimeouts(this.enableTimeouts());
+  hook.slow(this.slow());
+  hook.ctx = this.ctx;
+  this._afterEach.push(hook);
+  this.emit('afterEach', hook);
+  return this;
+};
+
+/**
+ * Add a test `suite`.
+ *
+ * @api private
+ * @param {Suite} suite
+ * @return {Suite} for chaining
+ */
+Suite.prototype.addSuite = function(suite) {
+  suite.parent = this;
+  suite.timeout(this.timeout());
+  suite.retries(this.retries());
+  suite.enableTimeouts(this.enableTimeouts());
+  suite.slow(this.slow());
+  suite.bail(this.bail());
+  this.suites.push(suite);
+  this.emit('suite', suite);
+  return this;
+};
+
+/**
+ * Add a `test` to this suite.
+ *
+ * @api private
+ * @param {Test} test
+ * @return {Suite} for chaining
+ */
+Suite.prototype.addTest = function(test) {
+  test.parent = this;
+  test.timeout(this.timeout());
+  test.retries(this.retries());
+  test.enableTimeouts(this.enableTimeouts());
+  test.slow(this.slow());
+  test.ctx = this.ctx;
+  this.tests.push(test);
+  this.emit('test', test);
+  return this;
+};
+
+/**
+ * Return the full title generated by recursively concatenating the parent's
+ * full title.
+ *
+ * @api public
+ * @return {string}
+ */
+Suite.prototype.fullTitle = function() {
+  if (this.parent) {
+    var full = this.parent.fullTitle();
+    if (full) {
+      return full + ' ' + this.title;
+    }
+  }
+  return this.title;
+};
+
+/**
+ * Return the total number of tests.
+ *
+ * @api public
+ * @return {number}
+ */
+Suite.prototype.total = function() {
+  return utils.reduce(this.suites, function(sum, suite) {
+    return sum + suite.total();
+  }, 0) + this.tests.length;
+};
+
+/**
+ * Iterates through each suite recursively to find all tests. Applies a
+ * function in the format `fn(test)`.
+ *
+ * @api private
+ * @param {Function} fn
+ * @return {Suite}
+ */
+Suite.prototype.eachTest = function(fn) {
+  utils.forEach(this.tests, fn);
+  utils.forEach(this.suites, function(suite) {
+    suite.eachTest(fn);
+  });
+  return this;
+};
+
+/**
+ * This will run the root suite if we happen to be running in delayed mode.
+ */
+Suite.prototype.run = function run() {
+  if (this.root) {
+    this.emit('run');
+  }
+};

node_modules/mocha/lib/template.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Mocha</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="mocha.css" />
+  </head>
+  <body>
+    <div id="mocha"></div>
+    <script src="mocha.js"></script>
+    <script>mocha.setup('bdd');</script>
+    <script src="tests.js"></script>
+    <script>
+      mocha.run();
+    </script>
+  </body>
+</html>

node_modules/mocha/lib/test.js

@@ -0,0 +1,44 @@
+/**
+ * Module dependencies.
+ */
+
+var Runnable = require('./runnable');
+var inherits = require('./utils').inherits;
+
+/**
+ * Expose `Test`.
+ */
+
+module.exports = Test;
+
+/**
+ * Initialize a new `Test` with the given `title` and callback `fn`.
+ *
+ * @api private
+ * @param {String} title
+ * @param {Function} fn
+ */
+function Test(title, fn) {
+  Runnable.call(this, title, fn);
+  this.pending = !fn;
+  this.type = 'test';
+}
+
+/**
+ * Inherit from `Runnable.prototype`.
+ */
+inherits(Test, Runnable);
+
+Test.prototype.clone = function() {
+  var test = new Test(this.title, this.fn);
+  test.timeout(this.timeout());
+  test.slow(this.slow());
+  test.enableTimeouts(this.enableTimeouts());
+  test.retries(this.retries());
+  test.currentRetry(this.currentRetry());
+  test.globals(this.globals());
+  test.parent = this.parent;
+  test.file = this.file;
+  test.ctx = this.ctx;
+  return test;
+};

node_modules/mocha/lib/utils.js

@@ -0,0 +1,750 @@
+/* eslint-env browser */
+
+/**
+ * Module dependencies.
+ */
+
+var basename = require('path').basename;
+var debug = require('debug')('mocha:watch');
+var exists = require('fs').existsSync || require('path').existsSync;
+var glob = require('glob');
+var join = require('path').join;
+var readdirSync = require('fs').readdirSync;
+var statSync = require('fs').statSync;
+var watchFile = require('fs').watchFile;
+var toISOString = require('to-iso-string');
+
+/**
+ * Ignored directories.
+ */
+
+var ignore = ['node_modules', '.git'];
+
+exports.inherits = require('util').inherits;
+
+/**
+ * Escape special characters in the given string of html.
+ *
+ * @api private
+ * @param  {string} html
+ * @return {string}
+ */
+exports.escape = function(html) {
+  return String(html)
+    .replace(/&/g, '&')
+    .replace(/"/g, '"')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;');
+};
+
+/**
+ * Array#forEach (<=IE8)
+ *
+ * @api private
+ * @param {Array} arr
+ * @param {Function} fn
+ * @param {Object} scope
+ */
+exports.forEach = function(arr, fn, scope) {
+  for (var i = 0, l = arr.length; i < l; i++) {
+    fn.call(scope, arr[i], i);
+  }
+};
+
+/**
+ * Test if the given obj is type of string.
+ *
+ * @api private
+ * @param {Object} obj
+ * @return {boolean}
+ */
+exports.isString = function(obj) {
+  return typeof obj === 'string';
+};
+
+/**
+ * Array#map (<=IE8)
+ *
+ * @api private
+ * @param {Array} arr
+ * @param {Function} fn
+ * @param {Object} scope
+ * @return {Array}
+ */
+exports.map = function(arr, fn, scope) {
+  var result = [];
+  for (var i = 0, l = arr.length; i < l; i++) {
+    result.push(fn.call(scope, arr[i], i, arr));
+  }
+  return result;
+};
+
+/**
+ * Array#indexOf (<=IE8)
+ *
+ * @api private
+ * @param {Array} arr
+ * @param {Object} obj to find index of
+ * @param {number} start
+ * @return {number}
+ */
+exports.indexOf = function(arr, obj, start) {
+  for (var i = start || 0, l = arr.length; i < l; i++) {
+    if (arr[i] === obj) {
+      return i;
+    }
+  }
+  return -1;
+};
+
+/**
+ * Array#reduce (<=IE8)
+ *
+ * @api private
+ * @param {Array} arr
+ * @param {Function} fn
+ * @param {Object} val Initial value.
+ * @return {*}
+ */
+exports.reduce = function(arr, fn, val) {
+  var rval = val;
+
+  for (var i = 0, l = arr.length; i < l; i++) {
+    rval = fn(rval, arr[i], i, arr);
+  }
+
+  return rval;
+};
+
+/**
+ * Array#filter (<=IE8)
+ *
+ * @api private
+ * @param {Array} arr
+ * @param {Function} fn
+ * @return {Array}
+ */
+exports.filter = function(arr, fn) {
+  var ret = [];
+
+  for (var i = 0, l = arr.length; i < l; i++) {
+    var val = arr[i];
+    if (fn(val, i, arr)) {
+      ret.push(val);
+    }
+  }
+
+  return ret;
+};
+
+/**
+ * Object.keys (<=IE8)
+ *
+ * @api private
+ * @param {Object} obj
+ * @return {Array} keys
+ */
+exports.keys = typeof Object.keys === 'function' ? Object.keys : function(obj) {
+  var keys = [];
+  var has = Object.prototype.hasOwnProperty; // for `window` on <=IE8
+
+  for (var key in obj) {
+    if (has.call(obj, key)) {
+      keys.push(key);
+    }
+  }
+
+  return keys;
+};
+
+/**
+ * Watch the given `files` for changes
+ * and invoke `fn(file)` on modification.
+ *
+ * @api private
+ * @param {Array} files
+ * @param {Function} fn
+ */
+exports.watch = function(files, fn) {
+  var options = { interval: 100 };
+  files.forEach(function(file) {
+    debug('file %s', file);
+    watchFile(file, options, function(curr, prev) {
+      if (prev.mtime < curr.mtime) {
+        fn(file);
+      }
+    });
+  });
+};
+
+/**
+ * Array.isArray (<=IE8)
+ *
+ * @api private
+ * @param {Object} obj
+ * @return {Boolean}
+ */
+var isArray = typeof Array.isArray === 'function' ? Array.isArray : function(obj) {
+  return Object.prototype.toString.call(obj) === '[object Array]';
+};
+
+exports.isArray = isArray;
+
+/**
+ * Buffer.prototype.toJSON polyfill.
+ *
+ * @type {Function}
+ */
+if (typeof Buffer !== 'undefined' && Buffer.prototype) {
+  Buffer.prototype.toJSON = Buffer.prototype.toJSON || function() {
+    return Array.prototype.slice.call(this, 0);
+  };
+}
+
+/**
+ * Ignored files.
+ *
+ * @api private
+ * @param {string} path
+ * @return {boolean}
+ */
+function ignored(path) {
+  return !~ignore.indexOf(path);
+}
+
+/**
+ * Lookup files in the given `dir`.
+ *
+ * @api private
+ * @param {string} dir
+ * @param {string[]} [ext=['.js']]
+ * @param {Array} [ret=[]]
+ * @return {Array}
+ */
+exports.files = function(dir, ext, ret) {
+  ret = ret || [];
+  ext = ext || ['js'];
+
+  var re = new RegExp('\\.(' + ext.join('|') + ')$');
+
+  readdirSync(dir)
+    .filter(ignored)
+    .forEach(function(path) {
+      path = join(dir, path);
+      if (statSync(path).isDirectory()) {
+        exports.files(path, ext, ret);
+      } else if (path.match(re)) {
+        ret.push(path);
+      }
+    });
+
+  return ret;
+};
+
+/**
+ * Compute a slug from the given `str`.
+ *
+ * @api private
+ * @param {string} str
+ * @return {string}
+ */
+exports.slug = function(str) {
+  return str
+    .toLowerCase()
+    .replace(/ +/g, '-')
+    .replace(/[^-\w]/g, '');
+};
+
+/**
+ * Strip the function definition from `str`, and re-indent for pre whitespace.
+ *
+ * @param {string} str
+ * @return {string}
+ */
+exports.clean = function(str) {
+  str = str
+    .replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '')
+    .replace(/^function *\(.*\)\s*\{|\(.*\) *=> *\{?/, '')
+    .replace(/\s+\}$/, '');
+
+  var spaces = str.match(/^\n?( *)/)[1].length;
+  var tabs = str.match(/^\n?(\t*)/)[1].length;
+  var re = new RegExp('^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs ? tabs : spaces) + '}', 'gm');
+
+  str = str.replace(re, '');
+
+  return exports.trim(str);
+};
+
+/**
+ * Trim the given `str`.
+ *
+ * @api private
+ * @param {string} str
+ * @return {string}
+ */
+exports.trim = function(str) {
+  return str.replace(/^\s+|\s+$/g, '');
+};
+
+/**
+ * Parse the given `qs`.
+ *
+ * @api private
+ * @param {string} qs
+ * @return {Object}
+ */
+exports.parseQuery = function(qs) {
+  return exports.reduce(qs.replace('?', '').split('&'), function(obj, pair) {
+    var i = pair.indexOf('=');
+    var key = pair.slice(0, i);
+    var val = pair.slice(++i);
+
+    obj[key] = decodeURIComponent(val);
+    return obj;
+  }, {});
+};
+
+/**
+ * Highlight the given string of `js`.
+ *
+ * @api private
+ * @param {string} js
+ * @return {string}
+ */
+function highlight(js) {
+  return js
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/\/\/(.*)/gm, '<span class="comment">//$1</span>')
+    .replace(/('.*?')/gm, '<span class="string">$1</span>')
+    .replace(/(\d+\.\d+)/gm, '<span class="number">$1</span>')
+    .replace(/(\d+)/gm, '<span class="number">$1</span>')
+    .replace(/\bnew[ \t]+(\w+)/gm, '<span class="keyword">new</span> <span class="init">$1</span>')
+    .replace(/\b(function|new|throw|return|var|if|else)\b/gm, '<span class="keyword">$1</span>');
+}
+
+/**
+ * Highlight the contents of tag `name`.
+ *
+ * @api private
+ * @param {string} name
+ */
+exports.highlightTags = function(name) {
+  var code = document.getElementById('mocha').getElementsByTagName(name);
+  for (var i = 0, len = code.length; i < len; ++i) {
+    code[i].innerHTML = highlight(code[i].innerHTML);
+  }
+};
+
+/**
+ * If a value could have properties, and has none, this function is called,
+ * which returns a string representation of the empty value.
+ *
+ * Functions w/ no properties return `'[Function]'`
+ * Arrays w/ length === 0 return `'[]'`
+ * Objects w/ no properties return `'{}'`
+ * All else: return result of `value.toString()`
+ *
+ * @api private
+ * @param {*} value The value to inspect.
+ * @param {string} [type] The type of the value, if known.
+ * @returns {string}
+ */
+function emptyRepresentation(value, type) {
+  type = type || exports.type(value);
+
+  switch (type) {
+    case 'function':
+      return '[Function]';
+    case 'object':
+      return '{}';
+    case 'array':
+      return '[]';
+    default:
+      return value.toString();
+  }
+}
+
+/**
+ * Takes some variable and asks `Object.prototype.toString()` what it thinks it
+ * is.
+ *
+ * @api private
+ * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
+ * @param {*} value The value to test.
+ * @returns {string}
+ * @example
+ * type({}) // 'object'
+ * type([]) // 'array'
+ * type(1) // 'number'
+ * type(false) // 'boolean'
+ * type(Infinity) // 'number'
+ * type(null) // 'null'
+ * type(new Date()) // 'date'
+ * type(/foo/) // 'regexp'
+ * type('type') // 'string'
+ * type(global) // 'global'
+ */
+exports.type = function type(value) {
+  if (value === undefined) {
+    return 'undefined';
+  } else if (value === null) {
+    return 'null';
+  } else if (typeof Buffer !== 'undefined' && Buffer.isBuffer(value)) {
+    return 'buffer';
+  }
+  return Object.prototype.toString.call(value)
+    .replace(/^\[.+\s(.+?)\]$/, '$1')
+    .toLowerCase();
+};
+
+/**
+ * Stringify `value`. Different behavior depending on type of value:
+ *
+ * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.
+ * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.
+ * - If `value` is an *empty* object, function, or array, return result of function
+ *   {@link emptyRepresentation}.
+ * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of
+ *   JSON.stringify().
+ *
+ * @api private
+ * @see exports.type
+ * @param {*} value
+ * @return {string}
+ */
+exports.stringify = function(value) {
+  var type = exports.type(value);
+
+  if (!~exports.indexOf(['object', 'array', 'function'], type)) {
+    if (type !== 'buffer') {
+      return jsonStringify(value);
+    }
+    var json = value.toJSON();
+    // Based on the toJSON result
+    return jsonStringify(json.data && json.type ? json.data : json, 2)
+      .replace(/,(\n|$)/g, '$1');
+  }
+
+  for (var prop in value) {
+    if (Object.prototype.hasOwnProperty.call(value, prop)) {
+      return jsonStringify(exports.canonicalize(value), 2).replace(/,(\n|$)/g, '$1');
+    }
+  }
+
+  return emptyRepresentation(value, type);
+};
+
+/**
+ * like JSON.stringify but more sense.
+ *
+ * @api private
+ * @param {Object}  object
+ * @param {number=} spaces
+ * @param {number=} depth
+ * @returns {*}
+ */
+function jsonStringify(object, spaces, depth) {
+  if (typeof spaces === 'undefined') {
+    // primitive types
+    return _stringify(object);
+  }
+
+  depth = depth || 1;
+  var space = spaces * depth;
+  var str = isArray(object) ? '[' : '{';
+  var end = isArray(object) ? ']' : '}';
+  var length = typeof object.length === 'number' ? object.length : exports.keys(object).length;
+  // `.repeat()` polyfill
+  function repeat(s, n) {
+    return new Array(n).join(s);
+  }
+
+  function _stringify(val) {
+    switch (exports.type(val)) {
+      case 'null':
+      case 'undefined':
+        val = '[' + val + ']';
+        break;
+      case 'array':
+      case 'object':
+        val = jsonStringify(val, spaces, depth + 1);
+        break;
+      case 'boolean':
+      case 'regexp':
+      case 'symbol':
+      case 'number':
+        val = val === 0 && (1 / val) === -Infinity // `-0`
+          ? '-0'
+          : val.toString();
+        break;
+      case 'date':
+        var sDate;
+        if (isNaN(val.getTime())) { // Invalid date
+          sDate = val.toString();
+        } else {
+          sDate = val.toISOString ? val.toISOString() : toISOString(val);
+        }
+        val = '[Date: ' + sDate + ']';
+        break;
+      case 'buffer':
+        var json = val.toJSON();
+        // Based on the toJSON result
+        json = json.data && json.type ? json.data : json;
+        val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';
+        break;
+      default:
+        val = (val === '[Function]' || val === '[Circular]')
+          ? val
+          : JSON.stringify(val); // string
+    }
+    return val;
+  }
+
+  for (var i in object) {
+    if (!Object.prototype.hasOwnProperty.call(object, i)) {
+      continue; // not my business
+    }
+    --length;
+    str += '\n ' + repeat(' ', space)
+      + (isArray(object) ? '' : '"' + i + '": ') // key
+      + _stringify(object[i])                     // value
+      + (length ? ',' : '');                     // comma
+  }
+
+  return str
+    // [], {}
+    + (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end);
+}
+
+/**
+ * Test if a value is a buffer.
+ *
+ * @api private
+ * @param {*} value The value to test.
+ * @return {boolean} True if `value` is a buffer, otherwise false
+ */
+exports.isBuffer = function(value) {
+  return typeof Buffer !== 'undefined' && Buffer.isBuffer(value);
+};
+
+/**
+ * Return a new Thing that has the keys in sorted order. Recursive.
+ *
+ * If the Thing...
+ * - has already been seen, return string `'[Circular]'`
+ * - is `undefined`, return string `'[undefined]'`
+ * - is `null`, return value `null`
+ * - is some other primitive, return the value
+ * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method
+ * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.
+ * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`
+ *
+ * @api private
+ * @see {@link exports.stringify}
+ * @param {*} value Thing to inspect.  May or may not have properties.
+ * @param {Array} [stack=[]] Stack of seen values
+ * @return {(Object|Array|Function|string|undefined)}
+ */
+exports.canonicalize = function(value, stack) {
+  var canonicalizedObj;
+  /* eslint-disable no-unused-vars */
+  var prop;
+  /* eslint-enable no-unused-vars */
+  var type = exports.type(value);
+  function withStack(value, fn) {
+    stack.push(value);
+    fn();
+    stack.pop();
+  }
+
+  stack = stack || [];
+
+  if (exports.indexOf(stack, value) !== -1) {
+    return '[Circular]';
+  }
+
+  switch (type) {
+    case 'undefined':
+    case 'buffer':
+    case 'null':
+      canonicalizedObj = value;
+      break;
+    case 'array':
+      withStack(value, function() {
+        canonicalizedObj = exports.map(value, function(item) {
+          return exports.canonicalize(item, stack);
+        });
+      });
+      break;
+    case 'function':
+      /* eslint-disable guard-for-in */
+      for (prop in value) {
+        canonicalizedObj = {};
+        break;
+      }
+      /* eslint-enable guard-for-in */
+      if (!canonicalizedObj) {
+        canonicalizedObj = emptyRepresentation(value, type);
+        break;
+      }
+    /* falls through */
+    case 'object':
+      canonicalizedObj = canonicalizedObj || {};
+      withStack(value, function() {
+        exports.forEach(exports.keys(value).sort(), function(key) {
+          canonicalizedObj[key] = exports.canonicalize(value[key], stack);
+        });
+      });
+      break;
+    case 'date':
+    case 'number':
+    case 'regexp':
+    case 'boolean':
+    case 'symbol':
+      canonicalizedObj = value;
+      break;
+    default:
+      canonicalizedObj = value + '';
+  }
+
+  return canonicalizedObj;
+};
+
+/**
+ * Lookup file names at the given `path`.
+ *
+ * @api public
+ * @param {string} path Base path to start searching from.
+ * @param {string[]} extensions File extensions to look for.
+ * @param {boolean} recursive Whether or not to recurse into subdirectories.
+ * @return {string[]} An array of paths.
+ */
+exports.lookupFiles = function lookupFiles(path, extensions, recursive) {
+  var files = [];
+  var re = new RegExp('\\.(' + extensions.join('|') + ')$');
+
+  if (!exists(path)) {
+    if (exists(path + '.js')) {
+      path += '.js';
+    } else {
+      files = glob.sync(path);
+      if (!files.length) {
+        throw new Error("cannot resolve path (or pattern) '" + path + "'");
+      }
+      return files;
+    }
+  }
+
+  try {
+    var stat = statSync(path);
+    if (stat.isFile()) {
+      return path;
+    }
+  } catch (err) {
+    // ignore error
+    return;
+  }
+
+  readdirSync(path).forEach(function(file) {
+    file = join(path, file);
+    try {
+      var stat = statSync(file);
+      if (stat.isDirectory()) {
+        if (recursive) {
+          files = files.concat(lookupFiles(file, extensions, recursive));
+        }
+        return;
+      }
+    } catch (err) {
+      // ignore error
+      return;
+    }
+    if (!stat.isFile() || !re.test(file) || basename(file)[0] === '.') {
+      return;
+    }
+    files.push(file);
+  });
+
+  return files;
+};
+
+/**
+ * Generate an undefined error with a message warning the user.
+ *
+ * @return {Error}
+ */
+
+exports.undefinedError = function() {
+  return new Error('Caught undefined error, did you throw without specifying what?');
+};
+
+/**
+ * Generate an undefined error if `err` is not defined.
+ *
+ * @param {Error} err
+ * @return {Error}
+ */
+
+exports.getError = function(err) {
+  return err || exports.undefinedError();
+};
+
+/**
+ * @summary
+ * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`)
+ * @description
+ * When invoking this function you get a filter function that get the Error.stack as an input,
+ * and return a prettify output.
+ * (i.e: strip Mocha and internal node functions from stack trace).
+ * @returns {Function}
+ */
+exports.stackTraceFilter = function() {
+  // TODO: Replace with `process.browser`
+  var slash = '/';
+  var is = typeof document === 'undefined' ? { node: true } : { browser: true };
+  var cwd = is.node
+      ? process.cwd() + slash
+      : (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^\/]*$/, '/');
+
+  function isMochaInternal(line) {
+    return (~line.indexOf('node_modules' + slash + 'mocha' + slash))
+      || (~line.indexOf('components' + slash + 'mochajs' + slash))
+      || (~line.indexOf('components' + slash + 'mocha' + slash))
+      || (~line.indexOf(slash + 'mocha.js'));
+  }
+
+  function isNodeInternal(line) {
+    return (~line.indexOf('(timers.js:'))
+      || (~line.indexOf('(events.js:'))
+      || (~line.indexOf('(node.js:'))
+      || (~line.indexOf('(module.js:'))
+      || (~line.indexOf('GeneratorFunctionPrototype.next (native)'))
+      || false;
+  }
+
+  return function(stack) {
+    stack = stack.split('\n');
+
+    stack = exports.reduce(stack, function(list, line) {
+      if (isMochaInternal(line)) {
+        return list;
+      }
+
+      if (is.node && isNodeInternal(line)) {
+        return list;
+      }
+
+      // Clean up cwd(absolute)
+      if (/\(?.+:\d+:\d+\)?$/.test(line)) {
+        line = line.replace(cwd, '');
+      }
+
+      list.push(line);
+      return list;
+    }, []);
+
+    return stack.join('\n');
+  };
+};