define([
  './var/arr',
  './var/slice',
  './var/concat',
  './var/push',
  './var/indexOf',
  './var/class2type',
  './var/toString',
  './var/hasOwn',
  './var/support',
], function(
  arr,
  slice,
  concat,
  push,
  indexOf,
  class2type,
  toString,
  hasOwn,
  support
) {
  var // Use the correct document accordingly with window argument (sandbox)
    document = window.document,
    version = '@VERSION',
    // Define a local copy of jQuery
    jQuery = function(selector, context) {
      // The jQuery object is actually just the init constructor 'enhanced'
      // Need init if jQuery is called (just allow error to be thrown if not included)
      return new jQuery.fn.init(selector, context);
    },
    // Support: Android<4.1
    // Make sure we trim BOM and NBSP
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
    // Matches dashed string for camelizing
    rmsPrefix = /^-ms-/,
    rdashAlpha = /-([\da-z])/gi,
    // Used by jQuery.camelCase as callback to replace()
    fcamelCase = function(all, letter) {
      return letter.toUpperCase();
    };

  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: version,

    constructor: jQuery,

    // Start with an empty selector
    selector: '',

    // The default length of a jQuery object is 0
    length: 0,

    toArray: function() {
      return slice.call(this);
    },

    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function(num) {
      return num != null
        ? // Return just the one element from the set
          num < 0 ? this[num + this.length] : this[num]
        : // Return all the elements in a clean array
          slice.call(this);
    },

    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function(elems) {
      // Build a new jQuery matched element set
      var ret = jQuery.merge(this.constructor(), elems);

      // Add the old object onto the stack (as a reference)
      ret.prevObject = this;
      ret.context = this.context;

      // Return the newly-formed element set
      return ret;
    },

    // Execute a callback for every element in the matched set.
    // (You can seed the arguments with an array of args, but this is
    // only used internally.)
    each: function(callback, args) {
      return jQuery.each(this, callback, args);
    },

    map: function(callback) {
      return this.pushStack(
        jQuery.map(this, function(elem, i) {
          return callback.call(elem, i, elem);
        })
      );
    },

    slice: function() {
      return this.pushStack(slice.apply(this, arguments));
    },

    first: function() {
      return this.eq(0);
    },

    last: function() {
      return this.eq(-1);
    },

    eq: function(i) {
      var len = this.length,
        j = +i + (i < 0 ? len : 0);
      return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
    },

    end: function() {
      return this.prevObject || this.constructor(null);
    },

    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: push,
    sort: arr.sort,
    splice: arr.splice,
  };

  jQuery.extend = jQuery.fn.extend = function() {
    var options,
      name,
      src,
      copy,
      copyIsArray,
      clone,
      target = arguments[0] || {},
      i = 1,
      length = arguments.length,
      deep = false;

    // Handle a deep copy situation
    if (typeof target === 'boolean') {
      deep = target;

      // Skip the boolean and the target
      target = arguments[i] || {};
      i++;
    }

    // Handle case when target is a string or something (possible in deep copy)
    if (typeof target !== 'object' && !jQuery.isFunction(target)) {
      target = {};
    }

    // Extend jQuery itself if only one argument is passed
    if (i === length) {
      target = this;
      i--;
    }

    for (; i < length; i++) {
      // Only deal with non-null/undefined values
      if ((options = arguments[i]) != null) {
        // Extend the base object
        for (name in options) {
          src = target[name];
          copy = options[name];

          // Prevent never-ending loop
          if (target === copy) {
            continue;
          }

          // Recurse if we're merging plain objects or arrays
          if (
            deep &&
            copy &&
            (jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)))
          ) {
            if (copyIsArray) {
              copyIsArray = false;
              clone = src && jQuery.isArray(src) ? src : [];
            } else {
              clone = src && jQuery.isPlainObject(src) ? src : {};
            }

            // Never move original objects, clone them
            target[name] = jQuery.extend(deep, clone, copy);

            // Don't bring in undefined values
          } else if (copy !== undefined) {
            target[name] = copy;
          }
        }
      }
    }

    // Return the modified object
    return target;
  };

  jQuery.extend({
    // Unique for each copy of jQuery on the page
    expando: 'jQuery' + (version + Math.random()).replace(/\D/g, ''),

    // Assume jQuery is ready without the ready module
    isReady: true,

    error: function(msg) {
      throw new Error(msg);
    },

    noop: function() {},

    isFunction: function(obj) {
      return jQuery.type(obj) === 'function';
    },

    isArray: Array.isArray,

    isWindow: function(obj) {
      return obj != null && obj === obj.window;
    },

    isNumeric: function(obj) {
      // parseFloat NaNs numeric-cast false positives (null|true|false|"")
      // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
      // subtraction forces infinities to NaN
      // adding 1 corrects loss of precision from parseFloat (#15100)
      return !jQuery.isArray(obj) && obj - parseFloat(obj) + 1 >= 0;
    },

    isPlainObject: function(obj) {
      // Not plain objects:
      // - Any object or value whose internal [[Class]] property is not "[object Object]"
      // - DOM nodes
      // - window
      if (
        jQuery.type(obj) !== 'object' ||
        obj.nodeType ||
        jQuery.isWindow(obj)
      ) {
        return false;
      }

      if (
        obj.constructor &&
        !hasOwn.call(obj.constructor.prototype, 'isPrototypeOf')
      ) {
        return false;
      }

      // If the function hasn't returned already, we're confident that
      // |obj| is a plain object, created by {} or constructed with new Object
      return true;
    },

    isEmptyObject: function(obj) {
      var name;
      for (name in obj) {
        return false;
      }
      return true;
    },

    type: function(obj) {
      if (obj == null) {
        return obj + '';
      }
      // Support: Android<4.0, iOS<6 (functionish RegExp)
      return typeof obj === 'object' || typeof obj === 'function'
        ? class2type[toString.call(obj)] || 'object'
        : typeof obj;
    },

    // Evaluates a script in a global context
    globalEval: function(code) {
      var script,
        indirect = eval;

      code = jQuery.trim(code);

      if (code) {
        // If the code includes a valid, prologue position
        // strict mode pragma, execute code by injecting a
        // script tag into the document.
        if (code.indexOf('use strict') === 1) {
          script = document.createElement('script');
          script.text = code;
          document.head.appendChild(script).parentNode.removeChild(script);
        } else {
          // Otherwise, avoid the DOM node creation, insertion
          // and removal by using an indirect global eval
          indirect(code);
        }
      }
    },

    // Convert dashed to camelCase; used by the css and data modules
    // Support: IE9-11+
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function(string) {
      return string.replace(rmsPrefix, 'ms-').replace(rdashAlpha, fcamelCase);
    },

    nodeName: function(elem, name) {
      return (
        elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase()
      );
    },

    // args is for internal usage only
    each: function(obj, callback, args) {
      var value,
        i = 0,
        length = obj.length,
        isArray = isArraylike(obj);

      if (args) {
        if (isArray) {
          for (; i < length; i++) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        }

        // A special, fast, case for the most common use of each
      } else {
        if (isArray) {
          for (; i < length; i++) {
            value = callback.call(obj[i], i, obj[i]);

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.call(obj[i], i, obj[i]);

            if (value === false) {
              break;
            }
          }
        }
      }

      return obj;
    },

    // Support: Android<4.1
    trim: function(text) {
      return text == null ? '' : (text + '').replace(rtrim, '');
    },

    // results is for internal usage only
    makeArray: function(arr, results) {
      var ret = results || [];

      if (arr != null) {
        if (isArraylike(Object(arr))) {
          jQuery.merge(ret, typeof arr === 'string' ? [arr] : arr);
        } else {
          push.call(ret, arr);
        }
      }

      return ret;
    },

    inArray: function(elem, arr, i) {
      return arr == null ? -1 : indexOf.call(arr, elem, i);
    },

    merge: function(first, second) {
      var len = +second.length,
        j = 0,
        i = first.length;

      for (; j < len; j++) {
        first[i++] = second[j];
      }

      first.length = i;

      return first;
    },

    grep: function(elems, callback, invert) {
      var callbackInverse,
        matches = [],
        i = 0,
        length = elems.length,
        callbackExpect = !invert;

      // Go through the array, only saving the items
      // that pass the validator function
      for (; i < length; i++) {
        callbackInverse = !callback(elems[i], i);
        if (callbackInverse !== callbackExpect) {
          matches.push(elems[i]);
        }
      }

      return matches;
    },

    // arg is for internal usage only
    map: function(elems, callback, arg) {
      var value,
        i = 0,
        length = elems.length,
        isArray = isArraylike(elems),
        ret = [];

      // Go through the array, translating each of the items to their new values
      if (isArray) {
        for (; i < length; i++) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        }

        // Go through every key on the object,
      } else {
        for (i in elems) {
          value = callback(elems[i], i, arg);

          if (value != null) {
            ret.push(value);
          }
        }
      }

      // Flatten any nested arrays
      return concat.apply([], ret);
    },

    // A global GUID counter for objects
    guid: 1,

    // Bind a function to a context, optionally partially applying any
    // arguments.
    proxy: function(fn, context) {
      var tmp, args, proxy;

      if (typeof context === 'string') {
        tmp = fn[context];
        context = fn;
        fn = tmp;
      }

      // Quick check to determine if target is callable, in the spec
      // this throws a TypeError, but we will just return undefined.
      if (!jQuery.isFunction(fn)) {
        return undefined;
      }

      // Simulated bind
      args = slice.call(arguments, 2);
      proxy = function() {
        return fn.apply(context || this, args.concat(slice.call(arguments)));
      };

      // Set the guid of unique handler to the same of original handler, so it can be removed
      proxy.guid = fn.guid = fn.guid || jQuery.guid++;

      return proxy;
    },

    now: Date.now,

    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support,
  });

  // Populate the class2type map
  jQuery.each(
    'Boolean Number String Function Array Date RegExp Object Error'.split(' '),
    function(i, name) {
      class2type['[object ' + name + ']'] = name.toLowerCase();
    }
  );

  function isArraylike(obj) {
    // Support: iOS 8.2 (not reproducible in simulator)
    // `in` check used to prevent JIT error (gh-2145)
    // hasOwn isn't used here due to false negatives
    // regarding Nodelist length in IE
    var length = 'length' in obj && obj.length,
      type = jQuery.type(obj);

    if (type === 'function' || jQuery.isWindow(obj)) {
      return false;
    }

    if (obj.nodeType === 1 && length) {
      return true;
    }

    return (
      type === 'array' ||
      length === 0 ||
      (typeof length === 'number' && length > 0 && length - 1 in obj)
    );
  }

  return jQuery;
});
