ember-introjs/.node_modules.ember-try/jquery-deferred/lib/jquery-core.js

An Ember Component for intro.js

/**
* jQuery core object.
*
* Worker with jQuery deferred
*
* Code from: https://github.com/jquery/jquery/blob/master/src/core.js
*
*/

var jQuery = module.exports = {
	type: type
	, isArray: isArray
	, isFunction: isFunction
	, isPlainObject: isPlainObject
	, each: each
	, extend: extend
	, noop: function() {}
};

var toString = Object.prototype.toString;

var class2type = {};
// Populate the class2type map
"Boolean Number String Function Array Date RegExp Object".split(" ").forEach(function(name) {
	class2type[ "[object " + name + "]" ] = name.toLowerCase();
});


function type( obj ) {
	return obj == null ?
		String( obj ) :
			class2type[ toString.call(obj) ] || "object";
}

function isFunction( obj ) {
	return jQuery.type(obj) === "function";
}

function isArray( obj ) {
	return jQuery.type(obj) === "array";
}

function each( object, callback, args ) {
	var name, i = 0,
	length = object.length,
	isObj = length === undefined || isFunction( object );

	if ( args ) {
		if ( isObj ) {
			for ( name in object ) {
				if ( callback.apply( object[ name ], args ) === false ) {
					break;
				}
			}
		} else {
			for ( ; i < length; ) {
				if ( callback.apply( object[ i++ ], args ) === false ) {
					break;
				}
			}
		}

		// A special, fast, case for the most common use of each
	} else {
		if ( isObj ) {
			for ( name in object ) {
				if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
					break;
				}
			}
		} else {
			for ( ; i < length; ) {
				if ( callback.call( object[ i ], i, object[ i++ ] ) === false ) {
					break;
				}
			}
		}
	}

	return object;
}

function isPlainObject( obj ) {
	// Must be an Object.
	if ( !obj || jQuery.type(obj) !== "object" ) {
		return false;
	}
	return true;
}

function extend() {
	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;
		target = arguments[1] || {};
		// skip the boolean and the target
		i = 2;
	}

	// 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 ( length === i ) {
		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;
};