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type.js
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type.js
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/**
* using AMD (Asynchronous Module Definition) API with OzJS
* see http://ozjs.org for details
*
* Copyright (C) 2010-2012, Dexter.Yy, MIT License
* vim: et:ts=4:sw=4:sts=4
*/
if (typeof module === 'undefined'
&& (typeof define !== 'function' || !define.amd)) {
define = function(mid, deps, factory){
var exports = ((this.mo || (this.mo = {})).lang
|| (this.mo.lang = {})).type = {};
factory(null, null, exports);
};
}
define("mo/lang/type", [
"./es5"
], function(_0, require, exports){
var host = this,
window = host.window,
_toString = Object.prototype.toString,
_aproto = Array.prototype,
_typeMap = {};
_aproto.forEach.call("Boolean Number String Function Array Date RegExp Object".split(" "), function(name){
this[ "[object " + name + "]" ] = name.toLowerCase();
}, _typeMap);
function type(obj) {
return obj == null ?
String(obj) :
_typeMap[ _toString.call(obj) ] || "object";
}
exports.type = type;
exports.isFunction = function(obj) {
return _toString.call(obj) === "[object Function]";
};
exports.isWindow = function(obj) {
return obj && obj === obj.window;
};
exports.isEmptyObject = function(obj) {
for (var name in obj) {
name = null;
return false;
}
return true;
};
exports.isArraylike = function(obj){
var l = obj.length;
return !exports.isWindow(obj)
&& (typeof obj !== 'function'
|| obj.constructor !== Function)
&& (l === 0
|| typeof l === "number"
&& l > 0
&& (l - 1) in obj);
};
exports.ns = function(namespace, v, parent){
var i, p = parent || window, n = namespace.split(".").reverse();
while ((i = n.pop()) && n.length > 0) {
if (typeof p[i] === 'undefined') {
p[i] = {};
} else if (typeof p[i] !== "object") {
return false;
}
p = p[i];
}
if (typeof v !== 'undefined')
p[i] = v;
return p[i];
};
});