toCode returns the object as code string

toCode.js

function toCode(o, name) {
	name = name || 'code';
	var cache = [o];
	var toCode = function (o, name) {
		if (typeof o === 'string') {
			return "'" + o + "'";
		}
		if (o instanceof Array) {
			return toCode.arrayToCode(o, name);
		}
		return toCode.objectToCode(o, name);
	}
	
	toCode.baseOnType = function (op, name) {
		var index = cache.indexOf(op);
		if (~index) {
			console.log('"' + name + '"');
			return name;
		}
		cache.push(op);
		var type = typeof op;
		if (type === 'function') {
			return op.toString().replace('{ [native code] }', '{ "[native code]" }');
		}
		if (type === 'string') {
			return "'" + op + "'";
		}
		if (op instanceof Array) {
			return toCode.arrayToCode(op, name);
		}
		if (op instanceof Object) {
			return toCode.objectToCode(op, name);
		}
		if (op === undefined) {return 'undefined'}
		if (op === null) {return 'null'}
		return op.toString && op.toString() || "''";
	};
	
	toCode.arrayToCode = function (a, name) {
		var as = '[';
		for (var i = 0; i < a.length; i++) {
			as += (i !== 0 ? ', ' : '') + toCode.baseOnType(a[i], name + '["' + i + '"]');
		}
		as += ']';
		return as;
	};
	
	toCode.objectToCode = function (o, name) {
		var os = '{';
		var i = 0;
		for (var p in o) {
			os += (i++ !== 0 ? ', ' : '') + p + ': ' + toCode.baseOnType(o[p], name + '["' + p + '"]');
		}
		os += '}';
		return os;
	};
	
	return 'var ' + name + ' = ' + toCode(o, name);
	
}