53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
|
function Enum() {
|
||
|
|
if(arguments.length > 0){
|
||
|
|
var dxList = [];
|
||
|
|
dxList.push(''); // Want empty value to be at index 0 to match MySQL Enum values and MySQL non-strict behavior.
|
||
|
|
for(var arg in arguments){
|
||
|
|
arg = String(arguments[arg]);
|
||
|
|
Object.defineProperty(this, arg.toUpperCase(), {configurable: false, enumerable: true, value: arg, writable: false});
|
||
|
|
dxList.push(arg);
|
||
|
|
}
|
||
|
|
Object.defineProperty(this, '_values', {configurable: false, enumerable: false, value: dxList, writable: false});
|
||
|
|
Object.defineProperty(this, '_string', {configurable: false, enumerable: false, value: stringified(this), writable: false});
|
||
|
|
Object.freeze(this);
|
||
|
|
return this;
|
||
|
|
} else {
|
||
|
|
throw "No arguments - can't create Enum.";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
Object.defineProperty(Enum.prototype, 'name', {configurable: false, enumerable: false, value: 'Enum', writable: false});
|
||
|
|
|
||
|
|
|
||
|
|
var EnumFactory = (function() {
|
||
|
|
function FakeEnumConstructor(args) {
|
||
|
|
return Enum.apply(this, args);
|
||
|
|
}
|
||
|
|
|
||
|
|
FakeEnumConstructor.prototype = Enum.prototype;
|
||
|
|
|
||
|
|
return function() {
|
||
|
|
var returnObject = new FakeEnumConstructor(arguments);
|
||
|
|
returnObject.constructor = Enum.constructor;
|
||
|
|
return returnObject;
|
||
|
|
}
|
||
|
|
})();
|
||
|
|
|
||
|
|
function stringified(anEnum) {
|
||
|
|
var s = [];
|
||
|
|
for(var i in anEnum._values){
|
||
|
|
if(anEnum._values[i] != ''){
|
||
|
|
s.push("'" + anEnum._values[i] + "'");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return s.join(',');
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.EnumFactory = EnumFactory;
|
||
|
|
exports.Enum = Enum;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|