67 lines
1.4 KiB
JavaScript
67 lines
1.4 KiB
JavaScript
var EnumFactory = function() {
|
|
if (arguments.length > 0) {
|
|
var Enum = function Enum(arg) {
|
|
if (typeof arg === 'number' && arg % 1 == 0) {
|
|
return Enum._values[arg];
|
|
} else if (Enum[arg]) {
|
|
return Enum[arg]
|
|
} else if (Enum._values.indexOf(arg) !== -1) {
|
|
return arg;
|
|
} else if (arg === null) {
|
|
return null;
|
|
} else {
|
|
return '';
|
|
}
|
|
};
|
|
var dxList = [];
|
|
// Want empty value to be at index 0 to match MySQL Enum values and
|
|
// MySQL non-strict behavior.
|
|
dxList.push('');
|
|
for (var arg in arguments) {
|
|
arg = String(arguments[arg]);
|
|
Object.defineProperty(Enum, arg.toUpperCase(), {
|
|
configurable: false,
|
|
enumerable: true,
|
|
value: arg,
|
|
writable: false
|
|
});
|
|
dxList.push(arg);
|
|
}
|
|
Object.defineProperty(Enum, '_values', {
|
|
configurable: false,
|
|
enumerable: false,
|
|
value: dxList,
|
|
writable: false
|
|
});
|
|
Object.defineProperty(Enum, '_string', {
|
|
configurable: false,
|
|
enumerable: false,
|
|
value: stringified(Enum),
|
|
writable: false
|
|
});
|
|
Object.freeze(Enum);
|
|
return Enum;
|
|
} else {
|
|
throw "No arguments - could not create Enum.";
|
|
}
|
|
};
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|