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