//// [enumIndexer.ts]
enum MyEnumType {
    foo, bar
}
var _arr = [{ key: 'foo' }, { key: 'bar' }]
var enumValue = MyEnumType.foo;
var x = _arr.map(o => MyEnumType[o.key] === enumValue); // these are not same type


//// [enumIndexer.js]
var MyEnumType;
(function (MyEnumType) {
    MyEnumType[MyEnumType["foo"] = 0] = "foo";
    MyEnumType[MyEnumType["bar"] = 1] = "bar";
})(MyEnumType || (MyEnumType = {}));
var _arr = [{ key: 'foo' }, { key: 'bar' }];
var enumValue = 0 /* foo */;
var x = _arr.map(function (o) { return MyEnumType[o.key] === enumValue; }); // these are not same type