44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
|
'use strict';
|
||
|
|
||
|
Object.defineProperty(exports, "__esModule", {
|
||
|
value: true
|
||
|
});
|
||
|
|
||
|
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
|
||
|
|
||
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
|
||
|
|
||
|
var FeatureFlags = function () {
|
||
|
function FeatureFlags() {
|
||
|
_classCallCheck(this, FeatureFlags);
|
||
|
|
||
|
this.flags = new Set();
|
||
|
}
|
||
|
|
||
|
_createClass(FeatureFlags, [{
|
||
|
key: 'getSupported',
|
||
|
value: function getSupported() {
|
||
|
return Array.from(this.flags);
|
||
|
}
|
||
|
}, {
|
||
|
key: 'supports',
|
||
|
value: function supports(feature) {
|
||
|
return this.flags.has(feature);
|
||
|
}
|
||
|
}, {
|
||
|
key: 'declareSupported',
|
||
|
value: function declareSupported(feature) {
|
||
|
if (this.supports(feature)) {
|
||
|
console.error('Feature redeclared; is this a duplicate flag? ', feature);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
this.flags.add(feature);
|
||
|
}
|
||
|
}]);
|
||
|
|
||
|
return FeatureFlags;
|
||
|
}();
|
||
|
|
||
|
exports.default = FeatureFlags;
|
||
|
module.exports = exports['default'];
|