@launchtray/tsyringe-async/dist/esm5/factories/predicate-aware-class-factory.js

Lightweight dependency injection container for JavaScript/TypeScript, with asynchronous resolution

import { __awaiter, __generator } from "tslib";
export default function predicateAwareClassFactory(predicate, trueConstructor, falseConstructor, useCaching) {
    var _this = this;
    if (useCaching === void 0) { useCaching = true; }
    var instance;
    var previousPredicate;
    return function (dependencyContainer) { return __awaiter(_this, void 0, void 0, function () {
        var currentPredicate;
        return __generator(this, function (_a) {
            currentPredicate = predicate(dependencyContainer);
            if (!useCaching || previousPredicate !== currentPredicate) {
                if ((previousPredicate = currentPredicate)) {
                    instance = dependencyContainer.resolve(trueConstructor);
                }
                else {
                    instance = dependencyContainer.resolve(falseConstructor);
                }
            }
            return [2, instance];
        });
    }); };
}