@launchtray/tsyringe-async/dist/esm2015/factories/predicate-aware-class-factory.js

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

import { __awaiter } from "tslib";
export default function predicateAwareClassFactory(predicate, trueConstructor, falseConstructor, useCaching = true) {
    let instance;
    let previousPredicate;
    return (dependencyContainer) => __awaiter(this, void 0, void 0, function* () {
        const currentPredicate = predicate(dependencyContainer);
        if (!useCaching || previousPredicate !== currentPredicate) {
            if ((previousPredicate = currentPredicate)) {
                instance = dependencyContainer.resolve(trueConstructor);
            }
            else {
                instance = dependencyContainer.resolve(falseConstructor);
            }
        }
        return instance;
    });
}