@nestjs/core/middleware/resolver.js

Nest - modern, fast, powerful node.js web framework (@core)

export class MiddlewareResolver {
    middlewareContainer;
    injector;
    constructor(middlewareContainer, injector) {
        this.middlewareContainer = middlewareContainer;
        this.injector = injector;
    }
    async resolveInstances(moduleRef, moduleName) {
        const middlewareMap = this.middlewareContainer.getMiddlewareCollection(moduleName);
        const resolveInstance = async (wrapper) => this.resolveMiddlewareInstance(wrapper, middlewareMap, moduleRef);
        await Promise.all([...middlewareMap.values()].map(resolveInstance));
    }
    async resolveMiddlewareInstance(wrapper, middlewareMap, moduleRef) {
        await this.injector.loadMiddleware(wrapper, middlewareMap, moduleRef);
    }
}