@decorators/server/lib/platforms/http/helpers/route-resolver.js

node decorators - decorators for express library

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RouteResolver = void 0;
const di_1 = require("@decorators/di");
const core_1 = require("../../../core");
const constants_1 = require("./constants");
const http_application_adapter_1 = require("./http-application-adapter");
const route_handler_1 = require("./route-handler");
let RouteResolver = exports.RouteResolver = class RouteResolver {
    constructor(adapter, containerManager, metadataScanner, routeHandler, reflector) {
        this.adapter = adapter;
        this.containerManager = containerManager;
        this.metadataScanner = metadataScanner;
        this.routeHandler = routeHandler;
        this.reflector = reflector;
    }
    async resolve() {
        const metadatas = this.metadataScanner.scan()
            .filter(meta => (0, core_1.isEnum)(constants_1.HttpMethodType, meta.type));
        const baseRoutes = metadatas.filter(meta => !meta.url.includes('*'));
        const wildcardRoutes = metadatas
            .filter(meta => meta.url.includes('*'))
            .sort(this.sortWildcardRoutes);
        const routes = [];
        for (const metadata of [...baseRoutes, ...wildcardRoutes]) {
            const container = this.containerManager.get(metadata.module);
            const controller = await container.get(metadata.controller);
            const routePipes = await (0, core_1.asyncMap)(metadata.pipes, (pipe) => container.get(pipe));
            const template = this.reflector.getMetadata(constants_1.METHOD_TEMPLATE_METADATA, metadata.controller.prototype[metadata.methodName]);
            const handler = this.routeHandler.createHandler(controller, metadata.methodName, metadata.params, routePipes, metadata.status, template);
            routes.push({
                handler,
                type: metadata.type,
                url: metadata.url,
            });
        }
        this.adapter.routes(routes);
    }
    sortWildcardRoutes(routeA, routeB) {
        const segmentsA = routeA.url.split('/').length;
        const segmentsB = routeB.url.split('/').length;
        if (segmentsA === segmentsB) {
            return routeB.url.length - routeA.url.length;
        }
        return segmentsB - segmentsA;
    }
};
exports.RouteResolver = RouteResolver = __decorate([
    (0, di_1.Injectable)(),
    __param(0, (0, di_1.Inject)(constants_1.HTTP_ADAPTER)),
    __metadata("design:paramtypes", [http_application_adapter_1.HttpApplicationAdapter,
        core_1.ContainerManager,
        core_1.MetadataScanner,
        route_handler_1.RouteHandler,
        core_1.Reflector])
], RouteResolver);
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