@cashfarm/tractor/router.js

A Hapi server with superpowers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const hapi_1 = require("hapi");
const inversify_1 = require("inversify");
const interfaces_1 = require("./interfaces");
const endpoint_1 = require("./decorators/endpoint");
const inversify_2 = require("inversify");
const debug = require('debug')('tractor');
exports.IRouter = Symbol.for('@cashfarm/tractor.IRouter');
let Router = class Router {
    constructor(server, controllers) {
        this.server = server;
        this.prefix = '';
        this.controllers = [];
        if (Array.isArray(controllers) && controllers.length)
            this.addControllers(controllers);
    }
    /**
     * Registers endpoints for the current controllers
     *
     * @memberof Router
     */
    addControllers(ctrls) {
        if (!Array.isArray(ctrls))
            throw new Error(`Router.addControllers() expects an array of IController objects, but received ${JSON.stringify(ctrls)}`);
        this.controllers = this.controllers.concat(this.controllers, ctrls);
        ctrls.forEach(c => this.addController(c));
    }
    addController(ctrl) {
        debug(`Adding controller ${ctrl.constructor.name}`);
        const edpts = Reflect.getMetadata(endpoint_1.EndpointMetadataKey, ctrl.constructor);
        Reflect.ownKeys(edpts).forEach(epName => {
            this.registerEndpoint(ctrl, epName, edpts[String(epName)]);
        });
    }
    registerEndpoint(ctrl, methodKey, meta) {
        const path = (this.prefix + meta.path).trim().length === 0 ? '/' : (this.prefix + meta.path);
        this.server.log('debug', `Mapping route ${path} to ${ctrl.constructor.name}.${String(methodKey)}`);
        this.server.route({
            method: meta.method,
            path: path,
            config: {
                description: meta.description,
                notes: meta.notes,
                tags: meta.tags,
                handler: ctrl[methodKey].bind(ctrl),
                validate: meta.validate,
                auth: meta.auth
            }
        });
    }
};
tslib_1.__decorate([
    inversify_1.inject('ApiPrefix'),
    tslib_1.__metadata("design:type", Object)
], Router.prototype, "prefix", void 0);
Router = tslib_1.__decorate([
    inversify_2.injectable(),
    tslib_1.__param(0, inversify_1.inject(hapi_1.Server)),
    tslib_1.__param(1, inversify_1.multiInject(interfaces_1.IController)),
    tslib_1.__metadata("design:paramtypes", [hapi_1.Server, Array])
], Router);
exports.Router = Router;
exports.default = Router;
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