UNPKG

@dechamp/express-auto-route

Version:

An express auto route module which allows routes and middleware to be configured via config file.

157 lines (156 loc) 8.16 kB
"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); var joi_1 = __importDefault(require("@hapi/joi")); var moduleImporter_1 = __importDefault(require("./moduleImporter")); var Methods; (function (Methods) { Methods["GET"] = "GET"; Methods["POST"] = "POST"; Methods["HEAD"] = "HEAD"; Methods["PUT"] = "PUT"; Methods["DELETE"] = "DELETE"; Methods["USE"] = "USE"; })(Methods = exports.Methods || (exports.Methods = {})); var AutoRoute = /** @class */ (function () { function AutoRoute(server, callbackHandler, configs) { this.configs = {}; this.server = server; this.callbackHandler = callbackHandler; this.configs = configs; } AutoRoute.prototype.mount = function (routes) { return __awaiter(this, void 0, void 0, function () { var _this = this; return __generator(this, function (_a) { this._guardParams(routes); return [2 /*return*/, Promise.all(routes.map(function (route) { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { return [2 /*return*/, this._addRoute(route)]; }); }); }))]; }); }); }; AutoRoute.prototype._guardParams = function (routes) { joi_1.default.assert(routes, joi_1.default.array().items(joi_1.default.object({ id: joi_1.default.string().required(), method: joi_1.default.string() .regex(/^GET|POST|HEAD|PUT|DELETE|USE$/) .required(), path: joi_1.default.string().min(1).required(), modulePath: joi_1.default.string().min(1).required(), }).unknown(true)).required()); }; AutoRoute.prototype._addRoute = function (route) { return __awaiter(this, void 0, void 0, function () { var _a, _b, method, path, _c, middleware, autoRouteCallback, middlewareCallbacks, error_1; return __generator(this, function (_d) { switch (_d.label) { case 0: _d.trys.push([0, 5, , 6]); method = route.method, path = route.path, _c = route.middleware, middleware = _c === void 0 ? [] : _c; return [4 /*yield*/, this._buildCallback(route)]; case 1: autoRouteCallback = _d.sent(); if (!middleware.length) return [3 /*break*/, 3]; return [4 /*yield*/, this._buildMiddlewareCallbacks(middleware)]; case 2: middlewareCallbacks = _d.sent(); (_a = this.server)[method.toLowerCase()].apply(_a, [path].concat(middlewareCallbacks, autoRouteCallback)); return [3 /*break*/, 4]; case 3: (_b = this.server)[method.toLowerCase()].apply(_b, [path].concat(autoRouteCallback)); _d.label = 4; case 4: return [2 /*return*/, route.id + ": mounted"]; case 5: error_1 = _d.sent(); return [2 /*return*/, route.id + " did not mount due to " + error_1.message]; case 6: return [2 /*return*/]; } }); }); }; AutoRoute.prototype._buildCallback = function (route) { return __awaiter(this, void 0, void 0, function () { var callbacks, modulePath, callbackModule, callback; return __generator(this, function (_a) { switch (_a.label) { case 0: callbacks = []; if (this.callbackHandler) { callbacks = this.callbackHandler.buildCallback(route); } modulePath = route.modulePath; return [4 /*yield*/, this._buildMiddlewareCallback(modulePath)]; case 1: callbackModule = _a.sent(); if (callbackModule) { callback = function (req, res, next) { req.config = { route: route, }; callbackModule(req, res, next); }; callbacks.push(callback); } return [2 /*return*/, callbacks]; } }); }); }; AutoRoute.prototype._buildMiddlewareCallbacks = function (middlewares) { return __awaiter(this, void 0, void 0, function () { var _this = this; return __generator(this, function (_a) { return [2 /*return*/, Promise.all(middlewares.map(function (middleware) { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { return [2 /*return*/, this._buildMiddlewareCallback(middleware)]; }); }); }))]; }); }); }; AutoRoute.prototype._buildMiddlewareCallback = function (middlewarePath) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { return [2 /*return*/, moduleImporter_1.default(middlewarePath, (this.configs && this.configs.routeBasePath))]; }); }); }; return AutoRoute; }()); exports.AutoRoute = AutoRoute;