@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
JavaScript
"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;