express-ts-skeleton
Version:
This is a skeleton(boiler plate) for nodejs, express and typescript.
56 lines (55 loc) • 2.95 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.httpHelper = void 0;
const checkResponseType_1 = require("../scripts/checkResponseType");
const validator_1 = require("./validator");
// MARK: httpHandler
/**
* Creates an Express middleware function to handle requests using a specified controller method.
* @param {ControllerClass} controller - The controller class containing the method to handle requests.
* @param {string} handlerName - The name of the method on the controller to handle requests.
* @returns {function(Request, Response, NextFunction): Promise<void>} An async middleware function to process the request.
*/
class httpHelper extends validator_1.validateHelper {
constructor() {
super(...arguments);
this.handler = (controller, handlerName) => {
return (req, res, next) => __awaiter(this, void 0, void 0, function* () {
try {
const controllerInstance = new controller();
const methodHandler = controllerInstance[handlerName];
if (typeof methodHandler !== "function") {
throw new Error(`Method ${handlerName} not found on controller`);
}
const result = yield methodHandler(Object.assign(Object.assign(Object.assign(Object.assign({}, req.body), req.params), req.query), { files: req.files || req.file }));
if (result.metaData)
for (const item in result.metaData) {
res.setHeader(item, result.metaData[item]);
}
if (checkResponseType_1.checkResponseType.isDownloadResponse(result)) {
this.download(result, res);
}
else if (checkResponseType_1.checkResponseType.isRenderResponse(result)) {
this.render({ view: result.view, content: result.content }, res);
}
else {
this.json(result, res);
}
}
catch (err) {
next(err);
}
});
};
}
}
exports.httpHelper = httpHelper;