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app.js
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app.js
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const express = require('express');
const bodyParser = require('body-parser');
const helmet = require('helmet');
const cors = require('cors');
const ApplicationError = require('./ApplicationError');
const ErrorCodes = require('./ErrorCodes');
const config = require('./configs');
const logger = require('./utils/logger');
const middlewareHandler = require('./handlers/middlewareHandler');
const { requestLogger, responseHelpers } = require('./middlewares');
const loaders = require('./loaders');
const makeApp = async () => {
const app = express();
app.use(middlewareHandler(responseHelpers));
app.use(helmet());
app.use(cors({
origin: config.cors.allowedOrigins,
methods: config.cors.allowedMethods,
allowedHeaders: config.cors.allowedHeaders
}));
app.use(express.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(middlewareHandler(requestLogger));
await loaders(app);
app.use((req, res, next) => {
const err = new ApplicationError({
error: ErrorCodes.NotFound,
});
next(err);
});
// eslint-disable-next-line no-unused-vars
app.use((err, req, res, next) => {
res.locals.message = err.message;
res.locals.error = config.env !== 'production' ? err : {};
logger.error(err.message, {
statusCode: err.statusCode,
stack: err.stack,
meta: err.meta,
type: err.type || 'ERROR'
});
return res.error({
message: err.message,
type: err.type || 'ERROR',
meta: err.meta,
stack: config.env !== 'production' ? err.stack : undefined,
}, err.statusCode);
});
return app;
};
module.exports.makeApp = makeApp;