app.js

const createError = require('http-errors');
const express = require('express');
const path = require('path');
const logger = require('morgan');
const cors = require('cors');
const app = express();

require('dotenv').config();

// application settings
app.use(logger('dev'));
app.use(express.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, './public')));
app.use(cors({
  origin: true,
  credentials: true,
}));

// ルーティング先
const ProductsRouter = require('./routes/products/products.js');
app.use('/api/products', ProductsRouter);

const VoteRouter = require('./routes/vote/vote.js');
app.use('/api/vote', VoteRouter);

const SettingsRouter = require('./routes/settings/setting.js');
app.use('/api/settings', SettingsRouter);

const RankingRouter = require('./routes/ranking/ranking.js');
app.use('/api/ranking', RankingRouter);

const indexRouter = require('./routes/index.js');
app.use('/', indexRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;