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app.js

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+import createError from 'http-errors'
+import logger from 'morgan'
+import express from 'express'
+import cookieParser from 'cookie-parser'
+import cors from 'cors'
+
+import indexRouter from './routes/index.js'
+import apiRouter from './routes/index.js'
+
+const app = express()
+
+app.use(cors())
+app.use(logger('dev'))
+app.use(express.json())
+app.use(express.urlencoded({ extended: true }))
+app.use(cookieParser())
+
+app.use('/api', apiRouter)
+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, next) {
+  // 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.send(`ERROR: ${err.status}, ${err.stack}`)
+})
+
+export default app