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app.js
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app.js
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const express = require('express')
const path = require('path')
const logger = require('morgan')
const bodyParser = require('body-parser')
const api = require('./api')
module.exports = () => {
const app = express()
app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded(
{ extended: false }))
app.set('trust proxy', 1) // trust first proxy
if (app.get('env') === 'development') {
const webpackDevMiddleware = require('webpack-dev-middleware')
const config = require('./webpack.config')
const webpack = require('webpack')
const compiler = webpack(config)
const livereload = require('livereload')
const lrserver = livereload.createServer()
lrserver.watch([
__dirname + '/public',
__dirname + '/src',
])
app.use(require('inject-lr-script')())
app.use(webpackDevMiddleware(compiler, {
noInfo: true,
publicPath: config.output.publicPath,
}))
}
// static files
app.use('/', express.static(path.join(__dirname, 'public')))
// routes
app.use('/api/v1/', api.appRoute())
// catch 404 and forward to error handler
app.use((req, res, next) => {
const err = new Error('Not Found')
err.status = 404
next(err)
})
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use((err, req, res) => {
res.status(err.status || 500)
res.json({
message: err.message,
error: err,
})
})
}
// production error handler
// no stacktraces leaked to user
app.use((err, req, res) => {
res.status(err.status || 500)
res.json({
message: err.message,
error: {},
})
})
return app
}