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70 lines
1.5 KiB
TypeScript
70 lines
1.5 KiB
TypeScript
import express from 'express'
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import webpack from 'webpack'
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import devMiddleware from 'webpack-dev-middleware'
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import hotMiddleware from 'webpack-hot-middleware'
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import { forceUnwrap as u } from '../app/src/lib/fatal-error'
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import configs from '../app/webpack.development'
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import { run } from './run'
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function getPortOrDefault() {
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const port = process.env.PORT
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if (port != null) {
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const result = parseInt(port)
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if (isNaN(result)) {
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throw new Error(`Unable to parse '${port}' into valid number`)
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}
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return result
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}
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return 3000
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}
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function startApp() {
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const runningApp = run({ stdio: 'inherit' })
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if (runningApp == null) {
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console.error(
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"Couldn't launch the app. You probably need to build it first. Run `yarn build:dev`."
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)
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process.exit(1)
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}
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runningApp.on('close', () => {
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process.exit(0)
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})
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}
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if (process.env.NODE_ENV === 'production') {
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startApp()
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} else {
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const rendererConfig = configs[1]
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const server = express()
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const compiler = webpack(rendererConfig)
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const port = getPortOrDefault()
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const message = 'Could not find public path from configuration'
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server.use(
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devMiddleware(compiler, {
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publicPath: u(
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message,
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u(message, u(message, rendererConfig).output).publicPath
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),
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})
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)
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server.use(hotMiddleware(compiler))
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server.listen(port, 'localhost', (err: Error | null) => {
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if (err) {
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console.log(err)
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process.exit(1)
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}
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console.log(`Server running at http://localhost:${port}`)
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startApp()
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})
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}
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