FreeTube/_scripts/dev-runner.js

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JavaScript
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process.env.NODE_ENV = 'development'
const electron = require('electron')
const webpack = require('webpack')
const WebpackDevServer = require('webpack-dev-server')
const kill = require('tree-kill')
const path = require('path')
const { spawn } = require('child_process')
const mainConfig = require('./webpack.main.config')
const rendererConfig = require('./webpack.renderer.config')
const workersConfig = require('./webpack.workers.config')
let electronProcess = null
let manualRestart = null
const remoteDebugging = !!(
process.argv[2] && process.argv[2] === '--remote-debug'
)
if (remoteDebugging) {
// disable dvtools open in electron
process.env.RENDERER_REMOTE_DEBUGGING = true
}
// Define exit code for relaunch and set it in the environment
const relaunchExitCode = 69
process.env.FREETUBE_RELAUNCH_EXIT_CODE = relaunchExitCode
const port = 9080
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async function killElectron(pid) {
return new Promise((resolve, reject) => {
if (pid) {
kill(pid, err => {
if (err) reject(err)
resolve()
})
} else {
resolve()
}
})
}
async function restartElectron() {
console.log('\nStarting electron...')
const { pid } = electronProcess || {}
await killElectron(pid)
electronProcess = spawn(electron, [
path.join(__dirname, '../dist/main.js'),
// '--enable-logging', Enable to show logs from all electron processes
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remoteDebugging ? '--inspect=9222' : '',
remoteDebugging ? '--remote-debugging-port=9223' : '',
])
electronProcess.on('exit', (code, _) => {
if (code === relaunchExitCode) {
electronProcess = null
restartElectron()
return
}
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if (!manualRestart) process.exit(0)
})
}
function startMain() {
const webpackSetup = webpack([mainConfig, workersConfig])
webpackSetup.compilers.forEach(compiler => {
const { name } = compiler
switch (name) {
case 'workers':
compiler.hooks.afterEmit.tap('afterEmit', async () => {
console.log(`\nCompiled ${name} script!`)
console.log(`\nWatching file changes for ${name} script...`)
})
break
case 'main':
default:
compiler.hooks.afterEmit.tap('afterEmit', async () => {
console.log(`\nCompiled ${name} script!`)
manualRestart = true
await restartElectron()
setTimeout(() => {
manualRestart = false
}, 2500)
console.log(`\nWatching file changes for ${name} script...`)
})
break
}
})
webpackSetup.watch({
aggregateTimeout: 500,
},
err => {
if (err) console.error(err)
})
}
function startRenderer(callback) {
const compiler = webpack(rendererConfig)
const { name } = compiler
compiler.hooks.afterEmit.tap('afterEmit', () => {
console.log(`\nCompiled ${name} script!`)
console.log(`\nWatching file changes for ${name} script...`)
})
const server = new WebpackDevServer({
static: {
directory: path.join(process.cwd(), 'static'),
watch: {
ignored: [
/(dashFiles|storyboards)\/*/,
'/**/.DS_Store',
]
}
},
port
}, compiler)
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server.startCallback(err => {
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if (err) console.error(err)
callback()
})
}
startRenderer(startMain)