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#!/usr/bin/env node
// @ts-check
const { spawn } = require('child_process');
const electronPath = require('electron');
const { build, createLogger, createServer } = require('vite');
/** @type string */
const mode = process.env.MODE = process.env.MODE || 'development';
/** @type {import('vite').LogLevel} */
const LOG_LEVEL = 'info';
/** @type {import('vite').InlineConfig} */
const sharedConfig = {
mode,
build: {
watch: {},
},
logLevel: LOG_LEVEL,
};
/**
* Messages on stderr that match any of the contained patterns will be stripped from output
*
* @type RegExp[]
*/
const stderrFilterPatterns = [
// warning about devtools extension
// https://github.com/cawa-93/vite-electron-builder/issues/492
// https://github.com/MarshallOfSound/electron-devtools-installer/issues/143
/ExtensionLoadWarning/,
// GPU sandbox error with the mesa GLSL cache
// https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918433
/InitializeSandbox\(\) called with multiple threads in process gpu-process/,
];
/**
* @param {{name: string; configFile: string; writeBundle: import('rollup').OutputPlugin['writeBundle'] }} config
* @returns {Promise<import('rollup').RollupOutput | Array<import('rollup').RollupOutput> | import('rollup').RollupWatcher>}
*/
function getWatcher({name, configFile, writeBundle}) {
return build({
...sharedConfig,
configFile,
plugins: [
{
name,
writeBundle,
},
],
});
}
/**
* Start or restart App when source files are changed.
*
* @param {import('vite').ViteDevServer} viteDevServer
* @returns {Promise<import('rollup').RollupOutput | Array<import('rollup').RollupOutput> | import('rollup').RollupWatcher>}
*/
function setupMainPackageWatcher(viteDevServer) {
// Write a value to an environment variable to pass it to the main process.
const protocol = `http${viteDevServer.config.server.https ? 's' : ''}:`;
const host = viteDevServer.config.server.host || 'localhost';
const port = viteDevServer.config.server.port;
const path = '/';
process.env.VITE_DEV_SERVER_URL = `${protocol}//${host}:${port}${path}`;
const logger = createLogger(
LOG_LEVEL,
{
prefix: '[main]',
},
);
/** @type {import('child_process').ChildProcessWithoutNullStreams | null} */
let spawnProcess = null;
return getWatcher({
name: 'reload-app-on-main-package-change',
configFile: 'packages/main/vite.config.js',
writeBundle() {
if (spawnProcess !== null) {
spawnProcess.kill('SIGINT');
spawnProcess = null;
}
spawnProcess = spawn(String(electronPath), ['.']);
spawnProcess.stdout.on('data', (data) => {
if (data.toString().trim() !== '') {
logger.warn(data.toString(), {timestamp: true})
}
});
spawnProcess.stderr.on('data', (data) => {
const trimmedData = data.toString().trim();
if (trimmedData === '') {
return;
}
const mayIgnore = stderrFilterPatterns.some((r) => r.test(data));
if (mayIgnore) {
return;
}
logger.error(data, { timestamp: true });
});
},
});
}
/**
* Start or restart App when source files are changed.
*
* @param {import('vite').ViteDevServer} viteDevServer
* @returns {Promise<import('rollup').RollupOutput | Array<import('rollup').RollupOutput> | import('rollup').RollupWatcher>}
*/
function setupPreloadPackageWatcher(viteDevServer) {
return getWatcher({
name: 'reload-page-on-preload-package-change',
configFile: 'packages/preload/vite.config.js',
writeBundle() {
viteDevServer.ws.send({
type: 'full-reload',
});
},
});
}
/**
* @returns Promise<void>
*/
async function setupDevEnvironment() {
const viteDevServer = await createServer({
...sharedConfig,
configFile: 'packages/renderer/vite.config.js',
});
await viteDevServer.listen();
await setupPreloadPackageWatcher(viteDevServer);
return setupMainPackageWatcher(viteDevServer);
}
setupDevEnvironment().catch((err) => {
console.error(err);
process.exit(1);
});
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