/
start.js
executable file
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/
start.js
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#! /usr/bin/env node
'use strict';
process.env.NODE_ENV = 'development';
const fs = require('fs-extra');
const mri = require('mri');
const webpack = require('webpack');
const createConfig = require('../config/createConfigAsync');
const loadRazzleConfig = require('../config/loadRazzleConfig');
const devServer = require('../config/razzleDevServer');
const printErrors = require('razzle-dev-utils/printErrors');
const clearConsole = require('react-dev-utils/clearConsole');
const logger = require('razzle-dev-utils/logger');
const setPorts = require('razzle-dev-utils/setPorts');
const chalk = require('chalk');
const terminate = require('terminate');
const devServerMajorVersion = require('razzle-dev-utils/devServerMajor');
let verbose = false;
process.once('SIGINT', () => {
if (verbose) {
console.error(chalk.bgRedBright(' SIGINT '), chalk.redBright('exiting...'));
}
terminate(process.pid, 'SIGINT', { timeout: 1000 }, () => {
if (verbose) {
console.error(chalk.bgGreen(' Goodbye '));
}
terminate(process.pid);
});
});
// Makes the script crash on unhandled rejections instead of silently
// ignoring them. In the future, promise rejections that are not handled will
// terminate the Node.js process with a non-zero exit code.
process.on('unhandledRejection', err => {
clearConsole();
logger.error('Unexpected error', err);
process.exit(1);
});
process.noDeprecation = true; // turns off that loadQuery clutter.
const argv = process.argv.slice(2);
const cliArgs = mri(argv);
// Capture any --inspect or --inspect-brk flags (with optional values) so that we
// can pass them when we invoke nodejs
process.env.INSPECT_BRK = formatInspectFlag(cliArgs, 'inspect-brk');
process.env.INSPECT = formatInspectFlag(cliArgs, 'inspect');
function main() {
return new Promise(async (resolve, reject) => {
loadRazzleConfig(webpack)
.then(
async ({ razzle, razzleOptions, webpackObject, plugins, paths }) => {
verbose = razzleOptions.verbose;
if (!verbose) {
process.removeAllListeners('warning');
}
const clientOnly = /spa|single-page-application/.test(
razzleOptions.buildType
);
const serverOnly = /serveronly|server-only/.test(
razzleOptions.buildType
);
process.env.BUILD_TYPE = razzleOptions.buildType;
setPorts(clientOnly).then(async () => {
// Optimistically, we make the console look exactly like the output of our
// FriendlyErrorsPlugin during compilation, so the user has immediate feedback.
// clearConsole();
logger.start('Compiling...');
let clientCompiler;
let clientConfig; // Create dev configs using our config factory, passing in razzle file as
// options.
if (!serverOnly) {
clientConfig = await createConfig(
'web',
'dev',
razzle,
webpackObject,
clientOnly,
paths,
plugins,
razzleOptions
);
if (clientOnly) {
// Check for public/index.html file
if (!fs.existsSync(paths.appHtml)) {
clearConsole();
logger.error(`index.html dose not exists public folder.`);
process.exit(1);
}
}
// Delete assets.json to always have a manifest up to date
fs.removeSync(paths.appAssetsManifest);
clientCompiler = compile(clientConfig, verbose);
}
let serverCompiler;
let serverConfig;
if (!clientOnly) {
serverConfig = await createConfig(
'node',
'dev',
razzle,
webpackObject,
clientOnly,
paths,
plugins,
razzleOptions
);
serverCompiler = compile(serverConfig, verbose);
}
const port =
((clientConfig || {}).devServer || {}).port || process.env.PORT;
// Compile our assets with webpack
// Instatiate a variable to track server watching
let watching;
let clientDevServer;
// in SPA mode we want to give the user
// feedback about the port that app is running on
// this variable helps us to don't show
// the message multiple times ...
let logged = false;
// Start our server webpack instance in watch mode after assets compile
if (clientCompiler) {
clientCompiler.hooks.done.tap('razzle', () => {
// If we've already started the server watcher, bail early.
if (watching) {
return;
}
if (!clientOnly && serverCompiler) {
// Otherwise, create a new watcher for our server code.
watching = serverCompiler.watch(
{
quiet: !verbose,
stats: 'none',
},
/* eslint-disable no-unused-vars */
stats => {}
);
}
// in SPA mode we want to give the user
// feedback about the port that app is running on
if (clientOnly && !logged) {
logged = true;
console.log(chalk.green(`> SPA Started on port ${port}`));
}
});
} else {
watching = serverCompiler.watch(
{
quiet: !verbose,
stats: 'none',
},
/* eslint-disable no-unused-vars */
stats => {}
);
}
// Provide a reusable logger function
const errorLogger = (err) => {
if (err) {
logger.error(err);
}
};
if (!serverOnly) {
// Create a new instance of Webpack-dev-server for our client assets.
// This will actually run on a different port than the users app.
clientDevServer = new devServer(
clientCompiler,
Object.assign(clientConfig.devServer, { verbose, port }),
);
if (devServerMajorVersion > 3) {
// listen was deprecated in v4 and causes issues when used, switch to its replacement
clientDevServer.startCallback(errorLogger);
} else {
// Start Webpack-dev-server
clientDevServer.listen(port, errorLogger);
}
}
['SIGINT', 'SIGTERM'].forEach(sig => {
process.on(sig, () => {
if (clientDevServer) {
if (devServerMajorVersion > 3) {
// close was deprecated in v4, switch to its replacement
clientDevServer.stopCallback(errorLogger);
} else {
clientDevServer.close(errorLogger);
}
}
if (watching) {
watching.close();
}
});
});
resolve();
});
}
)
.catch(console.error);
});
}
// Webpack compile in a try-catch
function compile(config, verbose) {
let compiler;
try {
compiler = webpack(config);
} catch (e) {
printErrors('Failed to compile.', [e], verbose);
process.exit(1);
}
return compiler;
}
function formatInspectFlag(cliArgs, flag) {
const value = cliArgs[flag];
if (typeof value === 'undefined' || value === '') {
return '';
}
// When passed as `--inspect`.
if (value === true) {
return '--' + flag;
}
// When passed as `--inspect=[port]` or `--inspect=[host:port]`
return '--' + flag + '=' + value.toString();
}
main();