From 08038ab6941c95c28dbc713738d82ebb7fa922cc Mon Sep 17 00:00:00 2001 From: Ryan Christian <33403762+rschristian@users.noreply.github.com> Date: Tue, 20 Dec 2022 16:42:39 -0600 Subject: [PATCH] feat: Improved errors and warnings (#1758) * refactor: Better root error handling * refactor: Switch prerender plugin to be async for error gen * refactor: Simplify & improve compilation messages --- packages/cli/src/index.js | 34 ++++-- packages/cli/src/lib/webpack/prerender.js | 4 +- .../cli/src/lib/webpack/render-html-plugin.js | 6 +- packages/cli/src/lib/webpack/run-webpack.js | 107 +++++++----------- 4 files changed, 72 insertions(+), 79 deletions(-) diff --git a/packages/cli/src/index.js b/packages/cli/src/index.js index 6b4075dde..3312b118d 100755 --- a/packages/cli/src/index.js +++ b/packages/cli/src/index.js @@ -2,6 +2,7 @@ const envinfo = require('envinfo'); const sade = require('sade'); const notifier = require('update-notifier'); +const { green } = require('kleur'); const { error } = require('./util'); const pkg = require('../package.json'); const { isNodeVersionGreater } = require('./util'); @@ -19,10 +20,6 @@ const commands = require('./commands'); // installHooks(); notifier({ pkg }).notify(); -process.on('unhandledRejection', err => { - error(err.stack || err.message); -}); - const prog = sade('preact').version(pkg.version); prog @@ -53,7 +50,7 @@ prog .option('--inlineCss', 'Adds critical CSS to the prerendered HTML', true) .option('-c, --config', 'Path to custom CLI config', 'preact.config.js') .option('-v, --verbose', 'Verbose output', false) - .action(commands.build); + .action((src, argv) => exec(commands.build(src, argv))); prog .command('watch [src]') @@ -81,13 +78,13 @@ prog .option('-c, --config', 'Path to custom CLI config', 'preact.config.js') .option('-H, --host', 'Set server hostname', '0.0.0.0') .option('-p, --port', 'Set server port (default 8080)') - .action(commands.watch); + .action((src, argv) => exec(commands.watch(src, argv))); prog .command('info') .describe('Print out debugging information about the local environment') - .action(() => { - envinfo + .action(() => + exec(envinfo .run({ System: ['OS', 'CPU'], Binaries: ['Node', 'Yarn', 'npm'], @@ -100,8 +97,8 @@ prog ], npmGlobalPackages: ['preact-cli'], }) - .then(info => process.stdout.write(`\nEnvironment Info:${info}\n`)); - }); + .then(info => process.stdout.write(`\nEnvironment Info:${info}\n`)) + )); prog.parse(process.argv, { alias: { @@ -114,3 +111,20 @@ prog.parse(process.argv, { ); }, }); + +function exec(cmd) { + cmd.catch(catchExceptions); +} + +/** + * @param {Error | import('webpack').StatsError} err + */ +async function catchExceptions(err) { + // Webpack Stats Error + if ('moduleName' in err && 'loc' in err) { + error(`${err.moduleName} ${green(err.loc)}\n${err.message}\n\n`); + } + error(err.stack || err.message || err); +} + +process.on('unhandledRejection', catchExceptions); diff --git a/packages/cli/src/lib/webpack/prerender.js b/packages/cli/src/lib/webpack/prerender.js index a75e072ad..945a4e0be 100644 --- a/packages/cli/src/lib/webpack/prerender.js +++ b/packages/cli/src/lib/webpack/prerender.js @@ -5,7 +5,7 @@ const stackTrace = require('stack-trace'); const URL = require('url'); const { SourceMapConsumer } = require('source-map'); -module.exports = function (config, params) { +module.exports = async function (config, params) { params = params || {}; let entry = resolve(config.dest, './ssr-build/ssr-bundle.js'); @@ -36,7 +36,7 @@ module.exports = function (config, params) { throw err; } - handlePrerenderError(err, config, stack, entry); + await handlePrerenderError(err, config, stack, entry); } }; diff --git a/packages/cli/src/lib/webpack/render-html-plugin.js b/packages/cli/src/lib/webpack/render-html-plugin.js index 2a9391908..b9990113d 100644 --- a/packages/cli/src/lib/webpack/render-html-plugin.js +++ b/packages/cli/src/lib/webpack/render-html-plugin.js @@ -73,7 +73,7 @@ module.exports = async function renderHTMLPlugin(config, env) { title, filename, template: `!!${require.resolve('ejs-loader')}?esModule=false!${template}`, - templateParameters: (compilation, assets, assetTags, options) => { + templateParameters: async (compilation, assets, assetTags, options) => { let entrypoints = {}; compilation.entrypoints.forEach((entrypoint, name) => { let entryFiles = entrypoint.getFiles(); @@ -92,7 +92,9 @@ module.exports = async function renderHTMLPlugin(config, env) { env, preRenderData: values, CLI_DATA: { preRenderData: { url, ...routeData } }, - ssr: config.prerender ? prerender(config, values) : '', + ssr: config.prerender + ? await prerender(config, values) + : '', entrypoints, }, htmlWebpackPlugin: { diff --git a/packages/cli/src/lib/webpack/run-webpack.js b/packages/cli/src/lib/webpack/run-webpack.js index 3bc2fcdb7..c579b2523 100644 --- a/packages/cli/src/lib/webpack/run-webpack.js +++ b/packages/cli/src/lib/webpack/run-webpack.js @@ -2,12 +2,12 @@ const ip = require('ip'); const webpack = require('webpack'); const { resolve } = require('path'); const clear = require('console-clear'); -const { bold, red, green, magenta } = require('kleur'); +const { bold, green, magenta } = require('kleur'); const DevServer = require('webpack-dev-server'); const clientConfig = require('./webpack-client-config'); const serverConfig = require('./webpack-server-config'); const transformConfig = require('./transform-config'); -const { error, isDir, warn } = require('../../util'); +const { isDir, warn } = require('../../util'); /** * @param {import('../../../types').Env} env @@ -34,16 +34,12 @@ async function devBuild(config, env) { devServer.port )}`; - if (stats.hasErrors()) { - process.stdout.write(red('Build failed!\n\n')); - } else { + if (!stats.hasErrors()) { process.stdout.write(green('Compiled successfully!\n\n')); process.stdout.write('You can view the application in browser.\n\n'); process.stdout.write(`${bold('Local:')} ${serverAddr}\n`); process.stdout.write(`${bold('On Your Network:')} ${localIpAddr}\n`); } - - showStats(stats, false); }); compiler.hooks.failed.tap('CliDevPlugin', rej); @@ -70,100 +66,81 @@ async function prodBuild(config, env) { const clientWebpackConfig = await clientConfig(config, env); await transformConfig(clientWebpackConfig, config, env); const clientCompiler = webpack(clientWebpackConfig); + await runCompiler(clientCompiler); - try { - let stats = await runCompiler(clientCompiler); - - // Timeout for plugins that work on `after-emit` event of webpack - await new Promise(r => setTimeout(r, 20)); - - return showStats(stats, true); - } catch (err) { - // eslint-disable-next-line - console.log(err); - } + // Timeout for plugins that work on `after-emit` event of webpack + await new Promise(r => setTimeout(r, 20)); } +/** + * @param {import('webpack').Compiler} compiler + */ function runCompiler(compiler) { - return new Promise(res => { + return new Promise((res, rej) => { compiler.run((err, stats) => { - if (err) { - error(err, 1); - } + if (err) rej(err); - showStats(stats, true); + showCompilationIssues(stats); - res(stats); + compiler.close(closeErr => { + if (closeErr) rej(closeErr); + res(); + }); }); }); } -function showStats(stats, isProd) { +/** + * @param {import('webpack').Stats} stats + */ +function showCompilationIssues(stats) { if (stats) { - if (stats.hasErrors()) { - allFields(stats, 'errors') - .map(stripLoaderPrefix) - .forEach(({ message }) => error(message, isProd ? 1 : 0)); + if (stats.hasWarnings()) { + allFields(stats, 'warnings').forEach(({ message }) => warn(message)); } - if (stats.hasWarnings()) { - allFields(stats, 'warnings') - .map(stripLoaderPrefix) - .forEach(({ message }) => warn(message)); + if (stats.hasErrors()) { + allFields(stats, 'errors').forEach(err => { + throw err; + }); } } - - return stats; } +/** + * Recursively retrieve all errors or warnings from compilation + * + * @param {import('webpack').Stats} stats + * @param {'warnings' | 'errors'} field + * @returns {import('webpack').StatsError[]} + */ function allFields(stats, field, fields = [], name = null) { const info = stats.toJson({ errors: true, warnings: true, errorDetails: false, }); + const addCompilerPrefix = msg => name ? bold(magenta(name + ': ')) + msg : msg; - if (field === 'errors' && stats.hasErrors()) { + + if (field === 'errors') { fields = fields.concat(info.errors.map(addCompilerPrefix)); - } - if (field === 'warnings' && stats.hasWarnings()) { + } else { fields = fields.concat(info.warnings.map(addCompilerPrefix)); } + if (stats.compilation.children) { stats.compilation.children.forEach((child, index) => { const name = child.name || `Child Compiler ${index + 1}`; const stats = child.getStats(); - fields = allFields(stats, field, fields, name); + if (field === 'errors' ? stats.hasErrors() : stats.hasWarnings()) { + fields = allFields(stats, field, fields, name); + } }); } - return fields; -} -/** Removes all loaders from any resource identifiers found in a string */ -function stripLoaderPrefix(str) { - if (typeof str === 'string') { - str = str.replace( - /(?:(\()|(^|\b|@))(\.\/~|\.{0,2}\/(?:[^\s]+\/)?node_modules)\/\w+-loader(\/[^?!]+)?(\?\?[\w_.-]+|\?({[\s\S]*?})?)?!/g, - '$1' - ); - str = str.replace(/(\.?\.?(?:\/[^/ ]+)+)\s+\(\1\)/g, '$1'); - str = replaceAll(str, process.cwd(), '.'); - return str; - } - return str; -} - -// https://gist.github.com/developit/1a40a6fee65361d1182aaa22ab8c334c -function replaceAll(str, find, replace) { - let s = '', - index, - next; - while (~(next = str.indexOf(find, index))) { - s += str.substring(index, next) + replace; - index = next + find.length; - } - return s + str.substring(index); + return fields; } /**