overleaf/services/web/webpack.config.js

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const path = require('path')
const glob = require('glob')
const webpack = require('webpack')
const CopyPlugin = require('copy-webpack-plugin')
const WebpackAssetsManifest = require('webpack-assets-manifest')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const {
LezerGrammarCompilerPlugin,
} = require('./webpack-plugins/lezer-grammar-compiler')
const PackageVersions = require('./app/src/infrastructure/PackageVersions')
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// Generate a hash of entry points, including modules
const entryPoints = {
main: './frontend/js/main.js',
ide: './frontend/js/ide.js',
'ide-detached': './frontend/js/ide-detached.js',
marketing: './frontend/js/marketing.js',
style: './frontend/stylesheets/style.less',
'ieee-style': './frontend/stylesheets/ieee-style.less',
'light-style': './frontend/stylesheets/light-style.less',
}
// ServiceWorker at /serviceWorker.js
entryPoints.serviceWorker = {
import: './frontend/js/serviceWorker.js',
publicPath: '/',
filename: 'serviceWorker.js',
}
// Add entrypoints for each "page"
glob
.sync(path.join(__dirname, 'modules/*/frontend/js/pages/**/*.js'))
.forEach(page => {
// in: /workspace/services/web/modules/foo/frontend/js/pages/bar.js
// out: modules/foo/pages/bar
const name = path
.relative(__dirname, page)
.replace(/frontend[/]js[/]/, '')
.replace(/.js$/, '')
entryPoints[name] = './' + path.relative(__dirname, page)
})
glob.sync(path.join(__dirname, 'frontend/js/pages/**/*.js')).forEach(page => {
// in: /workspace/services/web/frontend/js/pages/marketing/homepage.js
// out: pages/marketing/homepage
const name = path
.relative(path.join(__dirname, 'frontend/js/'), page)
.replace(/.js$/, '')
entryPoints[name] = './' + path.relative(__dirname, page)
})
function getModuleDirectory(moduleName) {
const entrypointPath = require.resolve(moduleName)
const suffix = `node_modules/${moduleName}`
const idx = entrypointPath.indexOf(suffix)
if (idx === -1) {
throw new Error(`could not find Node module: ${moduleName}`)
}
return entrypointPath.slice(0, idx + suffix.length)
}
const mathjaxDir = getModuleDirectory('mathjax')
const aceDir = getModuleDirectory('ace-builds')
const pdfjsVersions = ['pdfjs-dist210', 'pdfjs-dist213']
const vendorDir = path.join(__dirname, 'frontend/js/vendor')
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module.exports = {
// Defines the "entry point(s)" for the application - i.e. the file which
// bootstraps the application
entry: entryPoints,
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// Define where and how the bundle will be output to disk
// Note: webpack-dev-server does not write the bundle to disk, instead it is
// kept in memory for speed
output: {
path: path.join(__dirname, 'public'),
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publicPath: '/',
// By default write into js directory
filename: 'js/[name]-[contenthash].js',
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// Output as UMD bundle (allows main JS to import with CJS, AMD or global
// style code bundles
libraryTarget: 'umd',
// Name the exported variable from output bundle
library: ['Frontend', '[name]'],
},
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// Define how file types are handled by webpack
module: {
rules: [
{
// Pass application JS/TS files through babel-loader, compiling to ES5
test: /\.[j|t]sx?$/,
// Only compile application files (npm and vendored dependencies are in
// ES5 already)
exclude: [/node_modules\/(?!react-dnd\/)/, vendorDir],
use: [
{
loader: 'babel-loader',
options: {
// Configure babel-loader to cache compiled output so that
// subsequent compile runs are much faster
cacheDirectory: true,
configFile: path.join(__dirname, './babel.config.json'),
},
},
],
type: 'javascript/auto',
[misc] merge pdf caching into main (#4033) * [frontend] WIP: pdf caching using service worker -- squashed Ref: 920fbaa00b31530f7c457a2d93bad5e553798057 Co-Authored-By: Brian Gough <brian.gough@overleaf.com> Co-Authored-By: Eric Mc Sween <eric.mcsween@overleaf.com> * [misc] add contentId into the URL for protecting PDF stream contents * [misc] gracefully handle missing ranges in serviceWorker * [misc] support PDF stream caching for anonymous users * [misc] polish header names and add URL to error message when fetch fails * [misc] polish event handler registration * [misc] limit serviceWorker scope to /project/ -- trailing slash This will block the service worker from intercepting requests on the project dashboard. * [misc] add per-request feature flag for enabling PDF stream caching * [misc] expose compile stats and timings to the frontend * [misc] serviceWorker: support clsiServerId and compileGroup url params * [misc] serviceWorker: polish header maps * [misc] serviceWorker: drop TODO for p-limit -- the browser has a queue * [misc] serviceWorker: drop verbose log message on every fetch * [misc] cut down size of diff in backend code * [misc] add test case for forwarding of pdf caching and metrics details * [misc] serviceWorker: drop all the log lines * [misc] serviceWorker: add boundary guards to the compile request regex Co-authored-by: Brian Gough <brian.gough@overleaf.com> Co-authored-by: Eric Mc Sween <eric.mcsween@overleaf.com> GitOrigin-RevId: 4b291b4a4f2866cf07bccf8ec9068f33bbfdc916
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},
{
// Pass Less files through less-loader/css-loader/mini-css-extract-
// plugin (note: run in reverse order)
test: /\.less$/,
use: [
// Allows the CSS to be extracted to a separate .css file
{ loader: MiniCssExtractPlugin.loader },
// Resolves any CSS dependencies (e.g. url())
{ loader: 'css-loader' },
{
// Runs autoprefixer on CSS via postcss
loader: 'postcss-loader',
options: {
postcssOptions: {
plugins: ['autoprefixer'],
},
},
},
// Compiles the Less syntax to CSS
{ loader: 'less-loader' },
],
},
{
// Pass CSS files through css-loader & mini-css-extract-plugin (note: run in reverse order)
test: /\.css$/i,
use: [MiniCssExtractPlugin.loader, 'css-loader'],
},
{
// Load fonts
test: /\.(woff|woff2)$/,
type: 'asset/resource',
generator: {
filename: 'fonts/[name]-[contenthash][ext]',
},
},
{
// Load images (static files)
test: /\.(svg|gif|png|jpg|pdf)$/,
type: 'asset/resource',
generator: {
filename: 'images/[name]-[contenthash][ext]',
},
},
{
// These options are necessary for handlebars to have access to helper
// methods
test: /\.handlebars$/,
loader: 'handlebars-loader',
options: {
compat: true,
knownHelpersOnly: false,
runtimePath: 'handlebars/runtime',
},
},
{
// Load translations files with custom loader, to extract and apply
// fallbacks
test: /locales\/(\w{2}(-\w{2})?)\.json$/,
use: [
{
loader: path.join(__dirname, 'frontend/translations-loader.js'),
},
],
},
// Allow for injection of modules dependencies by reading contents of
// modules directory and adding necessary dependencies
{
test: path.join(__dirname, 'modules/modules-main.js'),
use: [
{
loader: 'val-loader',
},
],
},
{
test: path.join(__dirname, 'modules/modules-ide.js'),
use: [
{
loader: 'val-loader',
},
],
},
{
// Expose jQuery and $ global variables
test: require.resolve('jquery'),
use: [
{
loader: 'expose-loader',
options: {
exposes: ['$', 'jQuery'],
},
},
],
},
],
},
resolve: {
alias: {
// Aliases for AMD modules
// Enables ace/ace shortcut
ace: 'ace-builds/src-noconflict',
// fineupload vendored dependency (which we're aliasing to fineuploadER
// for some reason)
fineuploader: path.join(
__dirname,
`frontend/js/vendor/libs/${PackageVersions.lib('fineuploader')}`
),
},
symlinks: false,
extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'],
fallback: {
events: require.resolve('events'),
},
},
plugins: [
new LezerGrammarCompilerPlugin(),
// Generate a manifest.json file which is used by the backend to map the
// base filenames to the generated output filenames
new WebpackAssetsManifest({
entrypoints: true,
publicPath: true,
output: 'manifest.json',
}),
new webpack.EnvironmentPlugin({
// Ensure that process.env.RESET_APP_DATA_TIMER is defined, to avoid an error.
// https://github.com/algolia/algoliasearch-client-javascript/issues/756
RESET_APP_DATA_TIMER: '120000',
// Ensure that process.env.CYPRESS is defined (see utils/worker.js)
CYPRESS: false,
}),
// Prevent moment from loading (very large) locale files that aren't used
new webpack.IgnorePlugin({
resourceRegExp: /^\.\/locale$/,
contextRegExp: /moment$/,
}),
// Copy the required files for loading MathJax from MathJax NPM package
new CopyPlugin({
patterns: [
{ from: 'MathJax.js', to: 'js/libs/mathjax', context: mathjaxDir },
{ from: 'config/**/*', to: 'js/libs/mathjax', context: mathjaxDir },
{
from: 'extensions/**/*',
globOptions: {
// https://github.com/mathjax/MathJax/issues/2403
ignore: ['**/mathmaps/*.js'],
},
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{
from: 'localization/en/**/*',
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{
from: 'jax/output/HTML-CSS/fonts/TeX/**/*',
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{
from: 'jax/output/HTML-CSS/**/*.js',
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{
from: 'jax/element/**/*',
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{ from: 'jax/input/**/*', to: 'js/libs/mathjax', context: mathjaxDir },
{
from: 'fonts/HTML-CSS/TeX/woff/*',
to: 'js/libs/mathjax',
context: mathjaxDir,
},
{
from: 'libs/sigma-master',
to: 'js/libs/sigma-master',
context: vendorDir,
},
{
from: 'src-min-noconflict',
to: `js/ace-${PackageVersions.version.ace}/`,
context: aceDir,
},
...pdfjsVersions.flatMap(version => {
const dir = getModuleDirectory(version)
// Copy CMap files (used to provide support for non-Latin characters)
// and static images from pdfjs-dist package to build output.
return [
{ from: `cmaps`, to: `js/${version}/cmaps`, context: dir },
{
from: `legacy/web/images`,
to: `images/${version}`,
context: dir,
},
]
}),
],
}),
],
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}