overleaf/services/web/webpack.config.js
Timothée Alby 3c01402bbd Merge pull request #7034 from overleaf/ta-pdf-detach-full
PDF Detach v2

GitOrigin-RevId: 3deb76474185f9176cde23ab32ef51b90df6e8e9
2022-04-05 12:19:23 +00:00

355 lines
10 KiB
JavaScript

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 PackageVersions = require('./app/src/infrastructure/PackageVersions')
// Generate a hash of entry points, including modules
const entryPoints = {
serviceWorker: './frontend/js/serviceWorker.js',
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',
}
// 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: ${moduleName}`)
}
return entrypointPath.slice(0, idx + suffix.length)
}
const mathjaxDir = getModuleDirectory('mathjax')
const aceDir = getModuleDirectory('ace-builds')
const pdfjsVersions = ['pdfjs-dist210', 'pdfjs-dist213']
const vendorDir = path.join(__dirname, 'frontend/js/vendor')
module.exports = {
// Defines the "entry point(s)" for the application - i.e. the file which
// bootstraps the application
entry: entryPoints,
// Define where and how the bundle will be output to disk
// Note: webpack-dev-server does not write the bundle to disk, instead it is
// kept in memory for speed
output: {
path: path.join(__dirname, 'public'),
publicPath: '/',
// By default write into js directory
filename: 'js/[name].js',
// Output as UMD bundle (allows main JS to import with CJS, AMD or global
// style code bundles
libraryTarget: 'umd',
// Name the exported variable from output bundle
library: ['Frontend', '[name]'],
},
// Define how file types are handled by webpack
module: {
rules: [
{
// Pass application JS/TS files through babel-loader, compiling to ES5
test: /\.[j|t]sx?$/,
// 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'),
},
},
],
},
{
// Wrap worker scripts in a Web Worker
test: /\.worker\.js$/,
use: [
{
loader: 'worker-loader',
options: {
// Write into js directory (note: customising this is not possible
// with pdfjs-dist/webpack auto loader)
name: 'js/[name].[contenthash].js',
// Override dynamically-set publicPath to explicitly use root.
// This prevents a security problem where the Worker - normally
// loaded from a CDN - has cross-origin issues, by forcing it to not
// be loaded from the CDN
publicPath: '/',
},
},
],
},
{
test: /serviceWorker.js$/,
use: [
{
loader: 'worker-loader',
options: {
name: 'serviceWorker.js',
},
},
],
},
{
// Pass Less files through less-loader/css-loader/mini-css-extract-
// plugin (note: run in reverse order)
test: /\.less$/,
use: [
// Allows the CSS to be extracted to a separate .css file
{ loader: MiniCssExtractPlugin.loader },
// Resolves any CSS dependencies (e.g. url())
{ loader: 'css-loader' },
{
// Runs autoprefixer on CSS via postcss
loader: 'postcss-loader',
options: {
// Uniquely identifies the postcss plugin (required by webpack)
ident: 'postcss',
plugins: [require('autoprefixer')],
},
},
// Compiles the Less syntax to CSS
{ loader: 'less-loader' },
],
},
{
// Pass CSS files through css-loader & mini-css-extract-plugin (note: run in reverse order)
test: /\.css$/i,
use: [MiniCssExtractPlugin.loader, 'css-loader'],
},
{
// Load fonts
test: /\.(woff|woff2)$/,
use: [
{
loader: 'file-loader',
options: {
// Output to public/font
outputPath: 'fonts',
publicPath: '/fonts/',
name: '[name].[ext]',
},
},
],
},
{
// Load images (static files)
test: /\.(svg|gif|png|jpg|pdf)$/,
use: [
{
loader: 'file-loader',
options: {
// Output to public/images
outputPath: 'images',
publicPath: '/images/',
name: '[name].[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: 'jQuery',
},
{
loader: 'expose-loader',
options: '$',
},
],
},
{
// Expose angular global variable
test: require.resolve('angular'),
use: [
{
loader: 'expose-loader',
options: 'angular',
},
],
},
],
},
resolve: {
alias: {
// Aliases for AMD modules
// Enables ace/ace shortcut
ace: 'ace-builds/src-noconflict',
// fineupload vendored dependency (which we're aliasing to fineuploadER
// for some reason)
fineuploader: path.join(
__dirname,
`frontend/js/vendor/libs/${PackageVersions.lib('fineuploader')}`
),
},
symlinks: false,
extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'],
},
// Split out files into separate (derived) bundles if they are shared between
// multiple (explicit) bundles, according to some webpack heuristics
optimization: {
splitChunks: {
chunks: 'all',
},
},
plugins: [
// 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,
}),
// 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(
[
{ from: 'MathJax.js', to: 'js/libs/mathjax' },
{ from: 'config/**/*', to: 'js/libs/mathjax' },
{ from: 'extensions/**/*', to: 'js/libs/mathjax' },
{ from: 'localization/en/**/*', to: 'js/libs/mathjax' },
{ from: 'jax/output/HTML-CSS/fonts/TeX/**/*', to: 'js/libs/mathjax' },
{ from: 'jax/output/HTML-CSS/**/*.js', to: 'js/libs/mathjax' },
{ from: 'jax/element/**/*', to: 'js/libs/mathjax' },
{ from: 'jax/input/**/*', to: 'js/libs/mathjax' },
{ from: 'fonts/HTML-CSS/TeX/woff/*', to: 'js/libs/mathjax' },
],
{
context: mathjaxDir,
}
),
new CopyPlugin(
[
{
from: 'libs/sigma-master',
to: 'js/libs/sigma-master',
},
],
{
context: vendorDir,
}
),
new CopyPlugin(
[
{
from: 'src-min-noconflict',
to: `js/ace-${PackageVersions.version.ace}/`,
},
],
{
context: aceDir,
}
),
new CopyPlugin([
...pdfjsVersions.flatMap(version => {
const dir = getModuleDirectory(version)
// Copy CMap files (used to provide support for non-Latin characters)
// and static images from pdfjs-dist package to build output.
return [
{ from: `${dir}/cmaps`, to: `js/${version}/cmaps` },
{
from: `${dir}/legacy/web/images`,
to: `images/${version}`,
},
]
}),
]),
],
}