forked from jupyterlab/jupyterlab
/
webpack.config.js
236 lines (219 loc) · 6.72 KB
/
webpack.config.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/*-----------------------------------------------------------------------------
| Copyright (c) Jupyter Development Team.
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/
var path = require('path');
var fs = require('fs-extra');
var Handlebars = require('handlebars');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var webpack = require('webpack');
var DuplicatePackageCheckerPlugin = require('duplicate-package-checker-webpack-plugin');
var Visualizer = require('webpack-visualizer-plugin');
var Build = require('@jupyterlab/buildutils').Build;
var package_data = require('./package.json');
// Handle the extensions.
var jlab = package_data.jupyterlab;
var extensions = jlab.extensions;
var mimeExtensions = jlab.mimeExtensions;
var packageNames = Object.keys(mimeExtensions).concat(Object.keys(extensions));
// Ensure a clear build directory.
var buildDir = path.resolve(jlab.buildDir);
if (fs.existsSync(buildDir)) {
fs.removeSync(buildDir);
}
fs.ensureDirSync(buildDir);
// Build the assets
var extraConfig = Build.ensureAssets({
packageNames: packageNames,
output: jlab.outputDir
});
// Create the entry point file.
var source = fs.readFileSync('index.js').toString();
var template = Handlebars.compile(source);
var data = {
jupyterlab_extensions: extensions,
jupyterlab_mime_extensions: mimeExtensions
};
var result = template(data);
fs.writeFileSync(path.join(buildDir, 'index.out.js'), result);
fs.copySync('./package.json', path.join(buildDir, 'package.json'));
fs.copySync(
path.join(jlab.outputDir, 'imports.css'),
path.join(buildDir, 'imports.css')
);
// Set up variables for watch mode.
var localLinked = {};
var ignoreCache = Object.create(null);
Object.keys(jlab.linkedPackages).forEach(function(name) {
var localPath = require.resolve(path.join(name, 'package.json'));
localLinked[name] = path.dirname(localPath);
});
var ignorePatterns = [/^\.\#/]; // eslint-disable-line
/**
* Sync a local path to a linked package path if they are files and differ.
*/
function maybeSync(localPath, name, rest) {
var stats = fs.statSync(localPath);
if (!stats.isFile(localPath)) {
return;
}
var source = fs.realpathSync(path.join(jlab.linkedPackages[name], rest));
if (source === fs.realpathSync(localPath)) {
return;
}
fs.watchFile(source, { interval: 500 }, function(curr) {
if (!curr || curr.nlink === 0) {
return;
}
try {
fs.copySync(source, localPath);
} catch (err) {
console.error(err);
}
});
}
/**
* A WebPack Plugin that copies the assets to the static directory and
* fixes the output of the HTMLWebpackPlugin
*/
function JupyterFrontEndPlugin() {}
JupyterFrontEndPlugin.prototype.apply = function(compiler) {
compiler.hooks.afterEmit.tap(
'JupyterFrontEndPlugin',
function() {
// Copy the static assets.
var staticDir = jlab.staticDir;
if (!staticDir) {
return;
}
// Ensure a clean static directory on the first emit.
if (this._first && fs.existsSync(staticDir)) {
fs.removeSync(staticDir);
}
this._first = false;
fs.copySync(buildDir, staticDir);
}.bind(this)
);
};
JupyterFrontEndPlugin.prototype._first = true;
const plugins = [
new DuplicatePackageCheckerPlugin({
verbose: true,
exclude(instance) {
// ignore known duplicates
return ['domelementtype', 'hash-base', 'inherits'].includes(
instance.name
);
}
}),
new HtmlWebpackPlugin({
chunksSortMode: 'none',
template: path.join('templates', 'template.html'),
title: jlab.name || 'JupyterLab'
}),
new webpack.HashedModuleIdsPlugin(),
new JupyterFrontEndPlugin({})
];
if (process.argv.includes('--analyze')) {
plugins.push(new Visualizer());
}
module.exports = [
{
mode: 'development',
entry: {
main: ['whatwg-fetch', path.resolve(buildDir, 'index.out.js')]
},
output: {
path: path.resolve(buildDir),
publicPath: '{{page_config.fullStaticUrl}}/',
filename: '[name].[chunkhash].js'
},
optimization: {
splitChunks: {
chunks: 'all'
}
},
module: {
rules: [
{ test: /\.css$/, use: ['style-loader', 'css-loader'] },
{ test: /\.md$/, use: 'raw-loader' },
{ test: /\.txt$/, use: 'raw-loader' },
{
test: /\.js$/,
use: ['source-map-loader'],
enforce: 'pre',
// eslint-disable-next-line no-undef
exclude: /node_modules/
},
{ test: /\.(jpg|png|gif)$/, use: 'file-loader' },
{ test: /\.js.map$/, use: 'file-loader' },
{
test: /\.woff2(\?v=\d+\.\d+\.\d+)?$/,
use: 'url-loader?limit=10000&mimetype=application/font-woff'
},
{
test: /\.woff(\?v=\d+\.\d+\.\d+)?$/,
use: 'url-loader?limit=10000&mimetype=application/font-woff'
},
{
test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
use: 'url-loader?limit=10000&mimetype=application/octet-stream'
},
{
test: /\.otf(\?v=\d+\.\d+\.\d+)?$/,
use: 'url-loader?limit=10000&mimetype=application/octet-stream'
},
{ test: /\.eot(\?v=\d+\.\d+\.\d+)?$/, use: 'file-loader' },
{
test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
use: 'url-loader?limit=10000&mimetype=image/svg+xml'
}
]
},
watchOptions: {
ignored: function(localPath) {
localPath = path.resolve(localPath);
if (localPath in ignoreCache) {
return ignoreCache[localPath];
}
// Ignore files with certain patterns
var baseName = localPath.replace(/^.*[\\\/]/, ''); // eslint-disable-line
if (
ignorePatterns.some(function(rexp) {
return baseName.match(rexp);
})
) {
return true;
}
// Limit the watched files to those in our local linked package dirs.
var ignore = true;
Object.keys(localLinked).some(function(name) {
// Bail if already found.
var rootPath = localLinked[name];
var contained = localPath.indexOf(rootPath + path.sep) !== -1;
if (localPath !== rootPath && !contained) {
return false;
}
var rest = localPath.slice(rootPath.length);
if (rest.indexOf('node_modules') === -1) {
ignore = false;
maybeSync(localPath, name, rest);
}
return true;
});
ignoreCache[localPath] = ignore;
return ignore;
}
},
node: {
fs: 'empty'
},
bail: true,
devtool: 'source-map',
externals: ['node-fetch', 'ws'],
plugins,
stats: {
chunkModules: true
}
}
].concat(extraConfig);