-
Notifications
You must be signed in to change notification settings - Fork 23
/
build-server.js
73 lines (66 loc) · 2.34 KB
/
build-server.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
'use strict';
// Do this as the first thing so that any code reading it knows the right env.
process.env.BABEL_ENV = 'production';
process.env.NODE_ENV = 'production';
const assetManifest = require('../build/client/asset-manifest.json');
if (!assetManifest) {
console.log(chalk.red('No assets-manifest.json found. Did you run the build-client script?.\n'));
}
// It'd be more efficient to set different process env to avoid JSON.stringify
// and later JSON.parse(process.env.REACT_APP_ASSET_MANIFEST || '{}').
process.env.REACT_APP_ASSET_MANIFEST = JSON.stringify(assetManifest);
const path = require('path');
const chalk = require('chalk');
const fs = require('fs-extra');
const webpack = require('webpack');
const formatWebpackMessages = require('react-dev-utils/formatWebpackMessages');
const config = require('../config/webpack.config.server');
const paths = require('../config/paths');
function build(previousFileSizes) {
console.log('Creating an optimized production build...');
fs.emptyDirSync(paths.serverBuild);
let compiler = webpack(config);
return new Promise((resolve, reject) => {
compiler.run((err, stats) => {
if (err) {
return reject(err);
}
const messages = formatWebpackMessages(stats.toJson({}, true));
if (messages.errors.length) {
return reject(new Error(messages.errors.join('\n\n')));
}
if (process.env.CI && messages.warnings.length) {
console.log(
chalk.yellow(
'\nTreating warnings as errors because process.env.CI = true.\n' +
'Most CI servers set it automatically.\n'
)
);
return reject(new Error(messages.warnings.join('\n\n')));
}
return resolve({
stats,
warnings: messages.warnings,
});
});
})
}
build()
.then( ({ stats, previousFileSizes, warnings }) => {
if (warnings.length) {
console.log(chalk.yellow('Compiled with warnings.\n'));
console.log(warnings.join('\n\n'));
console.log(
'\nSearch for the ' +
chalk.underline(chalk.yellow('keywords')) +
' to learn more about each warning.'
);
console.log(
'To ignore, add ' +
chalk.cyan('// eslint-disable-next-line') +
' to the line before.\n'
);
} else {
console.log(chalk.green('Compiled successfully.\n'));
}
})