|
1 |
| -const path = require('path'); |
2 | 1 | const paths = require('./scripts/utils/paths');
|
3 | 2 |
|
4 |
| -const loaderNameMatches = function(rule, loader_name) { |
5 |
| - return rule && rule.loader && typeof rule.loader === 'string' && |
6 |
| - (rule.loader.indexOf(`${path.sep}${loader_name}${path.sep}`) !== -1 || |
7 |
| - rule.loader.indexOf(`@${loader_name}${path.sep}`) !== -1); |
8 |
| -}; |
9 |
| - |
10 |
| -const babelLoaderMatcher = function(rule) { |
11 |
| - return loaderNameMatches(rule, 'babel-loader'); |
12 |
| -}; |
13 |
| - |
14 |
| -const getLoader = function(rules, matcher) { |
15 |
| - let loader; |
16 |
| - |
17 |
| - rules.some(rule => { |
18 |
| - return (loader = matcher(rule) |
19 |
| - ? rule |
20 |
| - : getLoader(rule.use || rule.oneOf || (Array.isArray(rule.loader) && rule.loader) || [], matcher)); |
21 |
| - }); |
22 |
| - |
23 |
| - return loader; |
24 |
| -}; |
25 |
| - |
26 |
| -const getBabelLoader = function(rules) { |
27 |
| - return getLoader(rules, babelLoaderMatcher); |
28 |
| -}; |
29 |
| - |
30 |
| -const injectBabelPlugin = function(pluginName, config) { |
31 |
| - const loader = getBabelLoader(config.module.rules); |
32 |
| - if (!loader) { |
33 |
| - console.log('babel-loader not found'); |
34 |
| - return config; |
35 |
| - } |
36 |
| - // Older versions of webpack have `plugins` on `loader.query` instead of `loader.options`. |
37 |
| - const options = loader.options || loader.query; |
38 |
| - options.plugins = [pluginName].concat(options.plugins || []); |
39 |
| - return config; |
40 |
| -}; |
41 |
| - |
42 |
| -const compose = function(...funcs) { |
43 |
| - if (funcs.length === 0) { |
44 |
| - return config => config; |
45 |
| - } |
46 |
| - |
47 |
| - if (funcs.length === 1) { |
48 |
| - return funcs[0]; |
49 |
| - } |
50 |
| - |
51 |
| - return funcs.reduce((a, b) => (config, env) => a(b(config, env), env)); |
52 |
| -}; |
53 |
| - |
54 | 3 | module.exports = {
|
55 |
| - getLoader, |
56 |
| - loaderNameMatches, |
57 |
| - getBabelLoader, |
58 |
| - injectBabelPlugin, |
59 |
| - compose, |
60 | 4 | paths
|
61 | 5 | };
|
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