|
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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