1  'use strict';
 2  
 3  const stylelint = require('stylelint');
 4  const path = require('path');
 5  
 6  const CONFIG = require('../config');
 7  
 8  module.exports = function() {
 9    return stylelint
10      .lint({
11        files: path.join(CONFIG.repositoryRootPath, 'static/**/*.less'),
12        configBasedir: __dirname,
13        configFile: path.resolve(__dirname, '..', '..', 'stylelint.config.js')
14      })
15      .then(({ results }) => {
16        const errors = [];
17  
18        for (const result of results) {
19          for (const deprecation of result.deprecations) {
20            console.log('stylelint encountered deprecation:', deprecation.text);
21            if (deprecation.reference != null) {
22              console.log('more information at', deprecation.reference);
23            }
24          }
25  
26          for (const invalidOptionWarning of result.invalidOptionWarnings) {
27            console.warn(
28              'stylelint encountered invalid option:',
29              invalidOptionWarning.text
30            );
31          }
32  
33          if (result.errored) {
34            for (const warning of result.warnings) {
35              if (warning.severity === 'error') {
36                errors.push({
37                  path: result.source,
38                  lineNumber: warning.line,
39                  message: warning.text,
40                  rule: warning.rule
41                });
42              } else {
43                console.warn(
44                  'stylelint encountered non-critical warning in file',
45                  result.source,
46                  'at line',
47                  warning.line,
48                  'for rule',
49                  warning.rule + ':',
50                  warning.text
51                );
52              }
53            }
54          }
55        }
56  
57        return errors;
58      })
59      .catch(err => {
60        console.error('There was a problem linting LESS:');
61        throw err;
62      });
63  };