1 | 'use strict';
|
2 |
|
3 | const _ = require('lodash');
|
4 | const declarationValueIndex = require('../../utils/declarationValueIndex');
|
5 | const findFontFamily = require('../../utils/findFontFamily');
|
6 | const keywordSets = require('../../reference/keywordSets');
|
7 | const optionsMatches = require('../../utils/optionsMatches');
|
8 | const report = require('../../utils/report');
|
9 | const ruleMessages = require('../../utils/ruleMessages');
|
10 | const validateOptions = require('../../utils/validateOptions');
|
11 |
|
12 | const ruleName = 'font-family-no-duplicate-names';
|
13 |
|
14 | const messages = ruleMessages(ruleName, {
|
15 | rejected: (name) => `Unexpected duplicate name ${name}`,
|
16 | });
|
17 |
|
18 | const isFamilyNameKeyword = (node) =>
|
19 | !node.quote && keywordSets.fontFamilyKeywords.has(node.value.toLowerCase());
|
20 |
|
21 | function rule(actual, options) {
|
22 | return (root, result) => {
|
23 | const validOptions = validateOptions(
|
24 | result,
|
25 | ruleName,
|
26 | { actual },
|
27 | {
|
28 | actual: options,
|
29 | possible: {
|
30 | ignoreFontFamilyNames: [_.isString, _.isRegExp],
|
31 | },
|
32 | optional: true,
|
33 | },
|
34 | );
|
35 |
|
36 | if (!validOptions) {
|
37 | return;
|
38 | }
|
39 |
|
40 | root.walkDecls(/^font(-family)?$/i, (decl) => {
|
41 | const keywords = new Set();
|
42 | const familyNames = new Set();
|
43 |
|
44 | const fontFamilies = findFontFamily(decl.value);
|
45 |
|
46 | if (fontFamilies.length === 0) {
|
47 | return;
|
48 | }
|
49 |
|
50 | fontFamilies.forEach((fontFamilyNode) => {
|
51 | const family = fontFamilyNode.value.trim();
|
52 |
|
53 | if (optionsMatches(options, 'ignoreFontFamilyNames', fontFamilyNode.value.trim())) {
|
54 | return;
|
55 | }
|
56 |
|
57 | if (isFamilyNameKeyword(fontFamilyNode)) {
|
58 | if (keywords.has(family.toLowerCase())) {
|
59 | complain(
|
60 | messages.rejected(family),
|
61 | declarationValueIndex(decl) + fontFamilyNode.sourceIndex,
|
62 | decl,
|
63 | );
|
64 |
|
65 | return;
|
66 | }
|
67 |
|
68 | keywords.add(family);
|
69 |
|
70 | return;
|
71 | }
|
72 |
|
73 | if (familyNames.has(family)) {
|
74 | complain(
|
75 | messages.rejected(family),
|
76 | declarationValueIndex(decl) + fontFamilyNode.sourceIndex,
|
77 | decl,
|
78 | );
|
79 |
|
80 | return;
|
81 | }
|
82 |
|
83 | familyNames.add(family);
|
84 | });
|
85 | });
|
86 |
|
87 | function complain(message, index, decl) {
|
88 | report({
|
89 | result,
|
90 | ruleName,
|
91 | message,
|
92 | node: decl,
|
93 | index,
|
94 | });
|
95 | }
|
96 | };
|
97 | }
|
98 |
|
99 | rule.ruleName = ruleName;
|
100 | rule.messages = messages;
|
101 | module.exports = rule;
|