| "use strict"; |
| |
| const _ = require("lodash"); |
| const declarationValueIndex = require("../../utils/declarationValueIndex"); |
| const findFontFamily = require("../../utils/findFontFamily"); |
| const keywordSets = require("../../reference/keywordSets"); |
| const optionsMatches = require("../../utils/optionsMatches"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| |
| const ruleName = "font-family-no-duplicate-names"; |
| |
| const messages = ruleMessages(ruleName, { |
| rejected: name => `Unexpected duplicate name ${name}` |
| }); |
| |
| const isFamilyNameKeyword = node => |
| !node.quote && keywordSets.fontFamilyKeywords.has(node.value.toLowerCase()); |
| |
| const rule = function(actual, options) { |
| return (root, result) => { |
| const validOptions = validateOptions( |
| result, |
| ruleName, |
| { actual }, |
| { |
| actual: options, |
| possible: { |
| ignoreFontFamilyNames: [_.isString, _.isRegExp] |
| }, |
| optional: true |
| } |
| ); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkDecls(/^font(-family)?$/i, decl => { |
| const keywords = new Set(); |
| const familyNames = new Set(); |
| |
| const fontFamilies = findFontFamily(decl.value); |
| |
| if (fontFamilies.length === 0) { |
| return; |
| } |
| |
| fontFamilies.forEach(fontFamilyNode => { |
| const family = fontFamilyNode.value.trim(); |
| |
| if ( |
| optionsMatches( |
| options, |
| "ignoreFontFamilyNames", |
| fontFamilyNode.value.trim() |
| ) |
| ) { |
| return; |
| } |
| |
| if (isFamilyNameKeyword(fontFamilyNode)) { |
| if (keywords.has(family.toLowerCase())) { |
| complain( |
| messages.rejected(family), |
| declarationValueIndex(decl) + fontFamilyNode.sourceIndex, |
| decl |
| ); |
| |
| return; |
| } |
| |
| keywords.add(family); |
| |
| return; |
| } |
| |
| if (familyNames.has(family)) { |
| complain( |
| messages.rejected(family), |
| declarationValueIndex(decl) + fontFamilyNode.sourceIndex, |
| decl |
| ); |
| |
| return; |
| } |
| |
| familyNames.add(family); |
| }); |
| }); |
| |
| function complain(message, index, decl) { |
| report({ |
| result, |
| ruleName, |
| message, |
| node: decl, |
| index |
| }); |
| } |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |