+++ /dev/null
-"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 ${name}`
-});
-
-const isFamilyNameKeyword = node =>
- !node.quote && keywordSets.fontFamilyKeywords.has(node.value.toLowerCase());
-
-const rule = function(actual, options) {
- return (root, result) => {
- const validOptions = validateOptions(
- result,
- ruleName,
- { actual },
- {
- actual: options,
- possible: {
- ignoreFontFamilyNames: [_.isString]
- },
- optional: true
- }
- );
- if (!validOptions) {
- return;
- }
-
- root.walkDecls(/^font(-family)?$/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;