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- // @ts-nocheck
-
- 'use strict';
-
- const declarationValueIndex = require('../../utils/declarationValueIndex');
- const findFontFamily = require('../../utils/findFontFamily');
- const isStandardSyntaxValue = require('../../utils/isStandardSyntaxValue');
- const isVariable = require('../../utils/isVariable');
- const keywordSets = require('../../reference/keywordSets');
- const optionsMatches = require('../../utils/optionsMatches');
- const postcss = require('postcss');
- const report = require('../../utils/report');
- const ruleMessages = require('../../utils/ruleMessages');
- const validateOptions = require('../../utils/validateOptions');
-
- const _ = require('lodash');
-
- const ruleName = 'font-family-no-missing-generic-family-keyword';
-
- const messages = ruleMessages(ruleName, {
- rejected: 'Unexpected missing generic font family',
- });
-
- const isFamilyNameKeyword = (node) =>
- !node.quote && keywordSets.fontFamilyKeywords.has(node.value.toLowerCase());
-
- const isLastFontFamilyVariable = (value) => {
- const lastValue = postcss.list.comma(value).pop();
-
- return isVariable(lastValue) || !isStandardSyntaxValue(lastValue);
- };
-
- function rule(actual, options) {
- return (root, result) => {
- const validOptions = validateOptions(
- result,
- ruleName,
- { actual },
- {
- actual: options,
- possible: {
- ignoreFontFamilies: [_.isString, _.isRegExp],
- },
- optional: true,
- },
- );
-
- if (!validOptions) {
- return;
- }
-
- root.walkDecls(/^font(-family)?$/i, (decl) => {
- // Ignore @font-face
- if (
- decl.parent &&
- decl.parent.type === 'atrule' &&
- decl.parent.name.toLowerCase() === 'font-face'
- ) {
- return;
- }
-
- if (decl.prop === 'font' && keywordSets.systemFontValues.has(decl.value.toLowerCase())) {
- return;
- }
-
- if (isLastFontFamilyVariable(decl.value)) {
- return;
- }
-
- const fontFamilies = findFontFamily(decl.value);
-
- if (fontFamilies.length === 0) {
- return;
- }
-
- if (fontFamilies.some(isFamilyNameKeyword)) {
- return;
- }
-
- if (fontFamilies.some((node) => optionsMatches(options, 'ignoreFontFamilies', node.value))) {
- return;
- }
-
- report({
- result,
- ruleName,
- message: messages.rejected,
- node: decl,
- index: declarationValueIndex(decl) + fontFamilies[fontFamilies.length - 1].sourceIndex,
- });
- });
- };
- }
-
- rule.ruleName = ruleName;
- rule.messages = messages;
- module.exports = rule;
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