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- 'use strict';
- const _ = require('lodash');
- const atRuleParamIndex = require('../../utils/atRuleParamIndex');
- const isCustomMediaQuery = require('../../utils/isCustomMediaQuery');
- const isRangeContextMediaFeature = require('../../utils/isRangeContextMediaFeature');
- const isStandardSyntaxMediaFeatureName = require('../../utils/isStandardSyntaxMediaFeatureName');
- const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
- const mediaParser = require('postcss-media-query-parser').default;
- const rangeContextNodeParser = require('../rangeContextNodeParser');
- const report = require('../../utils/report');
- const ruleMessages = require('../../utils/ruleMessages');
- const validateOptions = require('../../utils/validateOptions');
- const ruleName = 'media-feature-name-allowed-list';
- const messages = ruleMessages(ruleName, {
- rejected: (name) => `Unexpected media feature name "${name}"`,
- });
- function rule(list) {
- return (root, result) => {
- const validOptions = validateOptions(result, ruleName, {
- actual: list,
- possible: [_.isString, _.isRegExp],
- });
- if (!validOptions) {
- return;
- }
- root.walkAtRules(/^media$/i, (atRule) => {
- mediaParser(atRule.params).walk(/^media-feature$/i, (mediaFeatureNode) => {
- const parent = mediaFeatureNode.parent;
- const mediaFeatureRangeContext = isRangeContextMediaFeature(parent.value);
- let value;
- let sourceIndex;
- if (mediaFeatureRangeContext) {
- const parsedRangeContext = rangeContextNodeParser(mediaFeatureNode);
- value = parsedRangeContext.name.value;
- sourceIndex = parsedRangeContext.name.sourceIndex;
- } else {
- value = mediaFeatureNode.value;
- sourceIndex = mediaFeatureNode.sourceIndex;
- }
- if (!isStandardSyntaxMediaFeatureName(value) || isCustomMediaQuery(value)) {
- return;
- }
- if (matchesStringOrRegExp(value, list)) {
- return;
- }
- report({
- index: atRuleParamIndex(atRule) + sourceIndex,
- message: messages.rejected(value),
- node: atRule,
- ruleName,
- result,
- });
- });
- });
- };
- }
- rule.primaryOptionArray = true;
- rule.ruleName = ruleName;
- rule.messages = messages;
- module.exports = rule;
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