/
index.js
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/
index.js
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'use strict';
const mediaParser = require('postcss-media-query-parser').default;
const atRuleParamIndex = require('../../utils/atRuleParamIndex');
const isRangeContextMediaFeature = require('../../utils/isRangeContextMediaFeature');
const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
const optionsMatches = require('../../utils/optionsMatches');
const rangeContextNodeParser = require('../rangeContextNodeParser');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateObjectWithArrayProps = require('../../utils/validateObjectWithArrayProps');
const validateOptions = require('../../utils/validateOptions');
const { isString, isRegExp } = require('../../utils/validateTypes');
const vendor = require('../../utils/vendor');
const ruleName = 'media-feature-name-value-allowed-list';
const messages = ruleMessages(ruleName, {
rejected: (name, value) => `Unexpected value "${value}" for name "${name}"`,
});
const meta = {
url: 'https://stylelint.io/user-guide/rules/list/media-feature-name-value-allowed-list',
};
/** @type {import('stylelint').Rule<Record<string, Array<string | RegExp>>>} */
const rule = (primary) => {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: primary,
possible: [validateObjectWithArrayProps([isString, isRegExp])],
});
if (!validOptions) {
return;
}
root.walkAtRules(/^media$/i, (atRule) => {
mediaParser(atRule.params).walk(/^media-feature-expression$/i, (node) => {
if (!node.nodes) return;
const mediaFeatureRangeContext = isRangeContextMediaFeature(node.parent.value);
// Ignore boolean
if (!node.value.includes(':') && !mediaFeatureRangeContext) {
return;
}
const mediaFeatureNode = node.nodes.find((n) => n.type === 'media-feature');
if (mediaFeatureNode == null) throw new Error('A `media-feature` node must be present');
let mediaFeatureName;
let values;
if (mediaFeatureRangeContext) {
const parsedRangeContext = rangeContextNodeParser(mediaFeatureNode);
mediaFeatureName = parsedRangeContext.name.value;
values = parsedRangeContext.values;
} else {
mediaFeatureName = mediaFeatureNode.value;
const valueNode = node.nodes.find((n) => n.type === 'value');
if (valueNode == null) throw new Error('A `value` node must be present');
values = [valueNode];
}
for (const valueNode of values) {
const value = valueNode.value;
const unprefixedMediaFeatureName = vendor.unprefixed(mediaFeatureName);
const allowedValuesKey = Object.keys(primary).find((featureName) =>
matchesStringOrRegExp(unprefixedMediaFeatureName, featureName),
);
if (allowedValuesKey == null) {
return;
}
if (optionsMatches(primary, allowedValuesKey, value)) {
return;
}
report({
index: atRuleParamIndex(atRule) + valueNode.sourceIndex,
message: messages.rejected(mediaFeatureName, value),
node: atRule,
ruleName,
result,
});
}
});
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
module.exports = rule;