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OliveTin/frontend/node_modules/stylelint/lib/rules/selector-max-attribute/index.mjs

111 lines
3.0 KiB
JavaScript

import selectorParser from 'postcss-selector-parser';
const { isRoot, isSelector } = selectorParser;
import { isRegExp, isString } from '../../utils/validateTypes.mjs';
import flattenNestedSelectorsForRule from '../../utils/flattenNestedSelectorsForRule.mjs';
import getStrippedSelectorSource from '../../utils/getStrippedSelectorSource.mjs';
import isContextFunctionalPseudoClass from '../../utils/isContextFunctionalPseudoClass.mjs';
import isNonNegativeInteger from '../../utils/isNonNegativeInteger.mjs';
import isStandardSyntaxRule from '../../utils/isStandardSyntaxRule.mjs';
import optionsMatches from '../../utils/optionsMatches.mjs';
import report from '../../utils/report.mjs';
import ruleMessages from '../../utils/ruleMessages.mjs';
import validateOptions from '../../utils/validateOptions.mjs';
const ruleName = 'selector-max-attribute';
const messages = ruleMessages(ruleName, {
expected: (selector, max) =>
`Expected "${selector}" to have no more than ${max} attribute ${
max === 1 ? 'selector' : 'selectors'
}`,
});
const meta = {
url: 'https://stylelint.io/user-guide/rules/selector-max-attribute',
};
/** @type {import('stylelint').CoreRules[ruleName]} */
const rule = (primary, secondaryOptions) => {
return (root, result) => {
const validOptions = validateOptions(
result,
ruleName,
{
actual: primary,
possible: isNonNegativeInteger,
},
{
actual: secondaryOptions,
possible: {
ignoreAttributes: [isString, isRegExp],
},
optional: true,
},
);
if (!validOptions) {
return;
}
/**
* @param {import('postcss-selector-parser').Selector} resolvedSelectorNode
* @param {import('postcss-selector-parser').Selector} selectorNode
* @param {import('postcss').Rule} ruleNode
*/
function checkSelector(resolvedSelectorNode, selectorNode, ruleNode) {
const count = resolvedSelectorNode.reduce((total, childNode) => {
if (childNode.type !== 'attribute') {
// Not an attribute node -> ignore
return total;
}
if (optionsMatches(secondaryOptions, 'ignoreAttributes', childNode.attribute)) {
// it's an attribute that is supposed to be ignored
return total;
}
total += 1;
return total;
}, 0);
if (count > primary) {
const { index, endIndex, selector: selectorStr } = getStrippedSelectorSource(selectorNode);
report({
ruleName,
result,
node: ruleNode,
message: messages.expected,
messageArgs: [selectorStr, primary],
index,
endIndex,
});
}
}
root.walkRules((ruleNode) => {
if (!isStandardSyntaxRule(ruleNode)) return;
flattenNestedSelectorsForRule(ruleNode, result).forEach(({ selector, resolvedSelectors }) => {
resolvedSelectors.walk((childSelector) => {
if (!isSelector(childSelector)) return;
if (
isRoot(childSelector.parent) ||
isContextFunctionalPseudoClass(childSelector.parent)
) {
checkSelector(childSelector, selector, ruleNode);
}
});
});
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
export default rule;