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2020-11-01 22:46:04 +00:00

93 lines
2.1 KiB
JavaScript

// @ts-nocheck
'use strict';
const _ = require('lodash');
const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
const isStandardSyntaxSelector = require('../../utils/isStandardSyntaxSelector');
const keywordSets = require('../../reference/keywordSets');
const optionsMatches = require('../../utils/optionsMatches');
const parseSelector = require('../../utils/parseSelector');
const postcss = require('postcss');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const ruleName = 'selector-pseudo-element-no-unknown';
const messages = ruleMessages(ruleName, {
rejected: (selector) => `Unexpected unknown pseudo-element selector "${selector}"`,
});
function rule(actual, options) {
return (root, result) => {
const validOptions = validateOptions(
result,
ruleName,
{ actual },
{
actual: options,
possible: {
ignorePseudoElements: [_.isString],
},
optional: true,
},
);
if (!validOptions) {
return;
}
root.walkRules((rule) => {
if (!isStandardSyntaxRule(rule)) {
return;
}
const selector = rule.selector;
// Return early before parse if no pseudos for performance
if (!selector.includes(':')) {
return;
}
parseSelector(selector, result, rule, (selectorTree) => {
selectorTree.walkPseudos((pseudoNode) => {
const value = pseudoNode.value;
if (!isStandardSyntaxSelector(value)) {
return;
}
// Ignore pseudo-classes
if (value.slice(0, 2) !== '::') {
return;
}
if (optionsMatches(options, 'ignorePseudoElements', pseudoNode.value.slice(2))) {
return;
}
const name = value.slice(2);
if (postcss.vendor.prefix(name) || keywordSets.pseudoElements.has(name.toLowerCase())) {
return;
}
report({
message: messages.rejected(value),
node: rule,
index: pseudoNode.sourceIndex,
ruleName,
result,
});
});
});
});
};
}
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;