95 lines
2.3 KiB
JavaScript
95 lines
2.3 KiB
JavaScript
// @ts-nocheck
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'use strict';
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const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
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const keywordSets = require('../../reference/keywordSets');
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const report = require('../../utils/report');
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const ruleMessages = require('../../utils/ruleMessages');
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const styleSearch = require('style-search');
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const validateOptions = require('../../utils/validateOptions');
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const ruleName = 'selector-pseudo-element-colon-notation';
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const messages = ruleMessages(ruleName, {
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expected: (q) => `Expected ${q} colon pseudo-element notation`,
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});
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function rule(expectation, options, context) {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, {
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actual: expectation,
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possible: ['single', 'double'],
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});
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if (!validOptions) {
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return;
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}
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root.walkRules((rule) => {
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if (!isStandardSyntaxRule(rule)) {
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return;
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}
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const selector = rule.selector;
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// get out early if no pseudo elements or classes
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if (!selector.includes(':')) {
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return;
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}
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const fixPositions = [];
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// match only level 1 and 2 pseudo elements
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const pseudoElementsWithColons = Array.from(keywordSets.levelOneAndTwoPseudoElements).map(
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(x) => `:${x}`,
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);
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styleSearch({ source: selector.toLowerCase(), target: pseudoElementsWithColons }, (match) => {
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const prevCharIsColon = selector[match.startIndex - 1] === ':';
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if (expectation === 'single' && !prevCharIsColon) {
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return;
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}
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if (expectation === 'double' && prevCharIsColon) {
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return;
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}
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if (context.fix) {
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fixPositions.unshift({ rule, startIndex: match.startIndex });
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return;
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}
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report({
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message: messages.expected(expectation),
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node: rule,
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index: match.startIndex,
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result,
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ruleName,
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});
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});
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if (fixPositions.length) {
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// If expecting : then we found :: so remove one of the colons
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// If expecting :: then we found : so add one extra colon
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const expectedSingle = expectation === 'single';
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const offset = expectedSingle ? 1 : 0;
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const extraColon = expectedSingle ? '' : ':';
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fixPositions.forEach((fixPosition) => {
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rule.selector =
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rule.selector.substring(0, fixPosition.startIndex - offset) +
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extraColon +
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rule.selector.substring(fixPosition.startIndex);
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});
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}
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});
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};
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}
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rule.ruleName = ruleName;
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rule.messages = messages;
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module.exports = rule;
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