1 files changed, 90 insertions, 0 deletions
diff --git a/assets/node_modules/stylelint/lib/rules/selector-pseudo-element-no-unknown/index.js b/assets/node_modules/stylelint/lib/rules/selector-pseudo-element-no-unknown/index.js
new file mode 100644
index 0000000..aad7ab9
--- /dev/null
+++ b/assets/node_modules/stylelint/lib/rules/selector-pseudo-element-no-unknown/index.js
@@ -0,0 +1,90 @@
+'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;