Initial commit

node_modules/stylelint/lib/rules/selector-pseudo-class-no-unknown/index.js

@@ -0,0 +1,101 @@
+"use strict"
+
+const isStandardSyntaxRule = require("../../utils/isStandardSyntaxRule")
+const isStandardSyntaxSelector = require("../../utils/isStandardSyntaxSelector")
+const isCustomSelector = require("../../utils/isCustomSelector")
+const optionsMatches = require("../../utils/optionsMatches")
+const parseSelector = require("../../utils/parseSelector")
+const report = require("../../utils/report")
+const ruleMessages = require("../../utils/ruleMessages")
+const validateOptions = require("../../utils/validateOptions")
+const keywordSets = require("../../reference/keywordSets")
+const _ = require("lodash")
+const postcss = require("postcss")
+
+const ruleName = "selector-pseudo-class-no-unknown"
+
+const messages = ruleMessages(ruleName, {
+  rejected: selector => `Unexpected unknown pseudo-class selector "${selector}"`,
+})
+
+const rule = function (actual, options) {
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, { actual }, {
+      actual: options,
+      possible: {
+        ignorePseudoClasses: [_.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.indexOf(":") === -1) {
+        return
+      }
+
+      parseSelector(selector, result, rule, selectorTree => {
+        selectorTree.walkPseudos(pseudoNode => {
+          const value = pseudoNode.value
+
+          if (!isStandardSyntaxSelector(value)) {
+            return
+          }
+
+          if (isCustomSelector(value)) {
+            return
+          }
+
+          // Ignore pseudo-elements
+          if (value.slice(0, 2) === "::") {
+            return
+          }
+
+          if (optionsMatches(options, "ignorePseudoClasses", pseudoNode.value.slice(1))) {
+            return
+          }
+
+          const name = value.slice(1)
+
+          if (postcss.vendor.prefix(name)
+            || keywordSets.pseudoClasses.has(name.toLowerCase())
+            || keywordSets.pseudoElements.has(name.toLowerCase())
+          ) {
+            return
+          }
+
+          if (pseudoNode.prev()) {
+            const prevPseudoNodeValue = postcss.vendor.unprefixed(pseudoNode.prev().value.toLowerCase().slice(2))
+
+            if (keywordSets.webkitProprietaryPseudoElements.has(prevPseudoNodeValue)
+              && keywordSets.webkitProprietaryPseudoClasses.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