--- /dev/null
+"use strict";
+
+const isKeyframeRule = require("../../utils/isKeyframeRule");
+const isStandardSyntaxRule = require("../../utils/isStandardSyntaxRule");
+const isStandardSyntaxSelector = require("../../utils/isStandardSyntaxSelector");
+const optionsMatches = require("../../utils/optionsMatches");
+const parseSelector = require("../../utils/parseSelector");
+const report = require("../../utils/report");
+const resolvedNestedSelector = require("postcss-resolve-nested-selector");
+const ruleMessages = require("../../utils/ruleMessages");
+const validateOptions = require("../../utils/validateOptions");
+
+const ruleName = "selector-no-qualifying-type";
+
+const messages = ruleMessages(ruleName, {
+ rejected: "Unexpected qualifying type selector"
+});
+
+const selectorCharacters = ["#", ".", "["];
+
+function isSelectorCharacters(value) {
+ return selectorCharacters.some(char => value.indexOf(char) !== -1);
+}
+
+function getRightNodes(node) {
+ const result = [];
+ let rightNode = node;
+
+ while ((rightNode = rightNode.next())) {
+ if (rightNode.type === "combinator") {
+ break;
+ }
+ if (
+ rightNode.type !== "id" &&
+ rightNode.type !== "class" &&
+ rightNode.type !== "attribute"
+ ) {
+ continue;
+ }
+
+ result.push(rightNode);
+ }
+
+ return result;
+}
+
+const rule = function(enabled, options) {
+ return (root, result) => {
+ const validOptions = validateOptions(
+ result,
+ ruleName,
+ {
+ actual: enabled,
+ possible: [true, false]
+ },
+ {
+ actual: options,
+ possible: {
+ ignore: ["attribute", "class", "id"]
+ },
+ optional: true
+ }
+ );
+ if (!validOptions) {
+ return;
+ }
+
+ root.walkRules(rule => {
+ if (!isStandardSyntaxRule(rule)) {
+ return;
+ }
+ if (isKeyframeRule(rule)) {
+ return;
+ }
+ // Increasing performance
+ if (!isStandardSyntaxSelector(rule.selector)) {
+ return;
+ }
+ if (!isSelectorCharacters(rule.selector)) {
+ return;
+ }
+
+ function checkSelector(selectorAST) {
+ selectorAST.walkTags(selector => {
+ const selectorParent = selector.parent;
+
+ if (selectorParent.nodes.length === 1) {
+ return;
+ }
+
+ const selectorNodes = getRightNodes(selector);
+ const index = selector.sourceIndex;
+
+ selectorNodes.forEach(selectorNode => {
+ if (
+ selectorNode.type === "id" &&
+ !optionsMatches(options, "ignore", "id")
+ ) {
+ complain(index);
+ }
+
+ if (
+ selectorNode.type === "class" &&
+ !optionsMatches(options, "ignore", "class")
+ ) {
+ complain(index);
+ }
+
+ if (
+ selectorNode.type === "attribute" &&
+ !optionsMatches(options, "ignore", "attribute")
+ ) {
+ complain(index);
+ }
+ });
+ });
+ }
+
+ resolvedNestedSelector(rule.selector, rule).forEach(resolvedSelector => {
+ if (!isStandardSyntaxSelector(resolvedSelector)) {
+ return;
+ }
+
+ parseSelector(resolvedSelector, result, rule, checkSelector);
+ });
+
+ function complain(index) {
+ report({
+ ruleName,
+ result,
+ node: rule,
+ message: messages.rejected,
+ index
+ });
+ }
+ });
+ };
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;