.gitignore added
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / stylelint / lib / rules / selector-max-attribute / index.js
diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/rules/selector-max-attribute/index.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/rules/selector-max-attribute/index.js
new file mode 100644 (file)
index 0000000..42e3860
--- /dev/null
@@ -0,0 +1,110 @@
+"use strict";
+
+const _ = require("lodash");
+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-max-attribute";
+
+const messages = ruleMessages(ruleName, {
+  expected: (selector, max) =>
+    `Expected "${selector}" to have no more than ${max} attribute ${
+      max === 1 ? "selector" : "selectors"
+    }`
+});
+
+function rule(max, options) {
+  return (root, result) => {
+    const validOptions = validateOptions(
+      result,
+      ruleName,
+      {
+        actual: max,
+        possible: [
+          function(max) {
+            return typeof max === "number" && max >= 0;
+          }
+        ]
+      },
+      {
+        actual: options,
+        possible: {
+          ignoreAttributes: [_.isString]
+        },
+        optional: true
+      }
+    );
+    if (!validOptions) {
+      return;
+    }
+
+    function checkSelector(selectorNode, ruleNode) {
+      const count = selectorNode.reduce((total, childNode) => {
+        // Only traverse inside actual selectors and :not()
+        if (childNode.type === "selector" || childNode.value === ":not") {
+          checkSelector(childNode, ruleNode);
+        }
+
+        if (childNode.type !== "attribute") {
+          // Not an attribute node -> ignore
+          return total;
+        }
+        if (optionsMatches(options, "ignoreAttributes", childNode.attribute)) {
+          // it's an attribute that is supposed to be ignored
+          return total;
+        }
+
+        return (total += 1);
+      }, 0);
+
+      if (
+        selectorNode.type !== "root" &&
+        selectorNode.type !== "pseudo" &&
+        count > max
+      ) {
+        report({
+          ruleName,
+          result,
+          node: ruleNode,
+          message: messages.expected(selectorNode, max),
+          word: selectorNode
+        });
+      }
+    }
+
+    root.walkRules(ruleNode => {
+      if (!isStandardSyntaxRule(ruleNode)) {
+        return;
+      }
+      if (!isStandardSyntaxSelector(ruleNode.selector)) {
+        return;
+      }
+      if (
+        ruleNode.nodes.some(
+          node => ["rule", "atrule"].indexOf(node.type) !== -1
+        )
+      ) {
+        // Skip unresolved nested selectors
+        return;
+      }
+
+      ruleNode.selectors.forEach(selector => {
+        resolvedNestedSelector(selector, ruleNode).forEach(resolvedSelector => {
+          parseSelector(resolvedSelector, result, ruleNode, container =>
+            checkSelector(container, ruleNode)
+          );
+        });
+      });
+    });
+  };
+}
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;