--- /dev/null
+"use strict";
+
+const _ = require("lodash");
+const postcss = require("postcss");
+const report = require("../../utils/report");
+const ruleMessages = require("../../utils/ruleMessages");
+const validateOptions = require("../../utils/validateOptions");
+
+const ruleName = "at-rule-blacklist";
+
+const messages = ruleMessages(ruleName, {
+ rejected: name => `Unexpected at-rule "${name}"`
+});
+
+const rule = function(blacklistInput) {
+ // To allow for just a string as a parameter (not only arrays of strings)
+ const blacklist = [].concat(blacklistInput);
+ return (root, result) => {
+ const validOptions = validateOptions(result, ruleName, {
+ actual: blacklist,
+ possible: [_.isString]
+ });
+ if (!validOptions) {
+ return;
+ }
+
+ root.walkAtRules(atRule => {
+ const name = atRule.name;
+
+ if (
+ blacklist.indexOf(postcss.vendor.unprefixed(name).toLowerCase()) === -1
+ ) {
+ return;
+ }
+
+ report({
+ message: messages.rejected(name),
+ node: atRule,
+ result,
+ ruleName
+ });
+ });
+ };
+};
+
+rule.primaryOptionArray = true;
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;