--- /dev/null
+"use strict";
+
+const isAutoprefixable = require("../../utils/isAutoprefixable");
+const report = require("../../utils/report");
+const ruleMessages = require("../../utils/ruleMessages");
+const validateOptions = require("../../utils/validateOptions");
+
+const ruleName = "property-no-vendor-prefix";
+
+const messages = ruleMessages(ruleName, {
+ rejected: property => `Unexpected vendor-prefix "${property}"`
+});
+
+const rule = function(actual) {
+ return (root, result) => {
+ const validOptions = validateOptions(result, ruleName, { actual });
+ if (!validOptions) {
+ return;
+ }
+
+ root.walkDecls(decl => {
+ const prop = decl.prop;
+
+ // Make sure there's a vendor prefix,
+ // but this isn't a custom property
+
+ if (prop[0] !== "-" || prop[1] === "-") {
+ return;
+ }
+
+ if (!isAutoprefixable.property(prop)) {
+ return;
+ }
+ report({
+ message: messages.rejected(prop),
+ node: decl,
+ result,
+ ruleName
+ });
+ });
+ };
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;