--- /dev/null
+/* @flow */
+"use strict";
+
+const _ = require("lodash");
+const hasInterpolation = require("../utils/hasInterpolation");
+/**
+ * Check whether a property is standard
+ */
+module.exports = function(property /*: string*/) /*: boolean*/ {
+ // SCSS var (e.g. $var: x), list (e.g. $list: (x)) or map (e.g. $map: (key:value))
+ if (property[0] === "$") {
+ return false;
+ }
+
+ // Less var (e.g. @var: x)
+ if (property[0] === "@") {
+ return false;
+ }
+
+ // Less append property value with space (e.g. transform+_: scale(2))
+ if (_.endsWith(property, "+") || _.endsWith(property, "+_")) {
+ return false;
+ }
+
+ // SCSS or Less interpolation
+ if (hasInterpolation(property)) {
+ return false;
+ }
+
+ return true;
+};