ES6 rest parameters test (#2516)

* ES6 rest parameters test

* Modify 'config-all.json' for adding "es6/rest-parameters"

* Indentation format

* Add caniuse tag

* Add spec link

feature-detects/es6/rest-parameters.js

@@ -0,0 +1,27 @@
+/*!
+{
+  "name": "ES6 Rest parameters",
+  "property": "restparameters",
+  "notes": [{
+    "name": "ECMAScript 6 language specification",
+    "href": "https://www.ecma-international.org/ecma-262/6.0/#sec-function-definitions"
+  }],
+  "caniuse": "rest",
+  "authors": ["dabretin"],
+  "tags": ["es6"]
+}
+!*/
+/* DOC
+Check if browser implements ECMAScript 6 Rest parameters per specification.
+*/
+define(['Modernizr'], function(Modernizr) {
+  Modernizr.addTest('restparameters', function() {
+    try {
+      // eslint-disable-next-line
+      eval('function f(...rest) {}');
+    } catch (e) {
+      return false;
+    }
+    return true;
+  });
+});

lib/config-all.json

@@ -177,6 +177,7 @@
     "es6/promises",
     "es6/string",
     "es6/symbol",
+    "es6/rest-parameters",
     "es6/string-template",
     "es6/spread-array",
     "es7/array",