Fix.

node_modules/es-abstract/helpers/assign.js

@@ -1,17 +0,0 @@
-var bind = require('function-bind');
-var has = bind.call(Function.call, Object.prototype.hasOwnProperty);
-
-var $assign = Object.assign;
-
-module.exports = function assign(target, source) {
-	if ($assign) {
-		return $assign(target, source);
-	}
-
-	for (var key in source) {
-		if (has(source, key)) {
-			target[key] = source[key];
-		}
-	}
-	return target;
-};