instanceof.js
330 Bytes
"use strict";
var _Symbol$hasInstance = require("babel-runtime/core-js/symbol/has-instance")["default"];
exports["default"] = function (left, right) {
if (right != null && right[_Symbol$hasInstance]) {
return right[_Symbol$hasInstance](left);
} else {
return left instanceof right;
}
};
exports.__esModule = true;