Initial project upload

frontend/node_modules/core-js/modules/esnext.set.find.js

@@ -0,0 +1,18 @@
+'use strict';
+var $ = require('../internals/export');
+var bind = require('../internals/function-bind-context');
+var aSet = require('../internals/a-set');
+var iterate = require('../internals/set-iterate');
+
+// `Set.prototype.find` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: true }, {
+  find: function find(callbackfn /* , thisArg */) {
+    var set = aSet(this);
+    var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+    var result = iterate(set, function (value) {
+      if (boundFunction(value, value, set)) return { value: value };
+    }, true);
+    return result && result.value;
+  }
+});