applying transfer to react app

node_modules/core-js-pure/features/weak-set/add-all.js

@@ -0,0 +1,5 @@
+require('../../modules/es.weak-set');
+require('../../modules/esnext.weak-set.add-all');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('WeakSet', 'addAll');

node_modules/core-js-pure/features/weak-set/delete-all.js

@@ -0,0 +1,5 @@
+require('../../modules/es.weak-set');
+require('../../modules/esnext.weak-set.delete-all');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('WeakSet', 'deleteAll');

node_modules/core-js-pure/features/weak-set/from.js

@@ -0,0 +1,14 @@
+'use strict';
+require('../../modules/es.array.iterator');
+require('../../modules/es.string.iterator');
+require('../../modules/es.weak-set');
+require('../../modules/esnext.weak-set.from');
+require('../../modules/web.dom-collections.iterator');
+var path = require('../../internals/path');
+
+var WeakSet = path.WeakSet;
+var weakSetfrom = WeakSet.from;
+
+module.exports = function from(source, mapFn, thisArg) {
+  return weakSetfrom.call(typeof this === 'function' ? this : WeakSet, source, mapFn, thisArg);
+};

node_modules/core-js-pure/features/weak-set/index.js

@@ -0,0 +1,8 @@
+var parent = require('../../stable/weak-set');
+require('../../modules/es.string.iterator');
+require('../../modules/esnext.weak-set.add-all');
+require('../../modules/esnext.weak-set.delete-all');
+require('../../modules/esnext.weak-set.from');
+require('../../modules/esnext.weak-set.of');
+
+module.exports = parent;

node_modules/core-js-pure/features/weak-set/of.js

@@ -0,0 +1,12 @@
+'use strict';
+require('../../modules/es.array.iterator');
+require('../../modules/es.weak-set');
+require('../../modules/esnext.weak-set.of');
+var path = require('../../internals/path');
+
+var WeakSet = path.WeakSet;
+var weakSetOf = WeakSet.of;
+
+module.exports = function of() {
+  return weakSetOf.apply(typeof this === 'function' ? this : WeakSet, arguments);
+};