--- /dev/null
+var $ = require('../internals/export');
+var getCompositeKeyNode = require('../internals/composite-key');
+var getBuiltIn = require('../internals/get-built-in');
+
+// https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
+$({ global: true }, {
+ compositeSymbol: function compositeSymbol() {
+ if (arguments.length === 1 && typeof arguments[0] === 'string') return getBuiltIn('Symbol')['for'](arguments[0]);
+ return getCompositeKeyNode.apply(null, arguments).get('symbol', getBuiltIn('Symbol'));
+ }
+});