1 files changed, 8 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es6-symbol/validate-symbol.js b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es6-symbol/validate-symbol.js
new file mode 100644
index 0000000000..42750043d4
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es6-symbol/validate-symbol.js
@@ -0,0 +1,8 @@
+'use strict';
+
+var isSymbol = require('./is-symbol');
+
+module.exports = function (value) {
+	if (!isSymbol(value)) throw new TypeError(value + " is not a symbol");
+	return value;
+};