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-rw-r--r--node_modules/core-js/internals/native-weak-map.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/node_modules/core-js/internals/native-weak-map.js b/node_modules/core-js/internals/native-weak-map.js
new file mode 100644
index 0000000..e241821
--- /dev/null
+++ b/node_modules/core-js/internals/native-weak-map.js
@@ -0,0 +1,6 @@
+var global = require('../internals/global');
+var inspectSource = require('../internals/inspect-source');
+
+var WeakMap = global.WeakMap;
+
+module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));