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-rw-r--r--src/node_modules/es-abstract/helpers/isNaN.js5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/helpers/isNaN.js b/src/node_modules/es-abstract/helpers/isNaN.js
new file mode 100644
index 0000000..cb8631d
--- /dev/null
+++ b/src/node_modules/es-abstract/helpers/isNaN.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = Number.isNaN || function isNaN(a) {
+ return a !== a;
+};