1 files changed, 15 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/asinh/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/asinh/shim.js
new file mode 100644
index 0000000000..42fbf1457f
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/asinh/shim.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var log = Math.log, sqrt = Math.sqrt;
+
+module.exports = function (x) {
+	if (isNaN(x)) return NaN;
+	x = Number(x);
+	if (x === 0) return x;
+	if (!isFinite(x)) return x;
+	if (x < 0) {
+		x = -x;
+		return -log(x + sqrt(x * x + 1));
+	}
+	return log(x + sqrt(x * x + 1));
+};