4 files changed, 38 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/sinh/implement.js b/node_modules/es5-ext/math/sinh/implement.js
new file mode 100644
index 000000000..cc4c40bcb
--- /dev/null
+++ b/node_modules/es5-ext/math/sinh/implement.js
@@ -0,0 +1,8 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Math, "sinh", { value: require("./shim"),
+		configurable: true,
+enumerable: false,
+writable: true });
+}
diff --git a/node_modules/es5-ext/math/sinh/index.js b/node_modules/es5-ext/math/sinh/index.js
new file mode 100644
index 000000000..2c43dce17
--- /dev/null
+++ b/node_modules/es5-ext/math/sinh/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? Math.sinh
+	: require("./shim");
diff --git a/node_modules/es5-ext/math/sinh/is-implemented.js b/node_modules/es5-ext/math/sinh/is-implemented.js
new file mode 100644
index 000000000..5e4ee40c3
--- /dev/null
+++ b/node_modules/es5-ext/math/sinh/is-implemented.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = function () {
+	var sinh = Math.sinh;
+	if (typeof sinh !== "function") return false;
+	return (sinh(1) === 1.1752011936438014) && (sinh(Number.MIN_VALUE) === 5e-324);
+};
diff --git a/node_modules/es5-ext/math/sinh/shim.js b/node_modules/es5-ext/math/sinh/shim.js
new file mode 100644
index 000000000..fc6a04776
--- /dev/null
+++ b/node_modules/es5-ext/math/sinh/shim.js
@@ -0,0 +1,18 @@
+// Parts of implementation taken from es6-shim project
+// See: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js
+
+"use strict";
+
+var expm1 = require("../expm1")
+  , abs   = Math.abs
+  , exp   = Math.exp
+  , e     = Math.E;
+
+module.exports = function (value) {
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value === 0) return value;
+	if (!isFinite(value)) return value;
+	if (abs(value) < 1) return (expm1(value) - expm1(-value)) / 2;
+	return (exp(value - 1) - exp(-value - 1)) * e / 2;
+};