4 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/cbrt/implement.js b/node_modules/es5-ext/math/cbrt/implement.js
new file mode 100644
index 000000000..f5adbab0d
--- /dev/null
+++ b/node_modules/es5-ext/math/cbrt/implement.js
@@ -0,0 +1,8 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Math, "cbrt", { value: require("./shim"),
+		configurable: true,
+enumerable: false,
+writable: true });
+}
diff --git a/node_modules/es5-ext/math/cbrt/index.js b/node_modules/es5-ext/math/cbrt/index.js
new file mode 100644
index 000000000..47806407c
--- /dev/null
+++ b/node_modules/es5-ext/math/cbrt/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? Math.cbrt
+	: require("./shim");
diff --git a/node_modules/es5-ext/math/cbrt/is-implemented.js b/node_modules/es5-ext/math/cbrt/is-implemented.js
new file mode 100644
index 000000000..a8ac0db26
--- /dev/null
+++ b/node_modules/es5-ext/math/cbrt/is-implemented.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = function () {
+	var cbrt = Math.cbrt;
+	if (typeof cbrt !== "function") return false;
+	return cbrt(2) === 1.2599210498948732;
+};
diff --git a/node_modules/es5-ext/math/cbrt/shim.js b/node_modules/es5-ext/math/cbrt/shim.js
new file mode 100644
index 000000000..8871c552f
--- /dev/null
+++ b/node_modules/es5-ext/math/cbrt/shim.js
@@ -0,0 +1,12 @@
+"use strict";
+
+var pow = Math.pow;
+
+module.exports = function (value) {
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value === 0) return value;
+	if (!isFinite(value)) return value;
+	if (value < 0) return -pow(-value, 1 / 3);
+	return pow(value, 1 / 3);
+};