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4 files changed, 26 insertions, 0 deletions

diff --git a/node_modules/es5-ext/number/is-nan/implement.js b/node_modules/es5-ext/number/is-nan/implement.js
new file mode 100644
index 00000000..2f9126c9
--- /dev/null
+++ b/node_modules/es5-ext/number/is-nan/implement.js
@@ -0,0 +1,8 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Number, "isNaN", { value: require("./shim"),
+		configurable: true,
+enumerable: false,
+writable: true });
+}
diff --git a/node_modules/es5-ext/number/is-nan/index.js b/node_modules/es5-ext/number/is-nan/index.js
new file mode 100644
index 00000000..9128d5c0
--- /dev/null
+++ b/node_modules/es5-ext/number/is-nan/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? Number.isNaN
+	: require("./shim");
diff --git a/node_modules/es5-ext/number/is-nan/is-implemented.js b/node_modules/es5-ext/number/is-nan/is-implemented.js
new file mode 100644
index 00000000..756838a4
--- /dev/null
+++ b/node_modules/es5-ext/number/is-nan/is-implemented.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = function () {
+	var numberIsNaN = Number.isNaN;
+	if (typeof numberIsNaN !== "function") return false;
+	return !numberIsNaN({}) && numberIsNaN(NaN) && !numberIsNaN(34);
+};
diff --git a/node_modules/es5-ext/number/is-nan/shim.js b/node_modules/es5-ext/number/is-nan/shim.js
new file mode 100644
index 00000000..b5730d1d
--- /dev/null
+++ b/node_modules/es5-ext/number/is-nan/shim.js
@@ -0,0 +1,6 @@
+"use strict";
+
+module.exports = function (value) {
+	// eslint-disable-next-line no-self-compare
+	return value !== value;
+};