Add production dependencies

node_modules/ext/lib/private/define-function-length.js

@@ -0,0 +1,56 @@
+"use strict";
+
+var test = function (arg1, arg2) { return arg2; };
+
+try {
+	Object.defineProperty(test, "length", {
+		configurable: true,
+		writable: false,
+		enumerable: false,
+		value: 1
+	});
+}
+catch (ignore) {}
+
+if (test.length === 1) {
+	// ES2015+
+	var desc = { configurable: true, writable: false, enumerable: false };
+	module.exports = function (length, fn) {
+		if (fn.length === length) return fn;
+		desc.value = length;
+		return Object.defineProperty(fn, "length", desc);
+	};
+	return;
+}
+
+module.exports = function (length, fn) {
+	if (fn.length === length) return fn;
+	switch (length) {
+		case 0:
+			return function () { return fn.apply(this, arguments); };
+		case 1:
+			return function (ignored1) { return fn.apply(this, arguments); };
+		case 2:
+			return function (ignored1, ignored2) { return fn.apply(this, arguments); };
+		case 3:
+			return function (ignored1, ignored2, ignored3) { return fn.apply(this, arguments); };
+		case 4:
+			return function (ignored1, ignored2, ignored3, ignored4) {
+				return fn.apply(this, arguments);
+			};
+		case 5:
+			return function (ignored1, ignored2, ignored3, ignored4, ignored5) {
+				return fn.apply(this, arguments);
+			};
+		case 6:
+			return function (ignored1, ignored2, ignored3, ignored4, ignored5, ignored6) {
+				return fn.apply(this, arguments);
+			};
+		case 7:
+			return function (ignored1, ignored2, ignored3, ignored4, ignored5, ignored6, ignored7) {
+				return fn.apply(this, arguments);
+			};
+		default:
+			throw new Error("Usupported function length");
+	}
+};