From a803c6937d20979da1834d3031dfbd6306e153c4 Mon Sep 17 00:00:00 2001
From: garrettmills <shout@garrettmills.dev>
Date: Mon, 7 Sep 2020 21:04:28 -0500
Subject: [PATCH] Add custom error classes for state and placement (#2)

---
 src/module/errors.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/module/errors.js

diff --git a/src/module/errors.js b/src/module/errors.js
new file mode 100644
index 0000000..ff7ddec
--- /dev/null
+++ b/src/module/errors.js
@@ -0,0 +1,13 @@
+/**
+ * Placeholder class for an error that is thrown when a ship is placed
+ * in an invalid position.
+ * @extends Error
+ */
+export class InvalidShipPlacementError extends Error {}
+
+/**
+ * Error thrown when the program tries to advance the state, but it is
+ * invalid.
+ * @extends Error
+ */
+export class InvalidAdvanceStateError extends Error {}