Define custom error type

1 files changed, 22 insertions, 0 deletions

diff --git a/src/error.model.ts b/src/error.model.ts
new file mode 100644
index 0000000..5cf9916
--- /dev/null
+++ b/src/error.model.ts
@@ -0,0 +1,22 @@
+export enum NaiveErrorCode {
+  UNCAUGHT = 0,
+  OUT_OF_SPACE
+}
+
+const e = NaiveErrorCode;
+
+export const lookupMsg = (c: NaiveErrorCode) => {
+  switch (c) {
+    case e.OUT_OF_SPACE:
+      return `Out of storage space (too big for in memory buffer)`;
+    case e.UNCAUGHT:
+    default:
+      return `Uncaught error. Please add message/code in src/error.model.ts`;
+  }
+};
+
+export class NaiveError extends Error {
+  constructor(public code: NaiveErrorCode) {
+    super(lookupMsg(code));
+  }
+}