MONOREPO

2 files changed, 32 insertions, 0 deletions

diff --git a/lib/error.model.ts b/lib/error.model.ts
new file mode 100644
index 0000000..5cf9916
--- /dev/null
+++ b/lib/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));
+  }
+}
diff --git a/lib/util.ts b/lib/util.ts
new file mode 100644
index 0000000..7e7b965
--- /dev/null
+++ b/lib/util.ts
@@ -0,0 +1,10 @@
+/**
+ * Get the last item in t
+ */
+export const last = <T>(t: T[]): T => t[t.length - 1];
+
+/**
+ * Generate a random key with a seed
+ */
+export const getKey = (seed: string) =>
+  seed + Date.now() + Math.floor(Math.random() * 1000);