first commit

src/errors.ts

@@ -0,0 +1,19 @@
+import type { ClarizenErrorBody } from "./types.js";
+
+export class ClarizenApiError extends Error {
+  readonly errorCode: string;
+  readonly referenceId?: string;
+  readonly status: number;
+
+  constructor(status: number, body: ClarizenErrorBody) {
+    super(body.message);
+    this.name = "ClarizenApiError";
+    this.status = status;
+    this.errorCode = body.errorCode;
+    this.referenceId = body.referenceId;
+  }
+
+  isSessionTimeout(): boolean {
+    return this.errorCode === "SessionTimeout";
+  }
+}