Remove BaseError.

packages/common/src/errors.ts

@@ -2,7 +2,7 @@
  * The base error class of hpke-js.
  * @group Errors
  */
-export class BaseError extends Error {
+export class HpkeError extends Error {
   public constructor(e: unknown) {
     let message: string;
 
@@ -19,12 +19,6 @@ export class BaseError extends Error {
   }
 }
 
-/**
- * The base error class of hpke-js.
- * @group Errors
- */
-export class HpkeError extends BaseError {}
-
 /**
  * Invalid parameter.
  * @group Errors

packages/core/mod.ts

@@ -18,7 +18,6 @@ export type { CipherSuiteSealResponse } from "./src/interfaces/responses.ts";
 
 export {
   AeadId,
-  BaseError,
   DecapError,
   DeriveKeyPairError,
   DeserializeError,

packages/hpke-js/mod.ts

@@ -15,7 +15,6 @@ export type {
 
 export {
   AeadId,
-  BaseError,
   DecapError,
   DeriveKeyPairError,
   DeserializeError,

packages/hybridkem-x25519-kyber768/src/kyber/errors.ts

@@ -1,6 +1,19 @@
-import { BaseError } from "@hpke/core";
-
 /**
  * The base error class of kyber.
  */
-export class KyberError extends BaseError {}
+export class KyberError extends Error {
+  public constructor(e: unknown) {
+    let message: string;
+
+    if (e instanceof Error) {
+      message = e.message;
+    } else if (typeof e === "string") {
+      message = e;
+    } else {
+      message = "";
+    }
+    super(message);
+
+    this.name = this.constructor.name;
+  }
+}

packages/hybridkem-x25519-kyber768/test/errors.test.ts

@@ -0,0 +1,38 @@
+import { assertEquals } from "@std/assert";
+
+import { describe, it } from "@std/testing/bdd";
+
+import { KyberError } from "../src/kyber/errors.ts";
+
+describe("KyberError", () => {
+  describe("constructor with neigher string or Error", () => {
+    it("should have valid name and message", () => {
+      const err = new KyberError(undefined);
+
+      // assert
+      assertEquals(err.name, "KyberError");
+      assertEquals(err.message, "");
+    });
+  });
+
+  describe("constructor with string", () => {
+    it("should have valid name and message", () => {
+      const err = new KyberError("failed");
+
+      // assert
+      assertEquals(err.name, "KyberError");
+      assertEquals(err.message, "failed");
+    });
+  });
+
+  describe("constructor with another Error", () => {
+    it("should have valid name and message", () => {
+      const origin = new Error("failed");
+      const err = new KyberError(origin);
+
+      // assert
+      assertEquals(err.name, "KyberError");
+      assertEquals(err.message, "failed");
+    });
+  });
+});