이동

@sammo/util/package.json

@@ -9,7 +9,7 @@
   "type": "module",
   "keywords": [],
   "author": "",
-  "license": "ISC",
+  "license": "MIT",
   "devDependencies": {
     "lodash-es": "^4.17.21"
   },

@sammo/util/src/error.ts

@@ -15,4 +15,29 @@ export class RuntimeError extends Error {
             return this.name;
         }
     }
-}
+}
+
+export class NotYetImplemented extends Error {
+    public override name = 'NotYetImplemented';
+    override toString(): string {
+        if (this.message) {
+            return this.name + ': ' + this.message;
+        }
+        else {
+            return this.name;
+        }
+
+    }
+}
+
+export class InvalidArgument extends Error {
+    public override name = 'InvalidArgument';
+    override toString(): string {
+        if (this.message) {
+            return this.name + ': ' + this.message;
+        }
+        else {
+            return this.name;
+        }
+    }
+}