sync

packages/opencode/src/util/error.ts

@@ -0,0 +1,53 @@
+import { z, type ZodSchema } from "zod"
+
+export abstract class NamedError extends Error {
+  abstract schema(): ZodSchema
+  abstract toObject(): { name: string; data: any }
+
+  static create<Name extends string, Data extends ZodSchema>(
+    name: Name,
+    data: Data,
+  ) {
+    const result = class extends NamedError {
+      public static readonly Schema = z
+        .object({
+          name: z.literal(name),
+          data: data,
+        })
+        .openapi({
+          ref: name,
+        })
+
+      constructor(
+        public readonly data: z.input<Data>,
+        options?: ErrorOptions,
+      ) {
+        super(name, options)
+        this.name = name
+      }
+
+      static isInstance(input: any): input is InstanceType<typeof result> {
+        return "name" in input && input.name === name
+      }
+
+      schema() {
+        return data
+      }
+
+      toObject() {
+        return {
+          name: name,
+          data: this.data,
+        }
+      }
+    }
+    return result
+  }
+
+  public static readonly Unknown = NamedError.create(
+    "UnknownError",
+    z.object({
+      message: z.string(),
+    }),
+  )
+}