api architecture

packages/lib/server/http-error.ts

@@ -0,0 +1,33 @@
+export class HttpError<TCode extends number = number> extends Error {
+  public readonly cause?: Error;
+  public readonly statusCode: TCode;
+  public readonly message: string;
+  public readonly url: string | undefined;
+  public readonly method: string | undefined;
+
+  constructor(opts: { url?: string; method?: string; message?: string; statusCode: TCode; cause?: Error }) {
+    super(opts.message ?? `HTTP Error ${opts.statusCode} `);
+
+    Object.setPrototypeOf(this, HttpError.prototype);
+    this.name = HttpError.prototype.constructor.name;
+
+    this.cause = opts.cause;
+    this.statusCode = opts.statusCode;
+    this.url = opts.url;
+    this.method = opts.method;
+    this.message = opts.message ?? `HTTP Error ${opts.statusCode}`;
+
+    if (opts.cause instanceof Error && opts.cause.stack) {
+      this.stack = opts.cause.stack;
+    }
+  }
+
+  public static fromRequest(request: Request, response: Response) {
+    return new HttpError({
+      message: response.statusText,
+      url: response.url,
+      method: request.method,
+      statusCode: response.status,
+    });
+  }
+}