you know what let's just change frontend framework again

Foxnouns.Frontend/src/lib/api/error.ts

@@ -0,0 +1,54 @@
+export default class ApiError {
+	raw?: RawApiError;
+	code: ErrorCode;
+
+	constructor(err?: RawApiError, code?: ErrorCode) {
+		this.raw = err;
+		this.code = err?.code || code || ErrorCode.InternalServerError;
+	}
+
+	get obj(): RawApiError {
+		return this.toObject();
+	}
+
+	toObject(): RawApiError {
+		return {
+			status: this.raw?.status || 500,
+			code: this.code,
+			message: this.raw?.message || "Internal server error",
+			errors: this.raw?.errors,
+		};
+	}
+}
+
+export type RawApiError = {
+	status: number;
+	message: string;
+	code: ErrorCode;
+	errors?: Array<{ key: string; errors: ValidationError[] }>;
+};
+
+export enum ErrorCode {
+	InternalServerError = "INTERNAL_SERVER_ERROR",
+	Forbidden = "FORBIDDEN",
+	BadRequest = "BAD_REQUEST",
+	AuthenticationError = "AUTHENTICATION_ERROR",
+	AuthenticationRequired = "AUTHENTICATION_REQUIRED",
+	MissingScopes = "MISSING_SCOPES",
+	GenericApiError = "GENERIC_API_ERROR",
+	UserNotFound = "USER_NOT_FOUND",
+	MemberNotFound = "MEMBER_NOT_FOUND",
+	AccountAlreadyLinked = "ACCOUNT_ALREADY_LINKED",
+	LastAuthMethod = "LAST_AUTH_METHOD",
+	// This code isn't actually returned by the API
+	Non204Response = "(non 204 response)",
+}
+
+export type ValidationError = {
+	message: string;
+	min_length?: number;
+	max_length?: number;
+	actual_length?: number;
+	allowed_values?: any[];
+	actual_value?: any;
+};