update utils

app/src/utils/errors.ts

@@ -0,0 +1,39 @@
+/* eslint-disable max-classes-per-file */
+export class TooManyRequestsError extends Error {
+  constructor(message: string | undefined) {
+    super(message)
+    this.name = 'TooManyRequestsError'
+  }
+}
+
+export class ValidationError extends Error {
+  constructor(message: string | undefined) {
+    super(message)
+    this.name = 'ValidationError'
+  }
+}
+
+export class UnauthorizedError extends Error {
+  constructor(message: string | undefined) {
+    super(message)
+    this.name = 'UnauthorizedError'
+  }
+}
+
+export class LoadQuestError extends Error {
+  questId: any
+  constructor(message: string | undefined, questId: any) {
+    super(message)
+    this.name = 'LoadQuestError'
+    this.questId = questId
+  }
+}
+
+export class LoadSessionError extends Error {
+  questId: any
+  constructor(message: string | undefined, questId: any) {
+    super(message)
+    this.name = 'LoadSessionError'
+    this.questId = questId
+  }
+}