fix: use class PostgrestError instead of type PostgrestError (#562)

Author: hammerlscs

src/PostgrestError.ts

@@ -1,11 +1,14 @@
-import type { PostgrestError as IPostgrestError } from './types'
-
-export default class PostgrestError extends Error implements IPostgrestError {
+/**
+ * Error format
+ *
+ * {@link https://postgrest.org/en/stable/api.html?highlight=options#errors-and-http-status-codes}
+ */
+export default class PostgrestError extends Error {
   details: string
   hint: string
   code: string
 
-  constructor(context: IPostgrestError) {
+  constructor(context: { message: string; details: string; hint: string; code: string }) {
     super(context.message)
     this.name = 'PostgrestError'
     this.details = context.details

src/types.ts

@@ -1,16 +1,6 @@
-export type Fetch = typeof fetch
+import PostgrestError from './PostgrestError'
 
-/**
- * Error format
- *
- * {@link https://postgrest.org/en/stable/api.html?highlight=options#errors-and-http-status-codes}
- */
-export type PostgrestError = {
-  message: string
-  details: string
-  hint: string
-  code: string
-}
+export type Fetch = typeof fetch
 
 /**
  * Response format