chore: use string based version

Author: avallete

src/PostgrestTransformBuilder.ts

@@ -1,7 +1,12 @@
 import PostgrestBuilder from './PostgrestBuilder'
 import { InvalidMethodError } from './PostgrestFilterBuilder'
 import { GetResult } from './select-query-parser/result'
-import { GenericSchema, CheckMatchingArrayTypes, ClientServerOptions } from './types'
+import {
+  GenericSchema,
+  CheckMatchingArrayTypes,
+  ClientServerOptions,
+  MaxAffectedEnabled,
+} from './types'
 
 export default class PostgrestTransformBuilder<
   ClientOptions extends ClientServerOptions,
@@ -346,15 +351,15 @@ export default class PostgrestTransformBuilder<
    *
    * @param value - The maximum number of rows that can be affected
    */
-  maxAffected(value: number): ClientOptions['postgrestVersion'] extends 13
+  maxAffected(value: number): MaxAffectedEnabled<ClientOptions['postgrestVersion']> extends true
     ? // TODO: update the RPC case to only work on RPC that returns SETOF rows
       Method extends 'PATCH' | 'DELETE' | 'RPC'
       ? this
       : InvalidMethodError<'maxAffected method only available on update or delete'>
     : InvalidMethodError<'maxAffected method only available on postgrest 13+'> {
     this.headers.append('Prefer', 'handling=strict')
     this.headers.append('Prefer', `max-affected=${value}`)
-    return this as unknown as ClientOptions['postgrestVersion'] extends 13
+    return this as unknown as MaxAffectedEnabled<ClientOptions['postgrestVersion']> extends true
       ? Method extends 'PATCH' | 'DELETE' | 'RPC'
         ? this
         : InvalidMethodError<'maxAffected method only available on update or delete'>

src/types.ts

@@ -96,6 +96,9 @@ export type GetGenericDatabaseWithOptions<
     : DatabaseWithOptions<Omit<Database, typeof INTERNAL_SUPABASE_OPTIONS>, Opts>
   : DatabaseWithOptions<Database, Opts>
 
+export type MaxAffectedEnabled<postgrestVersion extends string | undefined> =
+  postgrestVersion extends `13${string}` ? true : false
+
 // https://twitter.com/mattpocockuk/status/1622730173446557697
 export type Prettify<T> = { [K in keyof T]: T[K] } & {}