fix: workaround for getting overriding the default GeneratedTypes int…

…erface to work in typescript 5.5

packages/payload/src/bin/generateTypes.ts

@@ -19,9 +19,6 @@ export async function generateTypes(
 
   const jsonSchema = configToJSONSchema(config, config.db.defaultIDType)
 
-  const declare = `declare module 'payload' {\n  export interface GeneratedTypes extends Config {}\n}`
-  const declareWithTSIgnoreError = `declare module 'payload' {\n  // @ts-ignore \n  export interface GeneratedTypes extends Config {}\n}`
-
   let compiled = await compile(jsonSchema, 'Config', {
     bannerComment:
       '/* tslint:disable */\n/* eslint-disable */\n/**\n* This file was automatically generated by Payload.\n* DO NOT MODIFY IT BY HAND. Instead, modify your source Payload config,\n* and re-run `payload generate:types` to regenerate this file.\n*/',
@@ -34,6 +31,19 @@ export async function generateTypes(
     unreachableDefinitions: true,
   })
 
+  // Attempt to extract and replace the 'Config' interface content
+  const configInterfaceMatch = /export interface Config \{([\s\S]*?)^\}/m.exec(compiled)
+  if (!configInterfaceMatch) {
+    logger.error('Failed to extract the Config interface.')
+    return
+  }
+
+  // Add indentation
+  const configInterfaceContent = configInterfaceMatch[1].replace(/^/gm, '  ') // Add two spaces to the start of each line
+
+  const declare = `declare module 'payload' {\n  export interface GeneratedTypes {\n${configInterfaceContent}  }\n}`
+  const declareWithTSIgnoreError = `declare module 'payload' {\n  // @ts-ignore \n  export interface GeneratedTypes {\n${configInterfaceContent}  }\n}`
+
   if (config.typescript.declare !== false) {
     if (config.typescript.declare?.ignoreTSError) {
       compiled += `\n\n${declareWithTSIgnoreError}`