chore(next/build/babel): missing types (#13189)

packages/next/build/babel/plugins/amp-attributes.ts

 import { NodePath, PluginObj, types } from '@babel/core'
 
-export default function AmpAttributePatcher(...args: any): PluginObj {
+export default function AmpAttributePatcher(): PluginObj {
   return {
     visitor: {
       JSXOpeningElement(path: NodePath<types.JSXOpeningElement>) {

packages/next/build/babel/plugins/next-page-config.ts

@@ -4,7 +4,7 @@ import { PageConfig } from 'next/types'
 const STRING_LITERAL_DROP_BUNDLE = '__NEXT_DROP_CLIENT_FILE__'
 
 // replace program path with just a variable with the drop identifier
-function replaceBundle(path: any, t: typeof BabelTypes) {
+function replaceBundle(path: any, t: typeof BabelTypes): void {
   path.parentPath.replaceWith(
     t.program(
       [
@@ -24,7 +24,7 @@ function replaceBundle(path: any, t: typeof BabelTypes) {
   )
 }
 
-function errorMessage(state: any, details: string) {
+function errorMessage(state: any, details: string): string {
   const pageName =
     (state.filename || '').split(state.cwd || '').pop() || 'unknown'
   return `Invalid page config export found. ${details} in file ${pageName}. See: https://err.sh/zeit/next.js/invalid-page-config`

packages/next/build/babel/plugins/next-ssg-transform.ts

@@ -33,7 +33,7 @@ function decorateSsgExport(
   t: typeof BabelTypes,
   path: NodePath<BabelTypes.Program>,
   state: PluginState
-) {
+): void {
   const gsspName = state.isPrerender ? STATIC_PROPS_ID : SERVER_PROPS_ID
   const gsspId = t.identifier(gsspName)
 
@@ -41,7 +41,7 @@ function decorateSsgExport(
     path: NodePath<
       BabelTypes.ExportDefaultDeclaration | BabelTypes.ExportNamedDeclaration
     >
-  ) => {
+  ): void => {
     if (state.done) {
       return
     }
@@ -156,7 +156,7 @@ export default function nextTransformSsg({
       | BabelTypes.ArrowFunctionExpression
     >,
     state: PluginState
-  ) {
+  ): void {
     const ident = getIdentifier(path)
     if (ident?.node && isIdentifierReferenced(ident)) {
       state.refs.add(ident)
@@ -170,7 +170,7 @@ export default function nextTransformSsg({
       | BabelTypes.ImportNamespaceSpecifier
     >,
     state: PluginState
-  ) {
+  ): void {
     const local = path.get('local')
     if (isIdentifierReferenced(local)) {
       state.refs.add(local)
@@ -314,7 +314,7 @@ export default function nextTransformSsg({
               | BabelTypes.FunctionExpression
               | BabelTypes.ArrowFunctionExpression
             >
-          ) {
+          ): void {
             const ident = getIdentifier(path)
             if (
               ident?.node &&
@@ -340,7 +340,7 @@ export default function nextTransformSsg({
               | BabelTypes.ImportDefaultSpecifier
               | BabelTypes.ImportNamespaceSpecifier
             >
-          ) {
+          ): void {
             const local = path.get('local')
             if (refs.has(local) && !isIdentifierReferenced(local)) {
               ++count

packages/next/build/babel/preset.ts

@@ -54,7 +54,7 @@ type BabelPreset = {
 }
 
 // Taken from https://github.com/babel/babel/commit/d60c5e1736543a6eac4b549553e107a9ba967051#diff-b4beead8ad9195361b4537601cc22532R158
-function supportsStaticESM(caller: any) {
+function supportsStaticESM(caller: any): boolean {
   return !!caller?.supportsStaticESM
 }