From 903b4642fb0c08ef0eb21dfdaba7f80b639e80f2 Mon Sep 17 00:00:00 2001
From: dnalborczyk <dnalborczyk@gmail.com>
Date: Wed, 9 Feb 2022 00:59:44 -0500
Subject: [PATCH] chore: remove acorn-walk ambient type definitions (#4391)

---
 src/utils/pureComments.ts |  6 +++---
 typings/declarations.d.ts | 11 -----------
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/src/utils/pureComments.ts b/src/utils/pureComments.ts
index dc385a284fa..0d7403dae25 100644
--- a/src/utils/pureComments.ts
+++ b/src/utils/pureComments.ts
@@ -1,5 +1,5 @@
 import * as acorn from 'acorn';
-import { type BaseWalker, base as basicWalker } from 'acorn-walk';
+import { base as basicWalker } from 'acorn-walk';
 import {
 	BinaryExpression,
 	CallExpression,
@@ -29,7 +29,7 @@ interface NodeWithComments extends acorn.Node {
 function handlePureAnnotationsOfNode(
 	node: acorn.Node,
 	state: CommentState,
-	type: string = node.type
+	type = node.type
 ): void {
 	const { annotations } = state;
 	let comment = annotations[state.annotationIndex];
@@ -38,7 +38,7 @@ function handlePureAnnotationsOfNode(
 		comment = annotations[++state.annotationIndex];
 	}
 	if (comment && comment.end <= node.end) {
-		(basicWalker as BaseWalker<CommentState>)[type](node, state, handlePureAnnotationsOfNode);
+		basicWalker[type](node, state, handlePureAnnotationsOfNode);
 		while ((comment = annotations[state.annotationIndex]) && comment.end <= node.end) {
 			++state.annotationIndex;
 			annotateNode(node, comment, false);
diff --git a/typings/declarations.d.ts b/typings/declarations.d.ts
index d4b36e82f62..5e7f0ff8f21 100644
--- a/typings/declarations.d.ts
+++ b/typings/declarations.d.ts
@@ -9,17 +9,6 @@ declare module 'rollup-plugin-string' {
 	export const string: import('rollup').PluginImpl;
 }
 
-declare module 'acorn-walk' {
-	type WalkerCallback<TState> = (node: acorn.Node, state: TState) => void;
-	type RecursiveWalkerFn<TState> = (
-		node: acorn.Node,
-		state: TState,
-		callback: WalkerCallback<TState>
-	) => void;
-	export type BaseWalker<TState> = Record<string, RecursiveWalkerFn<TState>>;
-	export const base: BaseWalker<unknown>;
-}
-
 declare module 'is-reference' {
 	export default function is_reference(
 		node: NodeWithFieldDefinition,