From f1441e4a84d58d7baf774f3b800df7eb91f65950 Mon Sep 17 00:00:00 2001
From: Ferdinand Prantl <prantlf@gmail.com>
Date: Mon, 5 Aug 2024 22:16:50 +0200
Subject: [PATCH] Support watching for source changes with Rollup 4

Plugins have to call `addWatchFile` now.

See https://github.com/2wce/rollup-plugin-sourcemaps2/issues/59.
---
 src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 7eb805f..a2f01e8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 import fs from 'fs';
+import { resolve as resolvePath } from 'path';
 import { promisify } from 'util';
 import { Plugin, ExistingRawSourceMap } from 'rollup';
 import pluginUtils, { CreateFilter } from '@rollup/pluginutils';
@@ -32,7 +33,9 @@ export default function sourcemaps({
         return null;
       }
 
-      let code: string;
+      // Allow the original file to be watched
+      this.addWatchFile(resolvePath(id));
+
       try {
         code = (await promisifiedReadFile(id)).toString();
       } catch {