early return if process has already been killed in #killProcess

Author: Sebastian-Webster

src/libraries/Executor.ts

@@ -37,6 +37,10 @@ class Executor {
 
     async #killProcess(process: ChildProcess): Promise<boolean> {
         let killed = false;
+
+        // If the process has already been killed, return true
+        if (process.kill(0) === false) return true
+
         if (os.platform() === 'win32') {
             const {error, stderr} = await this.#executeFile('taskkill', ['/pid', String(process.pid), '/t', '/f'])
             if (!error && !stderr) {