move debug to rollup.config

CHANGELOG.md

@@ -5,6 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+### [2.1.2] 2023-02-02
+- Move the debug statements to `rollup.config.mjs` to eliminate `process` references from the output file
+
 ### [2.1.1] 2023-01-30
 - Raise an exception when trying to add a task with an already existing id (instead of failing when trying to run it)
 - Ability to dequeue multiple tasks when scheduling (fixes not reaching the maximum concurrency limit when the cool down is very low but more than zero)

rollup.config.mjs

@@ -28,8 +28,8 @@ export default [
     },
     plugins: [
       modify({
-        find: /debug\(.*\);?/,
-        replace: ''
+        find: /debug\((.*\));?/,
+        replace: (_, expr) => process?.env?.QUEUE_DEBUG ? `console.debug(${expr});` : ''
       }),
       typescript(),
       terser()

src/index.ts

@@ -2,7 +2,8 @@ import { Heap } from './heap';
 
 // This will be optimized away by V8 as I have proven in
 // https://bugs.chromium.org/p/v8/issues/detail?id=12756
-const debug = process?.env?.QUEUE_DEBUG ? console.debug.bind(console) : () => undefined;
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+const debug = (..._) => undefined;
 
 // This is the central part of the concept:
 // using a Promise<void> as a semaphore