From 136b08a35a3578f6f7ff288bc34cd30eebe0141e Mon Sep 17 00:00:00 2001
From: Richie Bendall <richiebendall@gmail.com>
Date: Fri, 24 Nov 2023 03:32:48 +1300
Subject: [PATCH] Require Node.js 18 (#67)

---
 .github/workflows/main.yml |  1 -
 index.js                   | 34 ++--------------------------------
 package.json               |  2 +-
 3 files changed, 3 insertions(+), 34 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1ed55d5..c4cdca2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,6 @@ jobs:
         node-version:
           - 20
           - 18
-          - 16
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
diff --git a/index.js b/index.js
index 68975f5..30290b9 100644
--- a/index.js
+++ b/index.js
@@ -1,33 +1,3 @@
-/**
-An error to be thrown when the request is aborted by AbortController.
-DOMException is thrown instead of this Error when DOMException is available.
-*/
-export class AbortError extends Error {
-	constructor(message) {
-		super();
-		this.name = 'AbortError';
-		this.message = message;
-	}
-}
-
-/**
-TODO: Remove AbortError and just throw DOMException when targeting Node 18.
-*/
-const getDOMException = errorMessage => globalThis.DOMException === undefined
-	? new AbortError(errorMessage)
-	: new DOMException(errorMessage);
-
-/**
-TODO: Remove below function and just 'reject(signal.reason)' when targeting Node 18.
-*/
-const getAbortedReason = signal => {
-	const reason = signal.reason === undefined
-		? getDOMException('This operation was aborted.')
-		: signal.reason;
-
-	return reason instanceof Error ? reason : getDOMException(reason);
-};
-
 export default async function pMap(
 	iterable,
 	mapper,
@@ -68,11 +38,11 @@ export default async function pMap(
 
 		if (signal) {
 			if (signal.aborted) {
-				reject(getAbortedReason(signal));
+				reject(signal.reason);
 			}
 
 			signal.addEventListener('abort', () => {
-				reject(getAbortedReason(signal));
+				reject(signal.reason);
 			});
 		}
 
diff --git a/package.json b/package.json
index 4566c2b..c2f2aaa 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
 	"type": "module",
 	"exports": "./index.js",
 	"engines": {
-		"node": ">=16"
+		"node": ">=18"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"