Drop old versions

Author: fisker

.github/workflows/main.yml

@@ -13,8 +13,6 @@ jobs:
           - 23
           - 22
           - 20
-          - 18
-          - 16
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4

index.js

@@ -11,7 +11,6 @@ export default function makeSynchronous(function_) {
 		const serializedArguments = v8.serialize(arguments_).toString('hex');
 		const subsume = new Subsume();
 
-		// TODO: Use top-level await here when targeting Node.js 14.
 		const input = `
 			import v8 from 'node:v8';
 			import Subsume from 'subsume';
@@ -23,15 +22,13 @@ export default function makeSynchronous(function_) {
 				process.stdout.write(subsume.compose(serialized));
 			};
 
-			(async () => {
-				try {
-					const arguments_ = v8.deserialize(Buffer.from('${serializedArguments}', 'hex'));
-					const result = await (${function_})(...arguments_);
-					send({result});
-				} catch (error) {
-					send({error});
-				}
-			})();
+			try {
+				const arguments_ = v8.deserialize(Buffer.from('${serializedArguments}', 'hex'));
+				const result = await (${function_})(...arguments_);
+				send({result});
+			} catch (error) {
+				send({error});
+			}
 		`;
 
 		const {error: subprocessError, stdout, stderr} = childProcess.spawnSync(process.execPath, ['--input-type=module', '-'], {

package.json

@@ -22,7 +22,7 @@
 		}
 	},
 	"engines": {
-		"node": ">=16.0.0"
+		"node": ">=20.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"

worker.js

@@ -28,16 +28,10 @@ function makeSynchronous(function_) {
 	function createWorker() {
 		if (!cache) {
 			const code = `
-				import(${JSON.stringify(import.meta.url)})
-					.then(({default: setupWorker}) => setupWorker(${function_}));
-			`;
-
-			// TODO: Use this one when targeting Node.js 20.
-			// const code = `
-			// 	import setupWorker from ${JSON.stringify(import.meta.url)};
+				import setupWorker from ${JSON.stringify(import.meta.url)};
 
-			// 	setupWorker(${function_});
-			// `;
+				setupWorker(${function_});
+			`;
 
 			const worker = new Worker(code, {
 				eval: true,