Require Node.js 10

.travis.yml

@@ -7,6 +7,5 @@ node_js:
   - '13'
   - '12'
   - '10'
-  - '8'
 after_success:
   - './node_modules/.bin/nyc report --reporter=text-lcov | ./node_modules/.bin/coveralls'

lib/kill.js

@@ -1,7 +1,6 @@
 'use strict';
 const os = require('os');
 const onExit = require('signal-exit');
-const pFinally = require('p-finally');
 
 const DEFAULT_FORCE_KILL_TIMEOUT = 1000 * 5;
 
@@ -80,15 +79,15 @@ const setupTimeout = (spawned, {timeout, killSignal = 'SIGTERM'}, spawnedPromise
 		}, timeout);
 	});
 
-	const safeSpawnedPromise = pFinally(spawnedPromise, () => {
+	const safeSpawnedPromise = spawnedPromise.finally(() => {
 		clearTimeout(timeoutId);
 	});
 
 	return Promise.race([timeoutPromise, safeSpawnedPromise]);
 };
 
 // `cleanup` option handling
-const setExitHandler = (spawned, {cleanup, detached}, timedPromise) => {
+const setExitHandler = async (spawned, {cleanup, detached}, timedPromise) => {
 	if (!cleanup || detached) {
 		return timedPromise;
 	}
@@ -97,8 +96,9 @@ const setExitHandler = (spawned, {cleanup, detached}, timedPromise) => {
 		spawned.kill();
 	});
 
-	// TODO: Use native "finally" syntax when targeting Node.js 10
-	return pFinally(timedPromise, removeExitHandler);
+	return timedPromise.finally(() => {
+		removeExitHandler();
+	});
 };
 
 module.exports = {

lib/promise.js

@@ -17,12 +17,7 @@ const mergePromiseProperty = (spawned, promise, property) => {
 const mergePromise = (spawned, promise) => {
 	mergePromiseProperty(spawned, promise, 'then');
 	mergePromiseProperty(spawned, promise, 'catch');
-
-	// TODO: Remove the `if`-guard when targeting Node.js 10
-	if (Promise.prototype.finally) {
-		mergePromiseProperty(spawned, promise, 'finally');
-	}
-
+	mergePromiseProperty(spawned, promise, 'finally');
 	return spawned;
 };
 

package.json

@@ -11,7 +11,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": "^8.12.0 || >=9.7.0"
+		"node": ">=10"
 	},
 	"scripts": {
 		"test": "xo && nyc ava && tsd"
@@ -46,7 +46,6 @@
 		"merge-stream": "^2.0.0",
 		"npm-run-path": "^4.0.0",
 		"onetime": "^5.1.0",
-		"p-finally": "^2.0.0",
 		"signal-exit": "^3.0.2",
 		"strip-final-newline": "^2.0.0"
 	},