refactor: use fs.promises

test/watch/index.js

@@ -9,7 +9,7 @@ const {
 } = require('fs');
 const { resolve } = require('path');
 const process = require('process');
-const { copy, removeSync } = require('fs-extra');
+const { copy, remove, removeSync } = require('fs-extra');
 const sander = require('sander');
 const rollup = require('../../dist/rollup');
 
@@ -24,9 +24,9 @@ function wait(ms) {
 describe('rollup.watch', () => {
 	let watcher;
 
-	beforeEach(() => {
+	beforeEach(async () => {
 		process.chdir(cwd);
-		return removeSync('test/_tmp');
+		await remove('test/_tmp');
 	});
 
 	afterEach(() => {
@@ -345,9 +345,9 @@ describe('rollup.watch', () => {
 			'END',
 			async () => {
 				assert.strictEqual(lastEvent, null);
-				writeFileSync(WATCHED_ID, 'another');
+				await promises.writeFile(WATCHED_ID, 'another');
 				await wait(100);
-				unlinkSync(WATCHED_ID);
+				await promises.unlink(WATCHED_ID);
 			},
 			'START',
 			'BUNDLE_START',
@@ -356,21 +356,21 @@ describe('rollup.watch', () => {
 			async () => {
 				assert.strictEqual(lastEvent, 'delete');
 				lastEvent = null;
-				writeFileSync(WATCHED_ID, '123');
+				await promises.writeFile(WATCHED_ID, '123');
 				await wait(100);
-				unlinkSync(WATCHED_ID);
+				await promises.unlink(WATCHED_ID);
 				// To ensure there is always another change to trigger a rebuild
-				writeFileSync(MAIN_ID, 'export default 43;');
+				await promises.writeFile(MAIN_ID, 'export default 43;');
 			},
 			'START',
 			'BUNDLE_START',
 			'BUNDLE_END',
 			'END',
 			async () => {
 				assert.strictEqual(lastEvent, null);
-				writeFileSync(WATCHED_ID, '123');
+				await promises.writeFile(WATCHED_ID, '123');
 				await wait(100);
-				writeFileSync(WATCHED_ID, 'asd');
+				await promises.writeFile(WATCHED_ID, 'asd');
 			},
 			'START',
 			'BUNDLE_START',