[Refactor] move entrypoint to ESM

Author: ljharb

bin.js renamed to bin.mjs

@@ -1,19 +1,17 @@
 #!/usr/bin/env node
 
-'use strict';
+import npx from 'libnpx';
+import getLockfile from 'npm-lockfile/getLockfile';
+import finder from 'find-package-json';
+import semver from 'semver';
+import colors from 'colors/safe.js';
 
-const npx = require('libnpx');
-const getLockfile = require('npm-lockfile/getLockfile');
-const finder = require('find-package-json');
-const semver = require('semver');
-const colors = require('colors/safe');
+import path from 'path';
+import { existsSync } from 'fs';
+import { copyFile, writeFile } from 'fs/promises';
+import { execSync } from 'child_process';
 
-const path = require('path');
-const { existsSync } = require('fs');
-const { copyFile, writeFile } = require('fs').promises;
-const { execSync } = require('child_process');
-
-const getProjectTempDir = require('./getProjectTempDir');
+import getProjectTempDir from './getProjectTempDir.js';
 
 const { filename: pkg } = finder(process.cwd()).next();
 const pkgDir = path.dirname(pkg);
@@ -50,13 +48,14 @@ if (npmIsGood && (hasPkgLock || hasShrink || isFix)) {
 	Promise.all([
 		getLockfile(pkg),
 		getProjectTempDir({ npmNeeded }),
-	]).then(([lockfile, tmpDir]) => {
+	]).then(async ([lockfile, tmpDir]) => {
 		const lockfilePath = path.join(tmpDir, 'package-lock.json');
 		const writtenLockfile = writeFile(lockfilePath, lockfile, encoding);
 		const writtenPkg = copyFile(pkg, path.join(tmpDir, 'package.json'));
 		const auditLevel = execSync(`npm config get audit-level --no-workspaces --prefix="${process.cwd()}"`, encoding).trim();
 		const writtenRC = auditLevel && auditLevel !== 'undefined' ? writeFile(path.join(tmpDir, '.npmrc'), `audit-level=${auditLevel}`, encoding) : null;
-		return Promise.all([writtenLockfile, writtenPkg, writtenRC]).then(() => tmpDir);
+		await Promise.all([writtenLockfile, writtenPkg, writtenRC]);
+		return tmpDir;
 	}).then((tmpDir) => {
 		process.chdir(tmpDir);
 		process.env.PATH = `${path.join(tmpDir, '../node_modules/.bin')}:${process.env.PATH}`;

package.json

@@ -2,7 +2,7 @@
 	"name": "aud",
 	"version": "2.0.5",
 	"description": "Use `npx aud` instead of `npm audit`, whether you have a lockfile or not!",
-	"bin": "./bin.js",
+	"bin": "./bin.mjs",
 	"exports": {
 		"./package.json": "./package.json"
 	},
@@ -14,7 +14,7 @@
 		"lint": "eslint --ext=js,mjs .",
 		"tests-only": "nyc tape 'test/**/*.js'",
 		"test": "npm run tests-only",
-		"posttest": "./bin.js --production",
+		"posttest": "./bin.mjs --production",
 		"version": "auto-changelog && git add CHANGELOG.md",
 		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
 	},

test/index.js

@@ -11,10 +11,12 @@ function hideWarnings(lines) {
 	return lines.filter((x) => !(/^npm WARN|^\(node:\d+\) ExperimentalWarning/).test(x));
 }
 
+const binPath = require('../package.json').bin;
+
 test('fix option', (t) => {
 	t.plan(6);
 	process.chdir(path.join(__dirname, '..'));
-	exec('./bin.js fix', { encoding: 'utf-8' }, (error, stdout, stderr) => {
+	exec(`${binPath} fix`, { encoding: 'utf-8' }, (error, stdout, stderr) => {
 		process.chdir(cwd);
 
 		t.ok(error, 'errors');