Modules all the way

tasks/generate-info.js

@@ -1,11 +1,16 @@
-const fse = require('fs-extra');
-const path = require('path');
-const spawn = require('child_process').spawn;
-const walk = require('walk').walk;
-const isWindows = process.platform.indexOf('win') === 0;
+import esMain from 'es-main';
+import fse from 'fs-extra';
+import path from 'path';
+import {dirname} from 'path';
+import {fileURLToPath} from 'url';
+import {spawn} from 'child_process';
+import {walk} from 'walk';
 
-const sourceDir = path.join(__dirname, '..', 'src');
-const infoPath = path.join(__dirname, '..', 'build', 'info.json');
+const isWindows = process.platform.indexOf('win') === 0;
+const baseDir = dirname(fileURLToPath(import.meta.url));
+
+const sourceDir = path.join(baseDir, '..', 'src');
+const infoPath = path.join(baseDir, '..', 'build', 'info.json');
 
 /**
  * Get checked path of a binary.
@@ -17,9 +22,15 @@ function getBinaryPath(binaryName) {
     binaryName += '.cmd';
   }
 
-  const jsdocResolved = require.resolve('jsdoc/jsdoc.js');
+  const jsdocResolved = path.join(
+    baseDir,
+    '..',
+    'node_modules',
+    'jsdoc',
+    'jsdoc.js'
+  );
   const expectedPaths = [
-    path.join(__dirname, '..', 'node_modules', '.bin', binaryName),
+    path.join(baseDir, '..', 'node_modules', '.bin', binaryName),
     path.resolve(
       path.join(path.dirname(jsdocResolved), '..', '.bin', binaryName)
     ),
@@ -40,7 +51,7 @@ function getBinaryPath(binaryName) {
 const jsdoc = getBinaryPath('jsdoc');
 
 const jsdocConfig = path.join(
-  __dirname,
+  baseDir,
   '..',
   'config',
   'jsdoc',
@@ -120,7 +131,7 @@ function spawnJSDoc(paths) {
   return new Promise((resolve, reject) => {
     let output = '';
     let errors = '';
-    const cwd = path.join(__dirname, '..');
+    const cwd = path.join(baseDir, '..');
     const child = spawn(jsdoc, ['-c', jsdocConfig].concat(paths), {cwd: cwd});
 
     child.stdout.on('data', (data) => {
@@ -162,7 +173,7 @@ async function write(info) {
  * Generate info from the sources.
  * @return {Promise<Error>} Resolves with the info object.
  */
-async function main() {
+export default async function main() {
   const paths = await getPaths();
   return await spawnJSDoc(paths);
 }
@@ -170,15 +181,10 @@ async function main() {
 /**
  * If running this module directly, generate and write out the info.json file.
  */
-if (require.main === module) {
+if (esMain(import.meta)) {
   main()
     .then(write)
     .catch((err) => {
       process.stderr.write(`${err.message}\n`, () => process.exit(1));
     });
 }
-
-/**
- * Export main function.
- */
-module.exports = main;