BREAKING: support of es module

copy-src.js

@@ -1,9 +1,9 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-const fs = require('fs');
-const path = require('path');
-const mkdir = require('mkdirp');
+import fs from 'fs';
+import path from 'path';
+import {mkdirp as mkdir} from 'mkdirp';
+import {fileURLToPath} from 'url';
 
-const readDir = dir => fs.promises.readdir(path.join(__dirname, dir), {
+const readDir = dir => fs.promises.readdir(path.join(dirname, dir), {
   withFileTypes: true
 });
 
@@ -27,28 +27,27 @@ const copyIfNewer = async (src, dest) => {
   return fs.promises.copyFile(src, dest);
 };
 
-(async () => {
-  let dir = [''], queue = [], pending = [];
-  queue.push(readDir('src'));
-  let currentDir, currentContent, nextDir, srcFile, destFile;
-  while (dir.length) {
-    currentDir = dir.shift();
-    currentContent = await queue.shift();
-    for (let dirent of currentContent) {
-      if (dirent.isDirectory()) {
-        nextDir = path.join(currentDir, dirent.name);
-        dir.push(nextDir);
-        queue.push(readDir(path.join('src', nextDir)));
-      } else if (dirent.isFile() && !dirent.name.endsWith('.ts')) {
-        if (!fs.existsSync(nextDir = path.join(__dirname, 'lib', currentDir))) {
-          console.debug(new Date().toLocaleString(), 'mkdir', nextDir);
-          mkdir.mkdirpSync(nextDir);
-        }
-        srcFile = path.join(__dirname, 'src', currentDir, dirent.name);
-        destFile = path.join(nextDir, dirent.name);
-        pending.push(copyIfNewer(srcFile, destFile));
+const dirname = path.dirname(fileURLToPath(import.meta.url));
+let dir = [''], queue = [], pending = [];
+queue.push(readDir('src'));
+let currentDir, currentContent, nextDir, srcFile, destFile;
+while (dir.length) {
+  currentDir = dir.shift();
+  currentContent = await queue.shift();
+  for (let dirent of currentContent) {
+    if (dirent.isDirectory()) {
+      nextDir = path.join(currentDir, dirent.name);
+      dir.push(nextDir);
+      queue.push(readDir(path.join('src', nextDir)));
+    } else if (dirent.isFile() && !dirent.name.endsWith('.ts')) {
+      if (!fs.existsSync(nextDir = path.join(dirname, 'lib', currentDir))) {
+        console.debug(new Date().toLocaleString(), 'mkdir', nextDir);
+        mkdir.mkdirpSync(nextDir);
       }
+      srcFile = path.join(dirname, 'src', currentDir, dirent.name);
+      destFile = path.join(nextDir, dirent.name);
+      pending.push(copyIfNewer(srcFile, destFile));
     }
   }
-  return Promise.all(pending);
-})();
+}
+await Promise.all(pending);

jest.config.js

@@ -1,19 +1,10 @@
+// jest.config.ts
+import {createDefaultEsmPreset} from 'ts-jest';
+
 /** @type {import('ts-jest').JestConfigWithTsJest} */
-const config = {
-  extensionsToTreatAsEsm: ['.ts'],
+export default {
+  ...createDefaultEsmPreset(),
   moduleNameMapper: {
     '^(\\.{1,2}/.*)\\.js$': '$1',
   },
-  transform: {
-    // '^.+\\.[tj]sx?$' to process ts,js,tsx,jsx with `ts-jest`
-    // '^.+\\.m?[tj]sx?$' to process ts,js,tsx,jsx,mts,mjs,mtsx,mjsx with `ts-jest`
-    '\\.[jt]sx?$': [
-      'ts-jest',
-      {
-        useESM: true,
-      },
-    ],
-  },
 };
-
-module.exports = config;

package-lock-resolved.js

@@ -1,19 +1,21 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-const fs = require('fs');
-const path = require('path');
+import fs from 'fs';
+import path from 'path';
+import {fileURLToPath} from 'url';
+
 // true to remove the resolved property from dependencies
 // false to convent the awful registry.npm.taobao.org url to registry.npmjs.org
 const remove = process.env.NPM_PACKAGE_LOCK_REMOVE_RESOLVED || false;
 
+const dirname = path.dirname(fileURLToPath(import.meta.url));
 // since this is the only file reading, using sync io is acceptable
 const packageLock =
-  JSON.parse(fs.readFileSync(path.join(__dirname, 'package-lock.json'), {
+  JSON.parse(fs.readFileSync(path.join(dirname, 'package-lock.json'), {
     encoding: 'utf8'
   }));
 
 processDependency(packageLock);
 
-fs.writeFileSync(path.join(__dirname, 'package-lock.json'),
+fs.writeFileSync(path.join(dirname, 'package-lock.json'),
   // to make github dependabot happy
   JSON.stringify(packageLock, null, 2) + '\n');
 
@@ -94,6 +96,9 @@ function processDependency(dependency) {
   if (dependency.dependencies) {
     processDependencies(dependency.dependencies);
   }
+  if (dependency.packages) {
+    processDependencies(dependency.packages);
+  }
 }
 
 function processDependencies(dependencies) {