refactor: Build only ESM, correct TS types

Author: rschristian

babel.config.js

@@ -1,10 +1,11 @@
-module.exports = function (api) {
+import mangle from './mangle.json' with { type: 'json' };
+
+export default function (api) {
 	api.cache(true);
 
 	const noModules = String(process.env.BABEL_NO_MODULES) === 'true';
 
 	const rename = {};
-	const mangle = require('./mangle.json');
 	for (let prop in mangle.props.props) {
 		let name = prop;
 		if (name[0] === '$') {
@@ -47,4 +48,4 @@ module.exports = function (api) {
 			}
 		]
 	};
-};
+}

compat/client.js

@@ -1,6 +1,6 @@
-const { render, hydrate, unmountComponentAtNode } = require('preact/compat');
+import { render, hydrate, unmountComponentAtNode } from 'preact/compat';
 
-function createRoot(container) {
+export function createRoot(container) {
 	return {
 		// eslint-disable-next-line
 		render: function (children) {
@@ -13,9 +13,12 @@ function createRoot(container) {
 	};
 }
 
-exports.createRoot = createRoot;
-
-exports.hydrateRoot = function (container, children) {
+export function hydrateRoot(container, children) {
 	hydrate(children, container);
 	return createRoot(container);
+}
+
+export default {
+	createRoot,
+	hydrateRoot
 };

compat/client.mjs

@@ -1,3 +1,3 @@
-require('preact/compat');
+import 'preact/compat';
 
-module.exports = require('preact/jsx-runtime');
+export * from 'preact/jsx-runtime';

compat/jsx-dev-runtime.js

@@ -1,3 +1,3 @@
-require('preact/compat');
+import 'preact/compat';
 
-module.exports = require('preact/jsx-runtime');
+export * from 'preact/jsx-runtime';

compat/jsx-dev-runtime.mjs

@@ -1,11 +1,9 @@
 {
   "name": "preact-compat",
-  "amdName": "preactCompat",
   "private": true,
   "description": "A React compatibility layer for Preact",
+  "type": "module",
   "main": "dist/compat.js",
-  "module": "dist/compat.mjs",
-  "umd:main": "dist/compat.umd.js",
   "source": "src/index.js",
   "types": "src/index.d.ts",
   "license": "MIT",

compat/jsx-runtime.js

@@ -1,15 +1,23 @@
-// see scheduler.mjs
+/* eslint-disable */
 
-function unstable_runWithPriority(priority, callback) {
+// This file includes experimental React APIs exported from the "scheduler"
+// npm package. Despite being explicitely marked as unstable some libraries
+// already make use of them. This file is not a full replacement for the
+// scheduler package, but includes the necessary shims to make those libraries
+// work with Preact.
+
+export var unstable_ImmediatePriority = 1;
+export var unstable_UserBlockingPriority = 2;
+export var unstable_NormalPriority = 3;
+export var unstable_LowPriority = 4;
+export var unstable_IdlePriority = 5;
+
+/**
+ * @param {number} priority
+ * @param {() => void} callback
+ */
+export function unstable_runWithPriority(priority, callback) {
 	return callback();
 }
 
-module.exports = {
-	unstable_ImmediatePriority: 1,
-	unstable_UserBlockingPriority: 2,
-	unstable_NormalPriority: 3,
-	unstable_LowPriority: 4,
-	unstable_IdlePriority: 5,
-	unstable_runWithPriority,
-	unstable_now: performance.now.bind(performance)
-};
+export var unstable_now = performance.now.bind(performance);