chore: Upgrade Preact (vercel#544)

* chore: Upgrade preact

* fix: remove unnecessary dependencies

* Added preact-ssr-prepass

Author: 9renpoto

packages/next-preact/alias.js

@@ -1,7 +1,7 @@
-const path = require('path')
 const moduleAlias = require('module-alias')
 
 module.exports = () => {
-  moduleAlias.addAlias('react', path.join(__dirname, './preact-compat.js'))
-  moduleAlias.addAlias('react-dom', 'preact-compat')
+  moduleAlias.addAlias('react', 'preact/compat')
+  moduleAlias.addAlias('react-dom', 'preact/compat')
+  moduleAlias.addAlias('react-ssr-prepass', 'preact-ssr-prepass')
 }

packages/next-preact/index.js

@@ -1,5 +1,3 @@
-const path = require('path')
-
 module.exports = (nextConfig = {}) => {
   return Object.assign({}, nextConfig, {
     webpack(config, options) {
@@ -14,10 +12,10 @@ module.exports = (nextConfig = {}) => {
       }
 
       config.resolve.alias = Object.assign({}, config.resolve.alias, {
-        react$: path.join(__dirname, './preact-compat.js'),
-        'react-dom$': 'preact-compat',
-        react: path.join(__dirname, './preact-compat.js'),
-        'react-dom': 'preact-compat'
+        react$: 'preact/compat',
+        'react-dom$': 'preact/compat',
+        react: 'preact/compat',
+        'react-dom': 'preact/compat'
       })
 
       if (typeof nextConfig.webpack === 'function') {

packages/next-preact/package.json

@@ -5,9 +5,7 @@
   "license": "MIT",
   "repository": "zeit/next-plugins",
   "peerDependencies": {
-    "preact": "^8.2.0",
-    "preact-compat": "^3.17.0",
-    "preact-context": "^1.1.3"
+    "preact": "^10.0.0"
   },
   "dependencies": {
     "module-alias": "2.0.6"

packages/next-preact/preact-compat.js

@@ -5,13 +5,13 @@ Use [preact](https://preactjs.com/) with [Next.js](https://github.com/zeit/next.
 ## Installation
 
 ```
-npm install --save @zeit/next-preact preact preact-compat preact-context
+npm install --save @zeit/next-preact preact preact-ssr-prepass
 ```
 
 or
 
 ```
-yarn add @zeit/next-preact preact preact-compat preact-context
+yarn add @zeit/next-preact preact preact-ssr-prepass
 ```
 
 ## Usage