@putout/plugin-nextjs 
🐊Putout plugin adds ability to migrate to latest version of Next.js. Not Bundled.
Install
npm i putout @putout/plugin-nextjs -D
Add .putout.json with:
{
"plugins": ["nextjs"]
}Rules
Here is list of rules:
{
"rules": {
"nextjs/create-app-directory": "on",
"nextjs/remove-a-from-link": "on",
"nextjs/convert-page-to-head": "on",
"nextjs/move-404-to-not-found": "on",
"nextjs/update-tsconfig": "off",
"nextjs/update-tsconfig-file": "on"
}
}remove-a-from-link
Next.js 12: <a> has to be nested otherwise it's excluded, Next.js 13: <Link> always renders <a> under the hood.
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❌ Example of incorrect code
import Link from 'next/link';
export default function Nav() {
<Link href="/about">
<a>
About
</a>
</Link>;
}✅ Example of correct code
import Link from 'next/link';
export default function Nav() {
<Link href="/about">
About
</Link>;
}convert-page-to-head
In the pages directory, the next/head React component is used to manage <head> HTML elements such as title and meta . In the app directory, next/head is replaced with a new head.js special file.
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❌ Example of incorrect code
import Head from 'next/head';
export default function Page() {
return (
<>
<Head>
<title>
My page title
</title>
</Head>
</>
);
}✅ Example of correct code
export default function Head() {
return (
<>
<title>
My page title
</title>
</>
);
}create-app-directory
For new applications, we recommend using the App Router. This router allows you to use React's latest features and is an evolution of the Pages Router based on community feedback.
(c) nextjs.org
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+app/move-404-to-not-found
pages/404.jshas been replaced with thenot-found.jsfile.(c) nextjs.org
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-app/pages/404.js
+app/not-found.jsupdate-tsconfig
If you're using TypeScript, you need to update your
tsconfig.jsonfile with the following changes to make it compatible with Next.js.(c) nextjs.org
Add ./dist/types/**/*.ts and ./next-env.d.ts to the include array.
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tsconfig.json:
{
- "includes": []
+ "includes": ["./dist/types/**/*.ts", "./next-env.d.ts"]
}The rule disabled by default. To enable use update-tsconfig-file or update .putout.json with:
{
"match": {
"tsconfig.json": {
"nexts/update-ts-config": "on"
}
},
"plugins": ["nextjs"]
}update-tsconfig-file
Enables update-tsconfig for tsconfig.json without using match.
Run redlint to generate .filesystem.json and then lint.
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License
MIT