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@harperdb/nextjs
Advanced tools
A HarperDB Component for running and developing Next.js apps.
Most Next.js features are supported as we rely on the Next.js Server provided by Next.js to run your application.
[!TIP] Watch a walkthrough of this component in action here: Next.js on HarperDB | Step-by-Step Guide for Next Level Next.js Performance
[!NOTE] This guide assumes you're already familiar with HarperDb Components. Please review the documentation, or check out the HarperDB Next.js Example for more information.
npm install @harperdb/nextjs
config.yaml
:'@harperdb/nextjs':
package: '@harperdb/nextjs'
files: '/*'
harperdb run nextjs-app
Alternatively, you can use the included harperdb-nextjs
CLI:
harperdb-nextjs build | dev | start
// app/actions.js
'use server';
import('harperdb');
export async function listDogs() {
const dogs = [];
for await (const dog of tables.Dog.search()) {
dogs.push({ id: dog.id, name: dog.name });
}
return dogs;
}
export async function getDog(id) {
return tables.Dog.get(id);
}
// app/dogs/[id]/page.jsx
import { getDog, listDogs } from '@/app/actions';
export async function generateStaticParams() {
const dogs = await listDogs();
return dogs;
}
export default async function Dog({ params }) {
const dog = await getDog(params.id);
return (
<section>
<h1>{dog.name}</h1>
<p>Breed: {dog.get('breed')}</p>
<p>Woof!</p>
</section>
);
}
HarperDB relies on native dependencies and must be configured as an external package. In Next.js v14, update the next.config.js webpack
option with:
webpack: (config) => {
config.externals.push({
harperdb: 'commonjs harperdb',
});
return config;
},
All configuration options are optional
buildCommand: string
Specify a custom build command. Defaults to next build
.
Note: the extension will skip building if the
prebuilt
option is set totrue
buildOnly: boolean
Build the Next.js application and then exit (including shutting down HarperDB). Defaults to false
.
dev: boolean
Enables Next.js dev mode. Defaults to false
.
port: number
Specify a port for the Next.js server. Defaults to the HarperDB default port (generally 9926
).
prebuilt: boolean
When enabled, the extension will look for a .next
directory in the root of the component and skip executing the buildCommand
. Defaults to false
.
securePort: number
Specify a secure port for the Next.js server. Defaults to the HarperDB default secure port.
This package includes a CLI (harperdb-nextjs
) that is meant to replace certain functions of the Next.js CLI. It will launch HarperDB and set sensible configuration values.
Available commands include:
dev
Launches the application in Next.js development mode, and enables HMR for instantaneous updates when modifying application code.
[!NOTE] Dev mode for Next.js v13+ relies on WebSockets. If you encounter an
Invalid WebSocket frame:
error, disable any other WebSocket services on the Next.js port. This commonly can be the HarperDB MQTT WebSocket service, which can be configured under themqtt
option withinharperdb-config.yaml
.
build
Builds the application and then exits the process.
start
Launches the application in Next.js production mode.
help
Lists available CLI commands.
FAQs
A HarperDB Component for running Next.js apps.
We found that @harperdb/nextjs demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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