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* Turkish language created for Docs. Belgeler için türkçe dil desteği oluşturuldu. * Turkish docs fix
101 lines
2.9 KiB
Markdown
101 lines
2.9 KiB
Markdown
# Commands
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NocoBase Server Application is a powerful and extensible CLI tool in addition to being used as a WEB server.
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Create a new `app.js` file with the following code.
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```ts
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const Application = require('@nocobase/server');
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// omit the specific configuration here
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const app = new Application({/*... */});
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app.runAsCLI();
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```
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app.js run as ``runAsCLI()`` is a CLI, it will work like this in the command line tool.
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```bash
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node app.js install # install
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node app.js start # start
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```
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To better develop, build and deploy NocoBase applications, NocoBase has many built-in commands, see the [NocoBase CLI](/api/cli) section for details.
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## How to customize Command?
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NocoBase CLI is designed to be very similar to [Laravel Artisan](https://laravel.com/docs/9.x/artisan), both are extensible. NocoBase CLI is based on [commander](https://www.npmjs.com/ package/commander) implementation, which extends Command like this
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```ts
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export class MyPlugin extends Plugin {
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load() {
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this.app
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.command('echo')
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.option('--v, --version');
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.action(async ([options]) => {
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console.log('Hello World!');
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if (options.version) {
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console.log('Current version:', app.getVersion());
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}
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});
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}
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}
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```
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This method defines the following command.
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```bash
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yarn nocobase echo
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# Hello World!
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yarn nocobase echo -v
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# Hello World!
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# Current version: 0.8.0-alpha.1
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```
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More API details can be found in the [Application.command()](/api/server/application#command) section.
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## Example
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### Defining a command for exporting collections
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If we want to export the data in the application's collections to a JSON file, we can define a subcommand as follows.
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```ts
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import path from 'path';
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import * as fs from 'fs/promises';
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class MyPlugin extends Plugin {
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load() {
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this.app
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.command('export')
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.option('-o, --output-dir')
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.action(async (options, . .collections) => {
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const { outputDir = path.join(process.env.PWD, 'storage') } = options;
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await collections.reduce((promise, collection) => promise.then(async () => {
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if (!this.db.hasCollection(collection)) {
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console.warn('No such collection:', collection);
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return;
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}
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const repo = this.db.getRepository(collection);
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const data = repo.find();
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await fs.writeFile(path.join(outputDir, `${collection}.json`), JSON.stringify(data), { mode: 0o644 });
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}), Promise.resolve());
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});
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}
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}
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```
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After registering and activating the plugin call from the command line.
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```bash
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mkdir -p . /storage/backups
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yarn nocobase export -o . /storage/backups users
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```
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After execution, it will generate `. /storage/backups/users.json` file containing the data from the collections.
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## Summary
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The sample code covered in this chapter is integrated in the [packages/samples/command](https://github.com/nocobase/nocobase/tree/main/packages/samples/command) package and can be run directly locally to see the results.
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