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path: root/packages/create-astro/src/index.tsx
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import 'source-map-support/register.js';
import React from 'react';
import App from './components/App';
import Version from './components/Version';
import Exit from './components/Exit';
import {render} from 'ink';
import { getTemplates, addProcessListeners } from './utils';
import { args as argsConfig } from './config';
import arg from 'arg';
import Help from './components/Help';

/** main `create-astro` CLI */
export default async function createAstro() {
    const args = arg(argsConfig);
    const projectName = args._[0];
    if (args['--version']) {
        return render(<Version />);
    }
    const templates = await getTemplates();
    if (args['--help']) {
        return render(<Help context={{ templates }} />)
    }

    const pkgManager = /yarn/.test(process.env.npm_execpath) ? 'yarn' : 'npm';
    const use = (args['--use'] ?? pkgManager) as 'npm'|'yarn';
    const template = args['--template'];
    const force = args['--force'];
    const run = args['--run'] ?? true;
    
    const app = render(<App context={{ projectName, template, templates, force, run, use }} />);

    const onError = () => {
        if (app) app.clear();
        render(<Exit didError />);
    }
    const onExit = () => {
        if (app) app.clear();
        render(<Exit />);
    }
    addProcessListeners([
        ['uncaughtException', onError],
        ['exit', onExit],
        ['SIGINT', onExit],
        ['SIGTERM', onExit],
    ])
}