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import fs from 'fs';
import path from 'path';
import { bold, cyan, gray, green, red } from 'kleur/colors';
import prompts from 'prompts';
import degit from 'degit';
import yargs from 'yargs-parser';
import { TEMPLATES } from './templates.js';
const args = yargs(process.argv);
prompts.override(args);
export function mkdirp(dir: string) {
try {
fs.mkdirSync(dir, { recursive: true });
} catch (e) {
if (e.code === 'EEXIST') return;
throw e;
}
}
const { version } = JSON.parse(fs.readFileSync(new URL('../package.json', import.meta.url), 'utf-8'));
const POSTPROCESS_FILES = ['package.json']; // some files need processing after copying.
export async function main() {
console.log('\n' + bold('Welcome to Astro!') + gray(` (create-astro v${version})`));
console.log(`If you encounter a problem, visit ${cyan('https://github.com/snowpack/astro/issues')} to search or file a new issue.\n`);
console.log(green(`>`) + gray(` Prepare for liftoff.`));
console.log(green(`>`) + gray(` Gathering mission details...`));
const cwd = args['_'][2] || '.';
if (fs.existsSync(cwd)) {
if (fs.readdirSync(cwd).length > 0) {
const response = await prompts({
type: 'confirm',
name: 'forceOverwrite',
message: 'Directory not empty. Continue?',
initial: false,
});
if (!response.forceOverwrite) {
process.exit(1);
}
}
} else {
mkdirp(cwd);
}
const options = /** @type {import('./types/internal').Options} */ await prompts([
{
type: 'select',
name: 'template',
message: 'Which app template would you like to use?',
choices: TEMPLATES,
},
]);
const hash = args.commit ? `#${args.commit}` : '';
const emitter = degit(`snowpackjs/astro/examples/${options.template}${hash}`, {
cache: false,
force: true,
verbose: false,
});
// Copy
try {
// emitter.on('info', info => { console.log(info.message) });
console.log(green(`>`) + gray(` Copying project files...`));
await emitter.clone(cwd);
} catch (err) {
// degit is compiled, so the stacktrace is pretty noisy. Just report the message.
console.error(red(err.message));
process.exit(1);
}
// Post-process in parallel
await Promise.all(
POSTPROCESS_FILES.map(async (file) => {
const fileLoc = path.join(cwd, file);
switch (file) {
case 'package.json': {
const packageJSON = JSON.parse(await fs.promises.readFile(fileLoc, 'utf8'));
delete packageJSON.snowpack; // delete snowpack config only needed in monorepo (can mess up projects)
await fs.promises.writeFile(fileLoc, JSON.stringify(packageJSON, undefined, 2));
break;
}
}
})
);
console.log(bold(green('✔ Copied project files')));
console.log('\nNext steps:');
let i = 1;
const relative = path.relative(process.cwd(), cwd);
if (relative !== '') {
console.log(` ${i++}: ${bold(cyan(`cd ${relative}`))}`);
}
console.log(` ${i++}: ${bold(cyan('npm install'))} (or pnpm install, yarn, etc)`);
console.log(` ${i++}: ${bold(cyan('git init && git add -A && git commit -m "Initial commit"'))} (optional step)`);
console.log(` ${i++}: ${bold(cyan('npm start'))} (or pnpm, yarn, etc)`);
console.log(`\nTo close the dev server, hit ${bold(cyan('Ctrl-C'))}`);
console.log('\nStuck? Visit us at https://astro.build/chat\n');
}
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