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import type { Context } from './context.js';
import { color } from '@astrojs/cli-kit';
import { downloadTemplate } from 'giget';
import fs from 'node:fs';
import path from 'node:path';
import { error, info, spinner, title } from '../messages.js';
export async function template(
ctx: Pick<Context, 'template' | 'prompt' | 'yes' | 'dryRun' | 'exit'>
) {
if (ctx.yes) {
ctx.template = 'basics';
await info('tmpl', `Using ${color.reset(ctx.template)}${color.dim(' as project template')}`);
} else if (!ctx.template) {
const { template: tmpl } = await ctx.prompt({
name: 'template',
type: 'select',
label: title('tmpl'),
message: 'How would you like to start your new project?',
initial: 'basics',
choices: [
{ value: 'basics', label: 'Include sample files', hint: '(recommended)' },
{ value: 'blog', label: 'Use blog template' },
{ value: 'minimal', label: 'Empty' },
],
});
ctx.template = tmpl;
} else {
await info('tmpl', `Using ${color.reset(ctx.template)}${color.dim(' as project template')}`);
}
if (ctx.dryRun) {
await info('--dry-run', `Skipping template copying`);
} else if (ctx.template) {
await spinner({
start: 'Template copying...',
end: 'Template copied',
while: () =>
copyTemplate(ctx.template!, ctx as Context).catch((e) => {
if (e instanceof Error) {
error('error', e.message);
process.exit(1);
} else {
error('error', 'Unable to clone template.');
process.exit(1);
}
}),
});
} else {
ctx.exit(1);
}
}
// some files are only needed for online editors when using astro.new. Remove for create-astro installs.
const FILES_TO_REMOVE = ['CHANGELOG.md', '.codesandbox'];
const FILES_TO_UPDATE = {
'package.json': (file: string, overrides: { name: string }) =>
fs.promises.readFile(file, 'utf-8').then((value) => {
// Match first indent in the file or fallback to `\t`
const indent = /(^\s+)/m.exec(value)?.[1] ?? '\t';
fs.promises.writeFile(
file,
JSON.stringify(
Object.assign(JSON.parse(value), Object.assign(overrides, { private: undefined })),
null,
indent
),
'utf-8'
);
}),
};
export function getTemplateTarget(tmpl: string, ref = 'latest') {
if (tmpl.startsWith('starlight')) {
const [, starter = 'basics'] = tmpl.split('/');
return `withastro/starlight/examples/${starter}`;
}
const isThirdParty = tmpl.includes('/');
if (isThirdParty) return tmpl;
return `github:withastro/astro/examples/${tmpl}#${ref}`;
}
export default async function copyTemplate(tmpl: string, ctx: Context) {
const templateTarget = getTemplateTarget(tmpl, ctx.ref);
// Copy
if (!ctx.dryRun) {
try {
await downloadTemplate(templateTarget, {
force: true,
provider: 'github',
cwd: ctx.cwd,
dir: '.',
});
} catch (err: any) {
fs.rmdirSync(ctx.cwd);
if (err.message.includes('404')) {
throw new Error(`Template ${color.reset(tmpl)} ${color.dim('does not exist!')}`);
} else {
throw new Error(err.message);
}
}
// It's possible the repo exists (ex. `withastro/astro`),
// But the template route is invalid (ex. `withastro/astro/examples/DNE`).
// `giget` doesn't throw for this case,
// so check if the directory is still empty as a heuristic.
if (fs.readdirSync(ctx.cwd).length === 0) {
throw new Error(`Template ${color.reset(tmpl)} ${color.dim('is empty!')}`);
}
// Post-process in parallel
const removeFiles = FILES_TO_REMOVE.map(async (file) => {
const fileLoc = path.resolve(path.join(ctx.cwd, file));
if (fs.existsSync(fileLoc)) {
return fs.promises.rm(fileLoc, { recursive: true });
}
});
const updateFiles = Object.entries(FILES_TO_UPDATE).map(async ([file, update]) => {
const fileLoc = path.resolve(path.join(ctx.cwd, file));
if (fs.existsSync(fileLoc)) {
return update(fileLoc, { name: ctx.projectName! });
}
});
await Promise.all([...removeFiles, ...updateFiles]);
}
}
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