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import { promises as fs, readFileSync } from 'fs';
import { posix } from 'path';
import arg from 'arg';
import { globby as glob } from 'globby';
import tar from 'tar';
const { resolve, dirname, sep, join } = posix;
/** @type {import('arg').Spec} */
const spec = {
'--tgz': Boolean,
};
export default async function copy() {
let { _: patterns, ['--tgz']: isCompress } = arg(spec);
patterns = patterns.slice(1);
if (isCompress) {
const files = await glob(patterns, { gitignore: true });
const rootDir = resolveRootDir(files);
const destDir = rootDir.replace(/^[^/]+/, 'dist');
const templates = files.reduce((acc, curr) => {
const name = curr.replace(rootDir, '').slice(1).split(sep)[0];
if (acc[name]) {
acc[name].push(resolve(curr));
} else {
acc[name] = [resolve(curr)];
}
return acc;
}, {});
let meta = {};
return Promise.all(
Object.entries(templates).map(([template, files]) => {
const cwd = resolve(join(rootDir, template));
const dest = join(destDir, `${template}.tgz`);
const metafile = files.find((f) => f.endsWith('meta.json'));
if (metafile) {
files = files.filter((f) => f !== metafile);
meta[template] = JSON.parse(readFileSync(metafile).toString());
}
return fs.mkdir(dirname(dest), { recursive: true }).then(() =>
tar.create(
{
gzip: true,
portable: true,
file: dest,
cwd,
},
files.map((f) => f.replace(cwd, '').slice(1))
)
);
})
).then(() => {
if (Object.keys(meta).length > 0) {
return fs.writeFile(resolve(destDir, 'meta.json'), JSON.stringify(meta, null, 2));
}
});
}
const files = await glob(patterns);
await Promise.all(
files.map((file) => {
const dest = resolve(file.replace(/^[^/]+/, 'dist'));
return fs
.mkdir(dirname(dest), { recursive: true })
.then(() => fs.copyFile(resolve(file), dest));
})
);
}
function resolveRootDir(files) {
return files
.reduce((acc, curr) => {
const currParts = curr.split(sep);
if (acc.length === 0) return currParts;
const result = [];
currParts.forEach((part, i) => {
if (acc[i] === part) result.push(part);
});
return result;
}, [])
.join(sep);
}
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