`create-astro` UI (#164)

* refactor: improve create-astro layout, build script

* feat(create-astro): v0.1.0

* docs(create-astro): add README

* feat(create-astro): add meta files to starter templates

2 files changed, 77 insertions, 11 deletions

diff --git a/scripts/cmd/copy.js b/scripts/cmd/copy.js
index 0fffae1c3..6b7e9deee 100644
--- a/scripts/cmd/copy.js
+++ b/scripts/cmd/copy.js
@@ -1,11 +1,74 @@
-import { promises as fs } from 'fs';
-import { resolve, dirname } from 'path';
-import glob from 'tiny-glob';
-
-export default async function copy(pattern, ...args) {
-    const files = await glob(pattern, { filesOnly: true });
-    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))
-    }));
+import { promises as fs, readFileSync } from 'fs';
+import { resolve, dirname, sep, join } from 'path';
+import arg from 'arg';
+import glob from 'globby';
+import tar from 'tar';
+
+/** @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);
 }
diff --git a/scripts/package.json b/scripts/package.json
index f9afe3612..4ece70b11 100644
--- a/scripts/package.json
+++ b/scripts/package.json
@@ -8,6 +8,9 @@
         "astro-scripts": "./index.js"
     },
     "dependencies": {
-        "esbuild": "^0.11.16"
+        "arg": "^5.0.0",
+        "esbuild": "^0.11.16",
+        "globby": "^11.0.3",
+        "tar": "^6.1.0"
     }
 }