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tools/copy.js

@@ -0,0 +1,57 @@
+import path from 'path';
+import chokidar from 'chokidar';
+import { writeFile, copyFile, makeDir, copyDir, cleanDir } from './lib/fs';
+import pkg from '../package.json';
+import { format } from './run';
+
+/**
+ * Copies static files such as robots.txt, favicon.ico to the
+ * output (build) folder.
+ */
+async function copy() {
+  await makeDir('build');
+  await Promise.all([
+    writeFile('build/package.json', JSON.stringify({
+      private: true,
+      engines: pkg.engines,
+      dependencies: pkg.dependencies,
+      scripts: {
+        start: 'node server.js',
+      },
+    }, null, 2)),
+    copyFile('LICENSE.txt', 'build/LICENSE.txt'),
+    copyDir('src/content', 'build/content'),
+    copyDir('public', 'build/public'),
+  ]);
+
+  if (process.argv.includes('--watch')) {
+    const watcher = chokidar.watch([
+      'src/content/**/*',
+      'public/**/*',
+    ], { ignoreInitial: true });
+
+    watcher.on('all', async (event, filePath) => {
+      const start = new Date();
+      const src = path.relative('./', filePath);
+      const dist = path.join('build/', src.startsWith('src') ? path.relative('src', src) : src);
+      switch (event) {
+        case 'add':
+        case 'change':
+          await makeDir(path.dirname(dist));
+          await copyFile(filePath, dist);
+          break;
+        case 'unlink':
+        case 'unlinkDir':
+          cleanDir(dist, { nosort: true, dot: true });
+          break;
+        default:
+          return;
+      }
+      const end = new Date();
+      const time = end.getTime() - start.getTime();
+      console.log(`[${format(end)}] ${event} '${dist}' after ${time} ms`);
+    });
+  }
+}
+
+export default copy;