Fix flat option when copying a single file (#101)

sindresorhus · Mar 7, 2022 · 2014a4f · 2014a4f
1 parent 84fe6ed
commit 2014a4f
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Showing 2 changed files with 23 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -106,6 +106,10 @@ const preprocessDestinationPath = ({entry, destination, options}) => {
 		return path.join(options.cwd, destination, path.basename(entry.pattern.originalPath), path.relative(entry.pattern.originalPath, entry.path));
 	}
 
+	if (!entry.pattern.isDirectory && options.flat) {
+		return path.join(options.cwd, destination, path.basename(entry.pattern.originalPath));
+	}
+
 	return path.join(options.cwd, destination, path.relative(options.cwd, entry.path));
 };
 

diff --git a/test.js b/test.js
@@ -247,6 +247,25 @@ test('flatten directory tree', async t => {
 	);
 });
 
+test('flatten single file', async t => {
+	fs.mkdirSync(t.context.tmp);
+	fs.mkdirSync(path.join(t.context.tmp, 'source'));
+	fs.writeFileSync(
+		path.join(t.context.tmp, 'source/bar.js'),
+		'console.log("bar");',
+	);
+
+	await cpy('source/bar.js', 'destination', {
+		cwd: t.context.tmp,
+		flat: true,
+	});
+
+	t.is(
+		read(t.context.tmp, 'source/bar.js'),
+		read(t.context.tmp, 'destination/bar.js'),
+	);
+});
+
 // TODO: Enable again when ESM supports mocking.
 // eslint-disable-next-line ava/no-skip-test
 test.skip('cp-file errors are CpyErrors', async t => {