implement exists (#40)

holepunchto · Jan 31, 2025 · b3ca96c · b3ca96c
1 parent 97503be
commit b3ca96c
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diff --git a/index.js b/index.js
@@ -272,6 +272,10 @@ module.exports = class Localdrive {
     }
   }
 
+  async exists (name) {
+    return await this.entry(name) !== null
+  }
+
   mirror (out, opts) {
     return new MirrorDrive(this, out, opts)
   }

diff --git a/test/entry.js b/test/entry.js
@@ -217,3 +217,13 @@ test('non-existing follow entry', async function (t) {
 
   t.is(await drive.entry('/file.random.shortcut', { follow: true }), null)
 })
+
+test('exists', async function (t) {
+  const drive = createDrive(t)
+  t.is(await drive.exists('/examples/a.txt'), true)
+  t.is(await drive.exists('/exists.txt'), false)
+
+  await drive.put('/exists.txt', Buffer.from('hello-world'))
+
+  t.is(await drive.exists('/exists.txt'), true)
+})