fix!: codename should be null on non-lts (#21)

Author: wesleytodd

index.js

@@ -83,7 +83,7 @@ async function getLatestVersionsByCodename (now, cache, mirror) {
   const aliases = versions.reduce((obj, ver) => {
     const { major, minor, patch, tag } = splitVersion(ver.version)
     const versionName = major !== '0' ? `v${major}` : `v${major}.${minor}`
-    const codename = ver.lts ? ver.lts.toLowerCase() : versionName
+    const codename = ver.lts ? ver.lts.toLowerCase() : null
     const version = tag !== '' ? `${major}.${minor}.${patch}-${tag}` : `${major}.${minor}.${patch}`
     const s = schedule[versionName]
 

test/index.js

@@ -177,4 +177,9 @@ suite('nv', () => {
     assert.strictEqual(versions[0].major, 0)
     assert.strictEqual(versions[0].isLts, false)
   })
+
+  test('codename null on non-lts', async () => {
+    const versions = await nv('0.8.0', { now })
+    assert.strictEqual(versions[0].codename, null)
+  })
 })