From 5ef6e1b043453684ffd719f800d68d65cd97aa3f Mon Sep 17 00:00:00 2001
From: Yasuaki Uechi <y@uechi.io>
Date: Thu, 30 Aug 2018 14:43:37 +0900
Subject: [PATCH] fix: list for options

---
 src/config.ts | 1 +
 src/index.ts  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index d72ac02..5223ba2 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -22,6 +22,7 @@ export async function loadConfig() {
   } catch (err) {
     if (err.code === 'ENOENT') {
       await promisify(fs.writeFile)(CONFIG_PATH, '[]\n', 'utf-8')
+      return []
     } else {
       throw new Error(`unhandled load config err: ${err}`)
     }
diff --git a/src/index.ts b/src/index.ts
index 175b20f..e0c07a1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,7 +8,7 @@ export function addUser(user: User) {
   return new Promise(async (resolve, reject) => {
     try {
       const config = await loadConfig()
-      await writeConfig(Object.assign({}, config, user))
+      await writeConfig([...config, user])
       resolve(user)
     } catch (err) {
       reject(err)