From 76d24be5c04db9b9f1267a6df5cd29d528a929bf Mon Sep 17 00:00:00 2001
From: Lachlan Miller <lachlan.miller.1990@outlook.com>
Date: Sat, 16 May 2020 10:50:45 +1000
Subject: [PATCH 1/2] types: fix typing for options.attachTo

---
 src/mount.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/mount.ts b/src/mount.ts
index 3e4016943..b59e72604 100644
--- a/src/mount.ts
+++ b/src/mount.ts
@@ -86,9 +86,12 @@ export function mount(
   el.id = MOUNT_ELEMENT_ID
 
   if (options?.attachTo) {
-    const to = isString(options.attachTo)
-      ? document.querySelector(options.attachTo)
-      : options.attachTo
+    let to: Element
+    if (typeof options.attachTo === 'string') {
+      to = document.querySelector(options.attachTo)
+    } else {
+      to = options.attachTo
+    }
 
     if (!to) {
       throw new Error(

From 8e36df46d2e3b0664aea8a1c9cfe220c0c16cceb Mon Sep 17 00:00:00 2001
From: Lachlan Miller <lachlan.miller.1990@outlook.com>
Date: Sat, 16 May 2020 10:58:59 +1000
Subject: [PATCH 2/2] refactor: move check inside if statement

---
 src/mount.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/mount.ts b/src/mount.ts
index b59e72604..13348217e 100644
--- a/src/mount.ts
+++ b/src/mount.ts
@@ -89,15 +89,15 @@ export function mount(
     let to: Element
     if (typeof options.attachTo === 'string') {
       to = document.querySelector(options.attachTo)
+      if (!to) {
+        throw new Error(
+          `Unable to find the element matching the selector ${options.attachTo} given as the \`attachTo\` option`
+        )
+      }
     } else {
       to = options.attachTo
     }
 
-    if (!to) {
-      throw new Error(
-        `Unable to find the element matching the selector ${options.attachTo} given as the \`attachTo\` option`
-      )
-    }
     to.appendChild(el)
   }