Remove lodash and use just-merge instead

Author: silentworks

Diff for: .changeset/chilly-parrots-prove.md

@@ -0,0 +1,5 @@
+---
+'@supabase/auth-ui-react': patch
+---
+
+Remove lodash and use just-merge instead

Diff for: packages/react/package.json

@@ -35,7 +35,7 @@
   "dependencies": {
     "@stitches/core": "^1.2.8",
     "@stitches/react": "^1.2.8",
-    "lodash": "^4.17.20",
+    "just-merge": "^3.1.1",
     "prop-types": "^15.7.2"
   },
   "devDependencies": {

Diff for: packages/react/src/components/Auth/Auth.tsx

@@ -1,5 +1,5 @@
 import { createStitches, createTheme } from '@stitches/core'
-import { merge } from 'lodash'
+import merge from 'just-merge'
 import React, { useEffect, useState } from 'react'
 import { Auth as AuthProps, Localization, I18nVariables } from '../../types'
 import { VIEWS } from './../../constants'
@@ -66,7 +66,7 @@ function Auth({
      */
     createStitches({
       theme: merge(
-        appearance?.theme?.default,
+        appearance?.theme?.default ?? {},
         appearance?.variables?.default ?? {}
       ),
     })