Fix merging of default socials

Author: botder

packages/starlight-theme-mtasa/index.ts

@@ -1,7 +1,14 @@
-import type { StarlightPlugin } from '@astrojs/starlight/types';
+import type { StarlightPlugin, StarlightUserConfig } from '@astrojs/starlight/types';
 
 const packageName = '@multitheftauto/starlight-theme-mtasa';
 
+type SocialLinksSchema = NonNullable<StarlightUserConfig['social']>;
+
+function mergeWithSocialDefaults(social: SocialLinksSchema, defaults: SocialLinksSchema): SocialLinksSchema {
+    const filtered = defaults.filter(d => !social.some(s => s.label === d.label));
+    return [...social, ...filtered];
+}
+
 export default function mtasaStarlightThemePlugin(): StarlightPlugin {
     return {
         name: 'starlight-theme-mtasa',
@@ -18,14 +25,13 @@ export default function mtasaStarlightThemePlugin(): StarlightPlugin {
                         Header: `${packageName}/Header.astro`,
                         ...config.components ?? {},
                     },
-                    social: [
+                    social: mergeWithSocialDefaults(config.social ?? [], [
                         { icon: 'github',   label: 'GitHub',       href: 'https://github.com/multitheftauto/' },
                         { icon: 'discord',  label: 'Discord',      href: 'https://discord.com/invite/mtasa' },
                         { icon: 'youtube',  label: 'YouTube',      href: 'https://youtube.com/user/mtaqa' },
                         { icon: 'twitch',   label: 'Twitch',       href: 'https://twitch.tv/mtaqa' },
                         { icon: 'x.com',    label: 'X (Twitter)',  href: 'https://x.com/mtaqa' },
-                        ...config.social ?? [],
-                    ],
+                    ]),
                 })
             }
         },

packages/starlight-theme-mtasa/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@multitheftauto/starlight-theme-mtasa",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "description": "Starlight theme for Multi Theft Auto",
   "type": "module",
   "repository": {