Add TypeScript to app-frontend (#2364)

* Add TypeScript to app-frontend

Co-authored-by: Evan Song <52982404+ferothefox@users.noreply.github.com>

* Switch app-frontend to ESLint 9 & Nuxt config

* Fix ESLint issues after config change in app-frontend

---------

Co-authored-by: Evan Song <52982404+ferothefox@users.noreply.github.com>

apps/app-frontend/src/pages/Browse.vue

@@ -381,20 +381,20 @@ const sortedCategories = computed(() => {
 // identifier[0], then if it ties, identifier[1], etc
 async function sortByNameOrNumber(sortable, identifiers) {
   sortable.sort((a, b) => {
-    for (let identifier of identifiers) {
-      let aNum = parseFloat(a[identifier])
-      let bNum = parseFloat(b[identifier])
+    for (const identifier of identifiers) {
+      const aNum = parseFloat(a[identifier])
+      const bNum = parseFloat(b[identifier])
       if (isNaN(aNum) && isNaN(bNum)) {
         // Both are strings, sort alphabetically
-        let stringComp = a[identifier].localeCompare(b[identifier])
+        const stringComp = a[identifier].localeCompare(b[identifier])
         if (stringComp != 0) return stringComp
       } else if (!isNaN(aNum) && !isNaN(bNum)) {
         // Both are numbers, sort numerically
-        let numComp = aNum - bNum
+        const numComp = aNum - bNum
         if (numComp != 0) return numComp
       } else {
         // One is a number and one is a string, numbers go first
-        let numStringComp = isNaN(aNum) ? 1 : -1
+        const numStringComp = isNaN(aNum) ? 1 : -1
         if (numStringComp != 0) return numStringComp
       }
     }

apps/app-frontend/src/pages/Index.vue

@@ -47,7 +47,7 @@ const getInstances = async () => {
     return dateB - dateA
   })
 
-  let filters = []
+  const filters = []
   for (const instance of recentInstances.value) {
     if (instance.linked_data && instance.linked_data.project_id) {
       filters.push(`NOT"project_id"="${instance.linked_data.project_id}"`)

apps/app-frontend/src/pages/Settings.vue

@@ -406,14 +406,14 @@ async function purgeCache() {
           <span class="label__title size-card-header">Java settings</span>
         </h3>
       </div>
-      <template v-for="version in [21, 17, 8]">
-        <label :for="'java-' + version">
-          <span class="label__title">Java {{ version }} location</span>
+      <template v-for="javaVersion in [21, 17, 8]" :key="`java-${javaVersion}`">
+        <label :for="'java-' + javaVersion">
+          <span class="label__title">Java {{ javaVersion }} location</span>
         </label>
         <JavaSelector
-          :id="'java-selector-' + version"
-          v-model="javaVersions[version]"
-          :version="version"
+          :id="'java-selector-' + javaVersion"
+          v-model="javaVersions[javaVersion]"
+          :version="javaVersion"
           @update:model-value="updateJavaVersion"
         />
       </template>

apps/app-frontend/src/pages/instance/Logs.vue

@@ -296,7 +296,7 @@ if (logs.value.length > 1 && !props.playing) {
 
 const deleteLog = async () => {
   if (logs.value[selectedLogIndex.value] && selectedLogIndex.value !== 0) {
-    let deleteIndex = selectedLogIndex.value
+    const deleteIndex = selectedLogIndex.value
     selectedLogIndex.value = deleteIndex - 1
     await delete_logs_by_filename(
       props.instance.path,

apps/app-frontend/src/pages/instance/Mods.vue

@@ -717,7 +717,7 @@ const updateProject = async (mod) => {
   })
 }
 
-let locks = {}
+const locks = {}
 
 const toggleDisableMod = async (mod) => {
   // Use mod's id as the key for the lock. If mod doesn't have a unique id, replace `mod.id` with some unique property.
@@ -725,7 +725,7 @@ const toggleDisableMod = async (mod) => {
     locks[mod.id] = ref(null)
   }
 
-  let lock = locks[mod.id]
+  const lock = locks[mod.id]
 
   while (lock.value) {
     await lock.value

apps/app-frontend/src/pages/instance/Options.vue

@@ -880,7 +880,7 @@ const editing = ref(false)
 async function saveGvLoaderEdits() {
   editing.value = true
 
-  let editProfile = editProfileObject.value
+  const editProfile = editProfileObject.value
   editProfile.loader = loader.value
   editProfile.game_version = gameVersion.value
 

apps/app-frontend/src/pages/project/Gallery.vue

@@ -102,9 +102,9 @@ const props = defineProps({
   },
 })
 
-let expandedGalleryItem = ref(null)
-let expandedGalleryIndex = ref(0)
-let zoomedIn = ref(false)
+const expandedGalleryItem = ref(null)
+const expandedGalleryIndex = ref(0)
+const zoomedIn = ref(false)
 
 const nextImage = () => {
   expandedGalleryIndex.value++

apps/app-frontend/src/pages/project/Index.vue

@@ -232,15 +232,7 @@ import {
   GlobeIcon,
   ClipboardCopyIcon,
 } from '@modrinth/assets'
-import {
-  Categories,
-  EnvironmentIndicator,
-  Card,
-  Avatar,
-  Button,
-  Promotion,
-  NavRow,
-} from '@modrinth/ui'
+import { Categories, EnvironmentIndicator, Card, Avatar, Button, NavRow } from '@modrinth/ui'
 import { formatNumber } from '@modrinth/utils'
 import {
   BuyMeACoffeeIcon,
@@ -261,7 +253,7 @@ import { handleError } from '@/store/notifications.js'
 import { convertFileSrc } from '@tauri-apps/api/core'
 import ContextMenu from '@/components/ui/ContextMenu.vue'
 import { install as installVersion } from '@/store/install.js'
-import { get_project, get_project_many, get_team, get_version_many } from '@/helpers/cache.js'
+import { get_project, get_team, get_version_many } from '@/helpers/cache.js'
 import PromotionWrapper from '@/components/ui/PromotionWrapper.vue'
 
 dayjs.extend(relativeTime)