fix: export modal path handling

apps/app-frontend/src/components/ui/ExportModal.vue

@@ -11,15 +11,10 @@ import {
 	useVIntl,
 } from '@modrinth/ui'
 import { save } from '@tauri-apps/plugin-dialog'
-import { readDir, stat } from '@tauri-apps/plugin-fs'
-import { ref } from 'vue'
+import { ref, shallowRef } from 'vue'
 
 import { PackageIcon } from '@/assets/icons'
-import {
-	export_instance_mrpack,
-	get_full_path,
-	get_pack_export_candidates,
-} from '@/helpers/instance'
+import { export_instance_mrpack, get_pack_export_candidates } from '@/helpers/instance'
 
 const { handleError } = injectNotificationManager()
 const { formatMessage } = useVIntl()
@@ -65,30 +60,24 @@ const exportModal = ref(null)
 const nameInput = ref(props.instance.name)
 const exportDescription = ref('')
 const versionInput = ref('1.0.0')
-const files = ref([])
-const selectedFilePaths = ref([])
+const files = shallowRef([])
+const includedFilePaths = ref([])
+const excludedFilePaths = ref([])
 const fileTreeKey = ref(0)
 const filesLoadId = ref(0)
-const instanceRoot = ref('')
-const loadedDirectories = ref(new Set())
+const directoryEntries = new Map()
+const currentDirectory = ref('')
 
 async function initFiles() {
 	const loadId = ++filesLoadId.value
-	const [filePaths, root] = await Promise.all([
-		get_pack_export_candidates(props.instance.id),
-		get_full_path(props.instance.id),
-	])
-	if (loadId !== filesLoadId.value) return
-
-	instanceRoot.value = root
-	const exportCandidates = await Promise.all(
-		filePaths.map((path) => buildExportCandidateItem(root, path)),
-	)
+	const exportCandidates = await get_pack_export_candidates(props.instance.id)
 	if (loadId !== filesLoadId.value) return
 
 	files.value = exportCandidates
-	selectedFilePaths.value = files.value
-		.filter((file) => !file.disabled && isDefaultSelectedExportCandidate(file.path))
+	directoryEntries.set('', exportCandidates)
+	currentDirectory.value = ''
+	includedFilePaths.value = files.value
+		.filter((file) => !file.disabled && file.defaultSelected)
 		.map((file) => file.path)
 }
 
@@ -107,7 +96,8 @@ const exportPack = async () => {
 		export_instance_mrpack(
 			props.instance.id,
 			outputPath,
-			selectedFilePaths.value,
+			includedFilePaths.value,
+			excludedFilePaths.value,
 			versionInput.value,
 			exportDescription.value,
 			nameInput.value,
@@ -121,115 +111,45 @@ function resetExportState() {
 	exportDescription.value = ''
 	versionInput.value = '1.0.0'
 	files.value = []
-	selectedFilePaths.value = []
+	includedFilePaths.value = []
+	excludedFilePaths.value = []
 	fileTreeKey.value += 1
-	instanceRoot.value = ''
-	loadedDirectories.value = new Set()
+	directoryEntries.clear()
+	currentDirectory.value = ''
 }
 
 async function loadExportDirectory(path) {
-	if (!path || !instanceRoot.value || loadedDirectories.value.has(path)) return
+	const normalizedPath = normalizeExportPath(path)
+	currentDirectory.value = normalizedPath
+
+	const cachedEntries = directoryEntries.get(normalizedPath)
+	if (cachedEntries) {
+		files.value = cachedEntries
+		return
+	}
 
 	const loadId = filesLoadId.value
-	loadedDirectories.value.add(path)
+	files.value = []
 
 	try {
-		const entries = await readDir(`${instanceRoot.value}/${path}`)
-		const childItems = await Promise.all(
-			entries.map((entry) => buildExportDirectoryChildItem(instanceRoot.value, path, entry)),
+		const childItems = await get_pack_export_candidates(
+			props.instance.id,
+			normalizedPath || undefined,
 		)
 		if (loadId !== filesLoadId.value) return
 
-		appendExportItems(childItems)
-	} catch {
-		loadedDirectories.value.delete(path)
-	}
-}
-
-async function buildExportCandidateItem(instanceRoot, path) {
-	try {
-		const entries = await readDir(`${instanceRoot}/${path}`)
-		const metadata = await getExportCandidateMetadata(instanceRoot, path)
-		return {
-			path,
-			type: 'directory',
-			disabled: isExportCandidateDisabled(path),
-			modified: metadata.modified,
-			count: entries.length,
+		directoryEntries.set(normalizedPath, childItems)
+		if (currentDirectory.value === normalizedPath) {
+			files.value = childItems
 		}
 	} catch {
-		return buildExportFileItem(instanceRoot, path)
-	}
-}
-
-async function buildExportDirectoryChildItem(instanceRoot, parentPath, entry) {
-	const path = `${parentPath}/${entry.name}`
-	if (entry.isDirectory) {
-		const metadata = await getExportCandidateMetadata(instanceRoot, path)
-		return {
-			path,
-			type: 'directory',
-			disabled: isExportCandidateDisabled(path),
-			modified: metadata.modified,
-		}
-	}
-
-	return buildExportFileItem(instanceRoot, path)
-}
-
-async function buildExportFileItem(instanceRoot, path) {
-	const metadata = await getExportCandidateMetadata(instanceRoot, path)
-	return {
-		path,
-		type: 'file',
-		disabled: isExportCandidateDisabled(path),
-		size: metadata.size,
-		modified: metadata.modified,
-	}
-}
-
-function appendExportItems(items) {
-	const nextFiles = new Map(files.value.map((file) => [normalizeExportPath(file.path), file]))
-	for (const item of items) {
-		nextFiles.set(normalizeExportPath(item.path), item)
-	}
-	files.value = [...nextFiles.values()]
-}
-
-async function getExportCandidateMetadata(instanceRoot, path) {
-	try {
-		const metadata = await stat(`${instanceRoot}/${path}`)
-		return {
-			size: metadata.size,
-			modified: metadata.mtime ? Math.floor(metadata.mtime.getTime() / 1000) : undefined,
-		}
-	} catch {
-		return {}
+		if (currentDirectory.value === normalizedPath) files.value = []
 	}
 }
 
 function normalizeExportPath(path) {
 	return path.replaceAll('\\', '/').split('/').filter(Boolean).join('/')
 }
-
-function isDefaultSelectedExportCandidate(path) {
-	return (
-		path.startsWith('mods') ||
-		path.startsWith('datapacks') ||
-		path.startsWith('resourcepacks') ||
-		path.startsWith('shaderpacks') ||
-		path.startsWith('config')
-	)
-}
-
-function isExportCandidateDisabled(path) {
-	return (
-		path === 'profile.json' ||
-		path.startsWith('modrinth_logs') ||
-		path.startsWith('.fabric') ||
-		path.startsWith('__MACOSX')
-	)
-}
 </script>
 
 <template>
@@ -278,9 +198,11 @@ function isExportCandidateDisabled(path) {
 			</div>
 			<FileTreeSelect
 				:key="fileTreeKey"
-				v-model="selectedFilePaths"
+				v-model="includedFilePaths"
+				v-model:excluded-paths="excludedFilePaths"
 				class="min-w-0"
 				:items="files"
+				lazy
 				@navigate="loadExportDirectory"
 			/>
 		</div>

apps/app-frontend/src/components/ui/shared-instances/SharedInstancePublishModal.vue

@@ -28,7 +28,8 @@
 				<div class="flex min-w-0 flex-col gap-3 pt-4">
 					<div ref="configFileTreeContainer" class="max-h-[292px] overflow-y-auto rounded-[20px]">
 						<FileTreeSelect
-							v-model="selectedConfigPaths"
+							v-model="includedConfigPaths"
+							v-model:excluded-paths="excludedConfigPaths"
 							:items="configFileItems"
 							:show-size="false"
 							:show-modified="false"
@@ -79,11 +80,20 @@ const publishReviewModal = ref<InstanceType<typeof ContentDiffModal>>()
 const configFileTreeContainer = ref<HTMLElement>()
 const publishDiffs = ref<ContentDiffItem[]>([])
 const configFilePaths = ref<string[]>([])
-const selectedConfigPaths = ref<string[]>([])
+const includedConfigPaths = ref<string[]>([])
+const excludedConfigPaths = ref<string[]>([])
 const state = ref<SharedInstancePublishState>('idle')
 const configFileItems = computed<FileTreeSelectItem[]>(() =>
 	configFilePaths.value.map((path) => ({ path, type: 'file' })),
 )
+const selectedConfigPaths = computed(() => {
+	const includedPaths = new Set(includedConfigPaths.value)
+	const excludedPaths = new Set(excludedConfigPaths.value)
+
+	return configFilePaths.value.filter((path) =>
+		isConfigPathSelected(path, includedPaths, excludedPaths),
+	)
+})
 
 async function show(e?: MouseEvent) {
 	if (state.value !== 'idle') return
@@ -108,7 +118,8 @@ async function show(e?: MouseEvent) {
 			disabled: diff.disabled,
 		}))
 		configFilePaths.value = preview.configFiles
-		selectedConfigPaths.value = []
+		includedConfigPaths.value = []
+		excludedConfigPaths.value = []
 		if (!publishReviewModal.value) return
 
 		publishReviewModal.value.show(e)
@@ -134,6 +145,23 @@ async function publishChanges() {
 	}
 }
 
+function isConfigPathSelected(
+	path: string,
+	includedPaths: Set<string>,
+	excludedPaths: Set<string>,
+) {
+	let selected = false
+	let prefix = ''
+
+	for (const segment of path.split('/').filter(Boolean)) {
+		prefix = prefix ? `${prefix}/${segment}` : segment
+		if (includedPaths.has(prefix)) selected = true
+		if (excludedPaths.has(prefix)) selected = false
+	}
+
+	return selected
+}
+
 function scrollConfigFileTreeToTop() {
 	if (configFileTreeContainer.value) {
 		configFileTreeContainer.value.scrollTop = 0

apps/app-frontend/src/helpers/instance.ts

@@ -282,12 +282,13 @@ export async function update_repair_modrinth(instanceId: string): Promise<Instal
 }
 
 // Export an instance to .mrpack
-// included_overrides is an array of paths to override folders to include (ie: 'mods', 'resource_packs')
+// included_overrides and excluded_overrides are inherited path rules for files in the export.
 // Version id is optional (ie: 1.1.5)
 export async function export_instance_mrpack(
 	instanceId: string,
 	exportLocation: string,
 	includedOverrides: string[],
+	excludedOverrides: string[],
 	versionId?: string,
 	description?: string,
 	name?: string,
@@ -296,22 +297,33 @@ export async function export_instance_mrpack(
 		instanceId,
 		exportLocation,
 		includedOverrides,
+		excludedOverrides,
 		versionId,
 		description,
 		name,
 	})
 }
 
-// Given a folder path, populate an array of all the subfolders
-// Intended to be used for finding potential override folders
-// profile
-// -- mods
-// -- resourcepacks
-// -- file1
-// => [mods, resourcepacks]
-// allows selection for 'included_overrides' in export_instance_mrpack
-export async function get_pack_export_candidates(instanceId: string): Promise<string[]> {
-	return await invoke('plugin:instance|instance_get_pack_export_candidates', { instanceId })
+export type PackExportCandidate = {
+	path: string
+	type: 'directory' | 'file'
+	size?: number
+	modified?: number
+	count?: number
+	disabled: boolean
+	defaultSelected: boolean
+}
+
+// Given a folder path, populate an array of exportable direct children.
+// Allows selection for 'included_overrides' in export_instance_mrpack.
+export async function get_pack_export_candidates(
+	instanceId: string,
+	parent?: string,
+): Promise<PackExportCandidate[]> {
+	return await invoke('plugin:instance|instance_get_pack_export_candidates', {
+		instanceId,
+		parent: parent ?? null,
+	})
 }
 
 // Run Minecraft using an instance

apps/app/src/api/instance.rs

@@ -729,6 +729,7 @@ pub async fn instance_export_mrpack(
     instance_id: &str,
     export_location: PathBuf,
     included_overrides: Vec<String>,
+    excluded_overrides: Vec<String>,
     version_id: Option<String>,
     description: Option<String>,
     name: Option<String>,
@@ -737,6 +738,7 @@ pub async fn instance_export_mrpack(
         instance_id,
         export_location,
         included_overrides,
+        excluded_overrides,
         version_id,
         description,
         name,
@@ -748,8 +750,13 @@ pub async fn instance_export_mrpack(
 #[tauri::command]
 pub async fn instance_get_pack_export_candidates(
     instance_id: &str,
-) -> Result<Vec<SafeRelativeUtf8UnixPathBuf>> {
-    Ok(theseus::instance::get_pack_export_candidates(instance_id).await?)
+    parent: Option<SafeRelativeUtf8UnixPathBuf>,
+) -> Result<Vec<theseus::instance::PackExportCandidate>> {
+    Ok(theseus::instance::get_pack_export_candidates_for_parent(
+        instance_id,
+        parent,
+    )
+    .await?)
 }
 
 #[tauri::command]

packages/app-lib/src/api/instance.rs

@@ -19,7 +19,8 @@ pub use self::content::{
     list_content_sets, sync_content_files,
 };
 pub use self::export_mrpack::{
-    create_mrpack_json, export_mrpack, get_pack_export_candidates,
+    PackExportCandidate, create_mrpack_json, export_mrpack,
+    get_pack_export_candidates, get_pack_export_candidates_for_parent,
 };
 pub use self::get::{get, get_many, list};
 pub use self::icon::edit_icon;