refactor: implement download modal provider

apps/frontend/src/components/ui/ProjectDownloadModal/DownloadDependencies.vue

@@ -23,262 +23,35 @@
 </template>
 
 <script setup lang="ts">
-import type { Labrinth } from '@modrinth/api-client'
-import { FileIcon, InfoIcon } from '@modrinth/assets'
-import {
-	type CdnDownloadReason,
-	defineMessages,
-	fileTypeMessages,
-	injectModrinthClient,
-	useVIntl,
-} from '@modrinth/ui'
-import type { DisplayProjectType } from '@modrinth/utils'
-import { useQuery } from '@tanstack/vue-query'
-import { type Component, computed, watch } from 'vue'
+import { InfoIcon } from '@modrinth/assets'
+import { defineMessages, useVIntl } from '@modrinth/ui'
+import { computed } from 'vue'
 
 import DownloadDependency from './DownloadDependency.vue'
+import { injectDownloadModalProvider } from './download-modal-provider'
 
 defineOptions({
 	name: 'DownloadDependencies',
 })
 
-type DownloadModalProject = Omit<Labrinth.Projects.v2.Project, 'project_type'> & {
-	project_type: DisplayProjectType
-	actualProjectType: Labrinth.Projects.v2.ProjectType
-}
-
-type ResolvedContent = Labrinth.Content.v3.ResolvedContent | Labrinth.Content.v3.SkippedContent
-
-interface DownloadDependencyRow {
-	key: string
-	name: string
-	icon?: string
-	fallbackIcon?: Component
-	projectHref?: string
-	downloadHref?: string
-	filename?: string
-	fileSize?: number
-	typeLabel: string
-	unavailableTooltip: string
-	dependencies: DownloadDependencyRow[]
-}
-
-interface DownloadableDependencyFile {
-	href: string
-	filename: string
-	name: string
-}
-
 const props = withDefaults(
 	defineProps<{
-		dependencies?: DownloadDependencyRow[] | null
-		project?: DownloadModalProject | null
-		selectedVersion?: Labrinth.Versions.v3.Version | null
-		currentGameVersion?: string | null
-		currentPlatform?: string | null
-		downloadReason?: CdnDownloadReason
-		additionalFiles?: Labrinth.Versions.v3.VersionFile[]
 		showTitle?: boolean
 	}>(),
 	{
-		dependencies: null,
-		project: null,
-		selectedVersion: null,
-		currentGameVersion: null,
-		currentPlatform: null,
-		downloadReason: 'standalone',
-		additionalFiles: () => [],
 		showTitle: true,
 	},
 )
 
 const emit = defineEmits<{
 	download: []
-	'update:downloadable-files': [files: DownloadableDependencyFile[]]
-	'update:downloadable-files-loaded': [loaded: boolean]
 }>()
-const client = injectModrinthClient()
-const { createProjectDownloadUrl } = useCdnDownloadContext()
 const { formatMessage } = useVIntl()
-
-const shouldResolveDependencies = computed(
-	() => !props.dependencies && !!props.project && !!props.selectedVersion,
-)
-
-const dependencyResolutionPreferences = computed<Labrinth.Content.v3.ResolutionPreferences>(() => ({
-	game_versions: props.selectedVersion?.game_versions || [],
-	loaders: props.currentPlatform ? [props.currentPlatform] : props.selectedVersion?.loaders || [],
-}))
-
-const { data: dependencyResolution, isFetching: dependencyResolutionFetching } = useQuery({
-	queryKey: computed(() => [
-		'project-download-modal',
-		'content-resolve',
-		props.project?.id,
-		props.selectedVersion?.id,
-		props.project?.project_type,
-		dependencyResolutionPreferences.value,
-	]),
-	queryFn: () =>
-		client.labrinth.content_v3.resolve({
-			project_id: props.project!.id,
-			version_id: props.selectedVersion!.id,
-			content_type: resolveContentType(props.project!.project_type),
-			selected: dependencyResolutionPreferences.value,
-			target: dependencyResolutionPreferences.value,
-		}),
-	enabled: shouldResolveDependencies,
-})
-
-const visibleResolvedDependencies = computed<ResolvedContent[]>(() => {
-	return [
-		...(dependencyResolution.value?.dependencies || []),
-		...(dependencyResolution.value?.skipped || []),
-	].filter(shouldShowDependency)
-})
-
-const dependencyVersionIds = computed<string[]>(() => {
-	return [
-		...new Set(
-			visibleResolvedDependencies.value
-				.filter((dependency) => !('reason' in dependency))
-				.map((dependency) => dependency.version_id)
-				.filter((versionId): versionId is string => !!versionId),
-		),
-	]
-})
-
-const { data: dependencyVersions, isFetching: dependencyVersionsFetching } = useQuery({
-	queryKey: computed(() => [
-		'project-download-modal',
-		'resolved-versions',
-		dependencyVersionIds.value,
-	]),
-	queryFn: () => client.labrinth.versions_v3.getVersions(dependencyVersionIds.value),
-	enabled: computed(() => shouldResolveDependencies.value && dependencyVersionIds.value.length > 0),
-})
-
-const dependencyVersionById = computed(() => {
-	const map = new Map<string, Labrinth.Versions.v3.Version>()
-	for (const version of dependencyVersions.value || []) {
-		if (!version) continue
-		map.set(version.id, version)
-	}
-	return map
-})
-
-const dependencyProjectIds = computed<string[]>(() => {
-	return [
-		...new Set(
-			visibleResolvedDependencies.value
-				.map((dependency) => dependency.project_id)
-				.filter((projectId): projectId is string => !!projectId),
-		),
-	]
-})
-
-const { data: dependencyProjects, isFetching: dependencyProjectsFetching } = useQuery({
-	queryKey: computed(() => [
-		'project-download-modal',
-		'resolved-projects',
-		dependencyProjectIds.value,
-	]),
-	queryFn: () => client.labrinth.projects_v2.getMultiple(dependencyProjectIds.value),
-	enabled: computed(() => shouldResolveDependencies.value && dependencyProjectIds.value.length > 0),
-})
-
-const dependencyProjectById = computed(() => {
-	const map = new Map<string, Labrinth.Projects.v2.Project>()
-	for (const project of dependencyProjects.value || []) {
-		map.set(project.id, project)
-	}
-	return map
-})
-
-const dependenciesByParentVersionId = computed(() => {
-	const map = new Map<string, ResolvedContent[]>()
-
-	for (const dependency of visibleResolvedDependencies.value) {
-		if (!dependency.dependent_on_version_id) continue
-
-		const dependencies = map.get(dependency.dependent_on_version_id) || []
-		dependencies.push(dependency)
-		map.set(dependency.dependent_on_version_id, dependencies)
-	}
-
-	return map
-})
-
-const dependenciesLoaded = computed(() => {
-	if (!shouldResolveDependencies.value) return false
-	if (dependencyResolutionFetching.value) return false
-	if (!dependencyResolution.value) return false
-	if (
-		dependencyResolution.value.primary.version_id &&
-		dependencyResolution.value.primary.version_id !== props.selectedVersion?.id
-	) {
-		return false
-	}
-	if (
-		dependencyVersionsFetching.value ||
-		!dependencyVersionIds.value.every((versionId) => dependencyVersionById.value.has(versionId))
-	) {
-		return false
-	}
-	if (
-		dependencyProjectsFetching.value ||
-		!dependencyProjectIds.value.every((projectId) => dependencyProjectById.value.has(projectId))
-	) {
-		return false
-	}
-	return true
-})
-
-const resolvedDependencyRows = computed<DownloadDependencyRow[]>(() => {
-	if (!dependenciesLoaded.value) return []
-
-	const primaryVersionId =
-		dependencyResolution.value?.primary.version_id || props.selectedVersion?.id
-	if (!primaryVersionId) return []
-
-	const dependencies = dependenciesByParentVersionId.value.get(primaryVersionId) || []
-
-	return dependencies.flatMap((dependency) => {
-		const row = createDependencyRow(dependency)
-		return row ? [row] : []
-	})
-})
-
-const dependencyRows = computed<DownloadDependencyRow[]>(
-	() => props.dependencies || resolvedDependencyRows.value,
-)
-
-const visibleDependencyRows = computed<DownloadDependencyRow[]>(() =>
-	dedupeDependencyRows(dependencyRows.value),
-)
-
-const duplicateDependencyRowsHidden = computed(() =>
-	hasDuplicateDependencyRows(dependencyRows.value),
-)
-
-const additionalFileRows = computed<DownloadDependencyRow[]>(() =>
-	props.additionalFiles.map((file) => ({
-		key: `additional-file-${additionalFileKey(file)}`,
-		name: file.filename,
-		fallbackIcon: FileIcon,
-		downloadHref: getDownloadUrl(file.url),
-		filename: file.filename,
-		fileSize: file.size,
-		typeLabel: fileTypeLabel(file.file_type),
-		unavailableTooltip: formatMessage(messages.unavailableFile),
-		dependencies: [],
-	})),
-)
-
-const downloadRows = computed<DownloadDependencyRow[]>(() => [
-	...visibleDependencyRows.value,
-	...additionalFileRows.value,
-])
+const {
+	visibleDependencyRows,
+	duplicateDependencyRowsHidden,
+	downloadRows,
+} = injectDownloadModalProvider()
 
 const sectionTitle = computed(() =>
 	formatMessage(
@@ -288,181 +61,6 @@ const sectionTitle = computed(() =>
 	),
 )
 
-const downloadableDependencyFiles = computed<DownloadableDependencyFile[]>(() =>
-	collectDownloadableDependencyFiles(visibleDependencyRows.value),
-)
-
-const downloadableDependencyFilesLoaded = computed(() => {
-	if (props.dependencies) return true
-	if (!shouldResolveDependencies.value) return false
-	return dependenciesLoaded.value
-})
-
-watch(
-	downloadableDependencyFiles,
-	(files) => {
-		emit('update:downloadable-files', files)
-	},
-	{ immediate: true },
-)
-
-watch(
-	downloadableDependencyFilesLoaded,
-	(loaded) => {
-		emit('update:downloadable-files-loaded', loaded)
-	},
-	{ immediate: true },
-)
-
-function primaryFileForVersion(version?: Labrinth.Versions.v3.Version) {
-	return version?.files?.find((file) => file.primary) || version?.files?.[0]
-}
-
-function shouldShowDependency(dependency: ResolvedContent) {
-	return !(
-		'reason' in dependency && ['duplicate_project', 'quilt_fabric_api'].includes(dependency.reason)
-	)
-}
-
-function createDependencyRow(dependency: ResolvedContent): DownloadDependencyRow | null {
-	const versionId = dependency.version_id ?? undefined
-	const version = versionId ? dependencyVersionById.value.get(versionId) : undefined
-	const project = dependencyProjectById.value.get(dependency.project_id)
-	if (!project) return null
-
-	const primaryFile = primaryFileForVersion(version)
-	const unavailableTooltip =
-		'reason' in dependency && dependency.reason
-			? skippedReasonLabel(dependency.reason)
-			: formatMessage(messages.unavailableDependency)
-	const name = project.title
-
-	return {
-		key: `${dependency.project_id}-${versionId ?? 'unresolved'}-${
-			'reason' in dependency ? dependency.reason : 'resolved'
-		}`,
-		name,
-		icon: project.icon_url ?? undefined,
-		projectHref: `/${project.project_type}/${project.slug || project.id}`,
-		downloadHref:
-			'reason' in dependency || !primaryFile ? undefined : getDownloadUrl(primaryFile.url),
-		filename: primaryFile?.filename,
-		fileSize: primaryFile?.size,
-		typeLabel: 'Required',
-		unavailableTooltip,
-		dependencies: (versionId && dependenciesByParentVersionId.value.get(versionId)
-			? dependenciesByParentVersionId.value.get(versionId)!
-			: []
-		).flatMap((subDependency) => {
-			const row = createDependencyRow(subDependency)
-			return row ? [row] : []
-		}),
-	}
-}
-
-function skippedReasonLabel(reason: Labrinth.Content.v3.SkippedContent['reason']) {
-	return (
-		{
-			already_installed: formatMessage(messages.alreadyInstalledDependency),
-			duplicate_project: formatMessage(messages.duplicateDependency),
-			conflicting_dependency: formatMessage(messages.conflictingDependency),
-			no_compatible_version: formatMessage(messages.noCompatibleDependency),
-			missing_version: formatMessage(messages.missingDependencyVersion),
-			quilt_fabric_api: formatMessage(messages.quiltFabricApiDependency),
-		}[reason] || formatMessage(messages.unavailableDependency)
-	)
-}
-
-function resolveContentType(projectType: DisplayProjectType): Labrinth.Content.v3.ContentType {
-	return ['mod', 'plugin', 'datapack', 'resourcepack', 'shader', 'modpack'].includes(projectType)
-		? (projectType as Labrinth.Content.v3.ContentType)
-		: 'mod'
-}
-
-function getDownloadUrl(url: string) {
-	return createProjectDownloadUrl(url, {
-		reason: props.downloadReason,
-		gameVersion: props.currentGameVersion ?? undefined,
-		loader: props.currentPlatform ?? undefined,
-	})
-}
-
-function fileTypeLabel(type?: Labrinth.Versions.v3.FileType | null) {
-	return formatMessage(fileTypeMessages[type ?? 'unknown'] ?? fileTypeMessages.unknown)
-}
-
-function additionalFileKey(file: Labrinth.Versions.v3.VersionFile) {
-	return file.hashes?.sha1 ?? file.filename
-}
-
-function dedupeDependencyRows(
-	rows: DownloadDependencyRow[],
-	seenDependencies = new Set<string>(),
-): DownloadDependencyRow[] {
-	return rows.flatMap((row) => {
-		const identity = dependencyRowIdentity(row)
-		if (seenDependencies.has(identity)) return []
-
-		seenDependencies.add(identity)
-
-		return [
-			{
-				...row,
-				dependencies: dedupeDependencyRows(row.dependencies, seenDependencies),
-			},
-		]
-	})
-}
-
-function dependencyRowIdentity(row: DownloadDependencyRow) {
-	return row.projectHref ?? row.downloadHref ?? row.key
-}
-
-function hasDuplicateDependencyRows(
-	rows: DownloadDependencyRow[],
-	seenDependencies = new Set<string>(),
-): boolean {
-	for (const row of rows) {
-		const rowId = dependencyRowIdentity(row)
-		if (seenDependencies.has(rowId)) return true
-		seenDependencies.add(rowId)
-		if (hasDuplicateDependencyRows(row.dependencies, seenDependencies)) return true
-	}
-
-	return false
-}
-
-function collectDownloadableDependencyFiles(
-	rows: DownloadDependencyRow[],
-	seenHrefs = new Set<string>(),
-): DownloadableDependencyFile[] {
-	const files: DownloadableDependencyFile[] = []
-
-	for (const row of rows) {
-		if (row.downloadHref && !seenHrefs.has(row.downloadHref)) {
-			seenHrefs.add(row.downloadHref)
-			files.push({
-				href: row.downloadHref,
-				filename: row.filename || filenameFromUrl(row.downloadHref),
-				name: row.name,
-			})
-		}
-
-		files.push(...collectDownloadableDependencyFiles(row.dependencies, seenHrefs))
-	}
-
-	return files
-}
-
-function filenameFromUrl(url: string) {
-	try {
-		const filename = new URL(url).pathname.split('/').pop()
-		return filename ? decodeURIComponent(filename) : 'dependency.jar'
-	} catch {
-		return 'dependency.jar'
-	}
-}
-
 const messages = defineMessages({
 	dependenciesTitle: {
 		id: 'project.download.dependencies-title',
@@ -476,37 +74,5 @@ const messages = defineMessages({
 		id: 'project.download.additional-files-title',
 		defaultMessage: 'Additional files',
 	},
-	alreadyInstalledDependency: {
-		id: 'project.download.dependency-already-installed',
-		defaultMessage: 'This dependency is already installed',
-	},
-	conflictingDependency: {
-		id: 'project.download.dependency-conflicting',
-		defaultMessage: 'This dependency conflicts with another dependency',
-	},
-	duplicateDependency: {
-		id: 'project.download.dependency-duplicate',
-		defaultMessage: 'This dependency is already included',
-	},
-	missingDependencyVersion: {
-		id: 'project.download.dependency-missing-version',
-		defaultMessage: 'This dependency version is unavailable',
-	},
-	noCompatibleDependency: {
-		id: 'project.download.dependency-no-compatible-version',
-		defaultMessage: 'No compatible version is available for this dependency',
-	},
-	quiltFabricApiDependency: {
-		id: 'project.download.dependency-quilt-fabric-api',
-		defaultMessage: 'Fabric API is skipped for Quilt',
-	},
-	unavailableDependency: {
-		id: 'project.download.dependency-unavailable',
-		defaultMessage: 'This dependency cannot be downloaded',
-	},
-	unavailableFile: {
-		id: 'project.download.file-unavailable',
-		defaultMessage: 'This file cannot be downloaded',
-	},
 })
 </script>

apps/frontend/src/components/ui/ProjectDownloadModal/download-modal-provider.ts

@@ -0,0 +1,571 @@
+import type { AbstractModrinthClient, Labrinth } from '@modrinth/api-client'
+import { FileIcon } from '@modrinth/assets'
+import {
+	type CdnDownloadReason,
+	createContext,
+	defineMessages,
+	fileTypeMessages,
+	injectModrinthClient,
+	useVIntl,
+} from '@modrinth/ui'
+import type { DisplayProjectType } from '@modrinth/utils'
+import { useQuery, useQueryClient } from '@tanstack/vue-query'
+import { type Component, computed, type ComputedRef } from 'vue'
+
+import { STALE_TIME } from '~/composables/queries/project'
+
+type DownloadModalProject = Omit<Labrinth.Projects.v2.Project, 'project_type'> & {
+	project_type: DisplayProjectType
+	actualProjectType: Labrinth.Projects.v2.ProjectType
+}
+
+type ResolvedContent = Labrinth.Content.v3.ResolvedContent | Labrinth.Content.v3.SkippedContent
+
+export interface DownloadDependencyRow {
+	key: string
+	name: string
+	icon?: string
+	fallbackIcon?: Component
+	projectHref?: string
+	downloadHref?: string
+	filename?: string
+	fileSize?: number
+	typeLabel: string
+	unavailableTooltip: string
+	dependencies: DownloadDependencyRow[]
+}
+
+export interface DownloadableDependencyFile {
+	href: string
+	filename: string
+	name: string
+}
+
+export interface ProjectDownloadSelection {
+	currentGameVersion: string | null
+	currentPlatform: string | null
+	selectedVersion: Labrinth.Versions.v3.Version | null
+	selectedPrimaryFile: Labrinth.Versions.v3.VersionFile | null
+}
+
+interface DownloadModalProviderOptions {
+	project: ComputedRef<DownloadModalProject | null>
+	selectedVersion: ComputedRef<Labrinth.Versions.v3.Version | null>
+	currentGameVersion: ComputedRef<string | null>
+	currentPlatform: ComputedRef<string | null>
+	downloadReason: ComputedRef<CdnDownloadReason>
+	additionalFiles: ComputedRef<Labrinth.Versions.v3.VersionFile[]>
+}
+
+export interface DownloadModalProvider {
+	visibleDependencyRows: ComputedRef<DownloadDependencyRow[]>
+	duplicateDependencyRowsHidden: ComputedRef<boolean>
+	downloadRows: ComputedRef<DownloadDependencyRow[]>
+	downloadableDependencyFiles: ComputedRef<DownloadableDependencyFile[]>
+	downloadableDependencyFilesLoaded: ComputedRef<boolean>
+	preloadDependenciesForSelection: (selection: ProjectDownloadSelection) => Promise<void>
+}
+
+export const [injectDownloadModalProvider, provideDownloadModalContext] =
+	createContext<DownloadModalProvider>('DownloadModal')
+
+export function provideDownloadModalProvider(
+	options: DownloadModalProviderOptions,
+): DownloadModalProvider {
+	const client = injectModrinthClient()
+	const queryClient = useQueryClient()
+	const { createProjectDownloadUrl } = useCdnDownloadContext()
+	const { formatMessage } = useVIntl()
+
+	const shouldResolveDependencies = computed(
+		() => !!options.project.value && !!options.selectedVersion.value,
+	)
+
+	const dependencyResolutionPreferences = computed(() =>
+		createResolutionPreferences(options.selectedVersion.value, options.currentPlatform.value),
+	)
+
+	const { data: dependencyResolution, isFetching: dependencyResolutionFetching } = useQuery({
+		...dependencyResolutionQueryOptions(
+			client,
+			options.project,
+			options.selectedVersion,
+			dependencyResolutionPreferences,
+		),
+		enabled: shouldResolveDependencies,
+	})
+
+	const visibleResolvedDependencies = computed<ResolvedContent[]>(() =>
+		visibleDependencies(dependencyResolution.value),
+	)
+
+	const dependencyVersionIds = computed(() =>
+		sortedUnique(
+			visibleResolvedDependencies.value
+				.filter((dependency) => !('reason' in dependency))
+				.map((dependency) => dependency.version_id)
+				.filter((versionId): versionId is string => !!versionId),
+		),
+	)
+
+	const { data: dependencyVersions, isFetching: dependencyVersionsFetching } = useQuery({
+		...dependencyVersionsQueryOptions(client, dependencyVersionIds),
+		enabled: computed(
+			() => shouldResolveDependencies.value && dependencyVersionIds.value.length > 0,
+		),
+	})
+
+	const dependencyVersionById = computed(() => {
+		const map = new Map<string, Labrinth.Versions.v3.Version>()
+		for (const version of dependencyVersions.value || []) {
+			if (!version) continue
+			map.set(version.id, version)
+		}
+		return map
+	})
+
+	const dependencyProjectIds = computed(() =>
+		sortedUnique(
+			visibleResolvedDependencies.value
+				.map((dependency) => dependency.project_id)
+				.filter((projectId): projectId is string => !!projectId),
+		),
+	)
+
+	const { data: dependencyProjects, isFetching: dependencyProjectsFetching } = useQuery({
+		...dependencyProjectsQueryOptions(client, dependencyProjectIds),
+		enabled: computed(
+			() => shouldResolveDependencies.value && dependencyProjectIds.value.length > 0,
+		),
+	})
+
+	const dependencyProjectById = computed(() => {
+		const map = new Map<string, Labrinth.Projects.v2.Project>()
+		for (const project of dependencyProjects.value || []) {
+			map.set(project.id, project)
+		}
+		return map
+	})
+
+	const dependenciesByParentVersionId = computed(() => {
+		const map = new Map<string, ResolvedContent[]>()
+
+		for (const dependency of visibleResolvedDependencies.value) {
+			if (!dependency.dependent_on_version_id) continue
+
+			const dependencies = map.get(dependency.dependent_on_version_id) || []
+			dependencies.push(dependency)
+			map.set(dependency.dependent_on_version_id, dependencies)
+		}
+
+		return map
+	})
+
+	const dependenciesLoaded = computed(() => {
+		if (!shouldResolveDependencies.value) return false
+		if (dependencyResolutionFetching.value) return false
+		if (!dependencyResolution.value) return false
+		if (
+			dependencyResolution.value.primary.version_id &&
+			dependencyResolution.value.primary.version_id !== options.selectedVersion.value?.id
+		) {
+			return false
+		}
+		if (
+			dependencyVersionsFetching.value ||
+			!dependencyVersionIds.value.every((versionId) => dependencyVersionById.value.has(versionId))
+		) {
+			return false
+		}
+		if (
+			dependencyProjectsFetching.value ||
+			!dependencyProjectIds.value.every((projectId) => dependencyProjectById.value.has(projectId))
+		) {
+			return false
+		}
+		return true
+	})
+
+	const resolvedDependencyRows = computed<DownloadDependencyRow[]>(() => {
+		if (!dependenciesLoaded.value) return []
+
+		const primaryVersionId =
+			dependencyResolution.value?.primary.version_id || options.selectedVersion.value?.id
+		if (!primaryVersionId) return []
+
+		const dependencies = dependenciesByParentVersionId.value.get(primaryVersionId) || []
+
+		return dependencies.flatMap((dependency) => {
+			const row = createDependencyRow(dependency)
+			return row ? [row] : []
+		})
+	})
+
+	const visibleDependencyRows = computed<DownloadDependencyRow[]>(() =>
+		dedupeDependencyRows(resolvedDependencyRows.value),
+	)
+
+	const duplicateDependencyRowsHidden = computed(() =>
+		hasDuplicateDependencyRows(resolvedDependencyRows.value),
+	)
+
+	const additionalFileRows = computed<DownloadDependencyRow[]>(() =>
+		options.additionalFiles.value.map((file) => ({
+			key: `additional-file-${additionalFileKey(file)}`,
+			name: file.filename,
+			fallbackIcon: FileIcon,
+			downloadHref: getDownloadUrl(file.url),
+			filename: file.filename,
+			fileSize: file.size,
+			typeLabel: fileTypeLabel(file.file_type),
+			unavailableTooltip: formatMessage(messages.unavailableFile),
+			dependencies: [],
+		})),
+	)
+
+	const downloadRows = computed<DownloadDependencyRow[]>(() => [
+		...visibleDependencyRows.value,
+		...additionalFileRows.value,
+	])
+
+	const downloadableDependencyFiles = computed<DownloadableDependencyFile[]>(() =>
+		collectDownloadableDependencyFiles(visibleDependencyRows.value),
+	)
+
+	const downloadableDependencyFilesLoaded = computed(() => {
+		if (!shouldResolveDependencies.value) return false
+		return dependenciesLoaded.value
+	})
+
+	async function preloadDependenciesForSelection(selection: ProjectDownloadSelection) {
+		if (!options.project.value || !selection.selectedVersion) return
+
+		const preferences = createResolutionPreferences(
+			selection.selectedVersion,
+			selection.currentPlatform,
+		)
+
+		const resolution = await queryClient.ensureQueryData({
+			queryKey: [
+				'project-download-modal',
+				'content-resolve',
+				options.project.value.id,
+				selection.selectedVersion.id,
+				options.project.value.project_type,
+				preferences,
+			],
+			queryFn: () =>
+				client.labrinth.content_v3.resolve({
+					project_id: options.project.value!.id,
+					version_id: selection.selectedVersion!.id,
+					content_type: resolveContentType(options.project.value!.project_type),
+					selected: preferences,
+					target: preferences,
+				}),
+			staleTime: STALE_TIME,
+		})
+		const visible = visibleDependencies(resolution)
+		const versionIds = getDependencyVersionIds(visible)
+		const projectIds = getDependencyProjectIds(visible)
+
+		await Promise.all([
+			versionIds.length > 0
+				? queryClient.ensureQueryData({
+						queryKey: ['project-download-modal', 'resolved-versions', versionIds],
+						queryFn: () => client.labrinth.versions_v3.getVersions(versionIds),
+						staleTime: STALE_TIME,
+					})
+				: Promise.resolve(),
+			projectIds.length > 0
+				? queryClient.ensureQueryData({
+						queryKey: ['project-download-modal', 'resolved-projects', projectIds],
+						queryFn: () => client.labrinth.projects_v2.getMultiple(projectIds),
+						staleTime: STALE_TIME,
+					})
+				: Promise.resolve(),
+		])
+	}
+
+	function createDependencyRow(dependency: ResolvedContent): DownloadDependencyRow | null {
+		const versionId = dependency.version_id ?? undefined
+		const version = versionId ? dependencyVersionById.value.get(versionId) : undefined
+		const project = dependencyProjectById.value.get(dependency.project_id)
+		if (!project) return null
+
+		const primaryFile = primaryFileForVersion(version)
+		const unavailableTooltip =
+			'reason' in dependency && dependency.reason
+				? skippedReasonLabel(dependency.reason)
+				: formatMessage(messages.unavailableDependency)
+		const name = project.title
+
+		return {
+			key: `${dependency.project_id}-${versionId ?? 'unresolved'}-${
+				'reason' in dependency ? dependency.reason : 'resolved'
+			}`,
+			name,
+			icon: project.icon_url ?? undefined,
+			projectHref: `/${project.project_type}/${project.slug || project.id}`,
+			downloadHref:
+				'reason' in dependency || !primaryFile ? undefined : getDownloadUrl(primaryFile.url),
+			filename: primaryFile?.filename,
+			fileSize: primaryFile?.size,
+			typeLabel: 'Required',
+			unavailableTooltip,
+			dependencies: (versionId && dependenciesByParentVersionId.value.get(versionId)
+				? dependenciesByParentVersionId.value.get(versionId)!
+				: []
+			).flatMap((subDependency) => {
+				const row = createDependencyRow(subDependency)
+				return row ? [row] : []
+			}),
+		}
+	}
+
+	function skippedReasonLabel(reason: Labrinth.Content.v3.SkippedContent['reason']) {
+		return (
+			{
+				already_installed: formatMessage(messages.alreadyInstalledDependency),
+				duplicate_project: formatMessage(messages.duplicateDependency),
+				conflicting_dependency: formatMessage(messages.conflictingDependency),
+				no_compatible_version: formatMessage(messages.noCompatibleDependency),
+				missing_version: formatMessage(messages.missingDependencyVersion),
+				quilt_fabric_api: formatMessage(messages.quiltFabricApiDependency),
+			}[reason] || formatMessage(messages.unavailableDependency)
+		)
+	}
+
+	function getDownloadUrl(url: string) {
+		return createProjectDownloadUrl(url, {
+			reason: options.downloadReason.value,
+			gameVersion: options.currentGameVersion.value ?? undefined,
+			loader: options.currentPlatform.value ?? undefined,
+		})
+	}
+
+	function fileTypeLabel(type?: Labrinth.Versions.v3.FileType | null) {
+		return formatMessage(fileTypeMessages[type ?? 'unknown'] ?? fileTypeMessages.unknown)
+	}
+
+	const provider = {
+		visibleDependencyRows,
+		duplicateDependencyRowsHidden,
+		downloadRows,
+		downloadableDependencyFiles,
+		downloadableDependencyFilesLoaded,
+		preloadDependenciesForSelection,
+	}
+
+	provideDownloadModalContext(provider)
+
+	return provider
+}
+
+function dependencyResolutionQueryOptions(
+	client: AbstractModrinthClient,
+	project: ComputedRef<DownloadModalProject | null>,
+	selectedVersion: ComputedRef<Labrinth.Versions.v3.Version | null>,
+	preferences: ComputedRef<Labrinth.Content.v3.ResolutionPreferences>,
+) {
+	return {
+		queryKey: computed(() => [
+			'project-download-modal',
+			'content-resolve',
+			project.value?.id,
+			selectedVersion.value?.id,
+			project.value?.project_type,
+			preferences.value,
+		]),
+		queryFn: () =>
+			client.labrinth.content_v3.resolve({
+				project_id: project.value!.id,
+				version_id: selectedVersion.value!.id,
+				content_type: resolveContentType(project.value!.project_type),
+				selected: preferences.value,
+				target: preferences.value,
+			}),
+		staleTime: STALE_TIME,
+	}
+}
+
+function dependencyVersionsQueryOptions(
+	client: AbstractModrinthClient,
+	versionIds: ComputedRef<string[]>,
+) {
+	return {
+		queryKey: computed(() => ['project-download-modal', 'resolved-versions', versionIds.value]),
+		queryFn: () => client.labrinth.versions_v3.getVersions(versionIds.value),
+		staleTime: STALE_TIME,
+	}
+}
+
+function dependencyProjectsQueryOptions(
+	client: AbstractModrinthClient,
+	projectIds: ComputedRef<string[]>,
+) {
+	return {
+		queryKey: computed(() => ['project-download-modal', 'resolved-projects', projectIds.value]),
+		queryFn: () => client.labrinth.projects_v2.getMultiple(projectIds.value),
+		staleTime: STALE_TIME,
+	}
+}
+
+function createResolutionPreferences(
+	version: Labrinth.Versions.v3.Version | null,
+	currentPlatform: string | null,
+): Labrinth.Content.v3.ResolutionPreferences {
+	return {
+		game_versions: version?.game_versions || [],
+		loaders: currentPlatform ? [currentPlatform] : version?.loaders || [],
+	}
+}
+
+function visibleDependencies(resolution?: Labrinth.Content.v3.ResolveContentPlan) {
+	return [...(resolution?.dependencies || []), ...(resolution?.skipped || [])].filter(
+		shouldShowDependency,
+	)
+}
+
+function getDependencyVersionIds(dependencies: ResolvedContent[]) {
+	return sortedUnique(
+		dependencies
+			.filter((dependency) => !('reason' in dependency))
+			.map((dependency) => dependency.version_id)
+			.filter((versionId): versionId is string => !!versionId),
+	)
+}
+
+function getDependencyProjectIds(dependencies: ResolvedContent[]) {
+	return sortedUnique(
+		dependencies
+			.map((dependency) => dependency.project_id)
+			.filter((projectId): projectId is string => !!projectId),
+	)
+}
+
+function primaryFileForVersion(version?: Labrinth.Versions.v3.Version) {
+	return version?.files?.find((file) => file.primary) || version?.files?.[0]
+}
+
+function shouldShowDependency(dependency: ResolvedContent) {
+	return !(
+		'reason' in dependency && ['duplicate_project', 'quilt_fabric_api'].includes(dependency.reason)
+	)
+}
+
+function resolveContentType(projectType: DisplayProjectType): Labrinth.Content.v3.ContentType {
+	return ['mod', 'plugin', 'datapack', 'resourcepack', 'shader', 'modpack'].includes(projectType)
+		? (projectType as Labrinth.Content.v3.ContentType)
+		: 'mod'
+}
+
+function additionalFileKey(file: Labrinth.Versions.v3.VersionFile) {
+	return file.hashes?.sha1 ?? file.filename
+}
+
+function dedupeDependencyRows(
+	rows: DownloadDependencyRow[],
+	seenDependencies = new Set<string>(),
+): DownloadDependencyRow[] {
+	return rows.flatMap((row) => {
+		const identity = dependencyRowIdentity(row)
+		if (seenDependencies.has(identity)) return []
+
+		seenDependencies.add(identity)
+
+		return [
+			{
+				...row,
+				dependencies: dedupeDependencyRows(row.dependencies, seenDependencies),
+			},
+		]
+	})
+}
+
+function dependencyRowIdentity(row: DownloadDependencyRow) {
+	return row.projectHref ?? row.downloadHref ?? row.key
+}
+
+function hasDuplicateDependencyRows(
+	rows: DownloadDependencyRow[],
+	seenDependencies = new Set<string>(),
+): boolean {
+	for (const row of rows) {
+		const rowId = dependencyRowIdentity(row)
+		if (seenDependencies.has(rowId)) return true
+		seenDependencies.add(rowId)
+		if (hasDuplicateDependencyRows(row.dependencies, seenDependencies)) return true
+	}
+
+	return false
+}
+
+function collectDownloadableDependencyFiles(
+	rows: DownloadDependencyRow[],
+	seenHrefs = new Set<string>(),
+): DownloadableDependencyFile[] {
+	const files: DownloadableDependencyFile[] = []
+
+	for (const row of rows) {
+		if (row.downloadHref && !seenHrefs.has(row.downloadHref)) {
+			seenHrefs.add(row.downloadHref)
+			files.push({
+				href: row.downloadHref,
+				filename: row.filename || filenameFromUrl(row.downloadHref),
+				name: row.name,
+			})
+		}
+
+		files.push(...collectDownloadableDependencyFiles(row.dependencies, seenHrefs))
+	}
+
+	return files
+}
+
+function filenameFromUrl(url: string) {
+	try {
+		const filename = new URL(url).pathname.split('/').pop()
+		return filename ? decodeURIComponent(filename) : 'dependency.jar'
+	} catch {
+		return 'dependency.jar'
+	}
+}
+
+function sortedUnique(values: string[]) {
+	return [...new Set(values)].sort()
+}
+
+const messages = defineMessages({
+	alreadyInstalledDependency: {
+		id: 'project.download.dependency-already-installed',
+		defaultMessage: 'This dependency is already installed',
+	},
+	conflictingDependency: {
+		id: 'project.download.dependency-conflicting',
+		defaultMessage: 'This dependency conflicts with another dependency',
+	},
+	duplicateDependency: {
+		id: 'project.download.dependency-duplicate',
+		defaultMessage: 'This dependency is already included',
+	},
+	missingDependencyVersion: {
+		id: 'project.download.dependency-missing-version',
+		defaultMessage: 'This dependency version is unavailable',
+	},
+	noCompatibleDependency: {
+		id: 'project.download.dependency-no-compatible-version',
+		defaultMessage: 'No compatible version is available for this dependency',
+	},
+	quiltFabricApiDependency: {
+		id: 'project.download.dependency-quilt-fabric-api',
+		defaultMessage: 'Fabric API is skipped for Quilt',
+	},
+	unavailableDependency: {
+		id: 'project.download.dependency-unavailable',
+		defaultMessage: 'This dependency cannot be downloaded',
+	},
+	unavailableFile: {
+		id: 'project.download.file-unavailable',
+		defaultMessage: 'This file cannot be downloaded',
+	},
+})

apps/frontend/src/components/ui/ProjectDownloadModal/index.vue

@@ -31,17 +31,7 @@
 					@download="onDownload"
 				/>
 				<div class="flex flex-col gap-4">
-					<DownloadDependencies
-						:project="project"
-						:selected-version="selectedVersion"
-						:current-game-version="currentGameVersion"
-						:current-platform="currentPlatform"
-						:download-reason="downloadReason"
-						:additional-files="additionalFiles"
-						@update:downloadable-files="dependencyDownloadFiles = $event"
-						@update:downloadable-files-loaded="dependencyDownloadFilesLoaded = $event"
-						@download="onDownload"
-					/>
+					<DownloadDependencies @download="onDownload" />
 				</div>
 				<ServersPromo
 					v-if="flags.showProjectPageDownloadModalServersPromo"
@@ -109,7 +99,8 @@ import {
 	useVIntl,
 } from '@modrinth/ui'
 import type { DisplayProjectType } from '@modrinth/utils'
-import { useQuery } from '@tanstack/vue-query'
+import { useQuery, useQueryClient } from '@tanstack/vue-query'
+import dayjs from 'dayjs'
 import JSZip from 'jszip'
 import { computed, nextTick, onUnmounted, ref, watch } from 'vue'
 
@@ -120,6 +111,7 @@ import { STALE_TIME, STALE_TIME_LONG } from '~/composables/queries/project'
 import DownloadDependencies from './DownloadDependencies.vue'
 import DownloadProject from './DownloadProject.vue'
 import InstallWithModrinthApp from './InstallWithModrinthApp.vue'
+import { provideDownloadModalProvider } from './download-modal-provider'
 
 type DownloadModalProject = Omit<Labrinth.Projects.v2.Project, 'project_type'> & {
 	project_type: DisplayProjectType
@@ -183,6 +175,7 @@ const route = useRoute()
 const flags = useFeatureFlags()
 const tags = useGeneratedState()
 const client = injectModrinthClient()
+const queryClient = useQueryClient()
 const { createProjectDownloadUrl } = useCdnDownloadContext()
 const { addNotification } = injectNotificationManager()
 const { formatMessage } = useVIntl()
@@ -190,6 +183,7 @@ const debug = useDebugLogger('DownloadModal')
 
 const modal = ref<NewModalRef | null>(null)
 const downloadTitleRef = ref<HTMLElement | null>(null)
+const modalOpening = ref(false)
 const modalOpen = ref(false)
 const showProjectId = ref<string | null>(null)
 const showOptions = ref<ResolvedProjectDownloadModalShowOptions>(getDefaultShowOptions())
@@ -199,13 +193,13 @@ const pendingRouteSelection = ref({
 	gameVersion: getStringQueryValue(route.query.version),
 	platform: getStringQueryValue(route.query.loader),
 })
-const dependencyDownloadFiles = ref<DownloadableFile[]>([])
-const dependencyDownloadFilesLoaded = ref(false)
 const downloadingActionType = ref<DownloadActionType | null>(null)
 const MODAL_CLOSE_STATE_RESET_MS = 350
 const DOWNLOAD_URL_REVOKE_MS = 60000
 const DOWNLOAD_STAGGER_MS = 500
 let closeStateResetTimeout: ReturnType<typeof setTimeout> | null = null
+let modalShowRequestId = 0
+let unmounted = false
 
 const routeProjectId = computed(() => showProjectId.value ?? props.projectId ?? null)
 
@@ -249,24 +243,9 @@ const { data: versionsV3, isFetching: versionsV3Loading } = useQuery({
 	enabled: computed(() => !!resolvedProjectId.value && versionsEnabled.value),
 })
 
-const versions = computed<Labrinth.Versions.v3.Version[]>(() => {
-	const isModpack =
-		project.value?.actualProjectType === 'modpack' || project.value?.project_type === 'modpack'
-
-	return (versionsV3.value ?? []).map((version) => {
-		const files = Array.isArray(version.files) ? version.files : []
-		const gameVersions = Array.isArray(version.game_versions) ? version.game_versions : []
-		const loaders = Array.isArray(version.loaders) ? version.loaders : []
-		const mrpackLoaders = Array.isArray(version.mrpack_loaders) ? version.mrpack_loaders : []
-
-		return {
-			...version,
-			files,
-			game_versions: gameVersions,
-			loaders: isModpack && mrpackLoaders.length ? mrpackLoaders : loaders,
-		}
-	})
-})
+const versions = computed<Labrinth.Versions.v3.Version[]>(() =>
+	normalizeVersionsForDownload(versionsV3.value ?? []),
+)
 
 const initialGameVersion = computed(() => {
 	const version = route.query.version
@@ -289,6 +268,17 @@ const additionalFiles = computed(() => {
 	return selectedVersion.value.files.filter((file) => file !== selectedPrimaryFile.value)
 })
 
+const downloadModalProvider = provideDownloadModalProvider({
+	project,
+	selectedVersion,
+	currentGameVersion,
+	currentPlatform,
+	downloadReason: computed(() => props.downloadReason),
+	additionalFiles,
+})
+const dependencyDownloadFiles = downloadModalProvider.downloadableDependencyFiles
+const dependencyDownloadFilesLoaded = downloadModalProvider.downloadableDependencyFilesLoaded
+
 const selectedVersionDownloadFiles = computed<DownloadableFile[]>(() => {
 	if (!selectedVersion.value) return []
 
@@ -406,16 +396,6 @@ function selectPlatform(platform: string) {
 }
 
 function updateProjectDownloadSelection(selection: ProjectDownloadSelection) {
-	const previousSelection = projectDownloadSelection.value
-	if (
-		previousSelection.selectedVersion?.id !== selection.selectedVersion?.id ||
-		previousSelection.currentGameVersion !== selection.currentGameVersion ||
-		previousSelection.currentPlatform !== selection.currentPlatform
-	) {
-		dependencyDownloadFiles.value = []
-		dependencyDownloadFilesLoaded.value = false
-	}
-
 	projectDownloadSelection.value = selection
 	pendingRouteSelection.value = {
 		gameVersion: selection.currentGameVersion,
@@ -451,22 +431,37 @@ async function show(
 	event?: MouseEvent,
 	options: ProjectDownloadModalShowOptions = {},
 ): Promise<void> {
-	if (!modal.value || modalOpen.value) return
-	await waitForCloseStateReset()
-	if (!modal.value || modalOpen.value) return
-	showOptions.value = {
-		...getDefaultShowOptions(),
-		...options,
+	if (!modal.value || modalOpening.value || modalOpen.value) return
+	const showRequestId = ++modalShowRequestId
+	modalOpening.value = true
+
+	try {
+		await waitForCloseStateReset()
+		if (!isActiveShowRequest(showRequestId)) return
+		showOptions.value = {
+			...getDefaultShowOptions(),
+			...options,
+		}
+		showProjectId.value = showOptions.value.projectId ?? null
+		await nextTick()
+		if (!isActiveShowRequest(showRequestId)) return
+		if (!(await loadProjectForModal(!!showOptions.value.projectId))) return
+		if (!isActiveShowRequest(showRequestId)) return
+		resetDownloadState()
+		await preloadRouteSelectedDownload()
+		if (!isActiveShowRequest(showRequestId)) return
+		modalOpen.value = true
+		modal.value.show(event)
+	} finally {
+		if (modalShowRequestId === showRequestId) {
+			modalOpening.value = false
+		}
 	}
-	showProjectId.value = showOptions.value.projectId ?? null
-	await nextTick()
-	if (!(await loadProjectForModal(!!showOptions.value.projectId))) return
-	resetDownloadState()
-	modalOpen.value = true
-	modal.value.show(event)
 }
 
 function hide() {
+	modalShowRequestId += 1
+	modalOpening.value = false
 	if (!modal.value || !modalOpen.value) return
 	modal.value?.hide()
 }
@@ -661,6 +656,15 @@ function getStringQueryValue(value: unknown) {
 	return typeof value === 'string' ? value : null
 }
 
+function shouldPreloadRouteSelectedDownload() {
+	return (
+		props.useRouteHash &&
+		!showOptions.value.projectId &&
+		!!getStringQueryValue(route.query.version) &&
+		!!getStringQueryValue(route.query.loader)
+	)
+}
+
 function clearCloseStateResetTimeout() {
 	if (!closeStateResetTimeout) return
 	clearTimeout(closeStateResetTimeout)
@@ -684,10 +688,133 @@ async function loadProjectForModal(forceRefetch: boolean) {
 	return !!data
 }
 
+async function loadVersionsForModal() {
+	if (!resolvedProjectId.value) return null
+	versionsEnabled.value = true
+	if (versionsV3.value) return versions.value
+
+	const data = await queryClient.ensureQueryData({
+		queryKey: ['project', resolvedProjectId.value, 'versions', 'v3'],
+		queryFn: () =>
+			client.labrinth.versions_v3.getProjectVersions(resolvedProjectId.value!, {
+				include_changelog: false,
+				apiVersion: 3,
+			}),
+		staleTime: STALE_TIME_LONG,
+	})
+
+	return Array.isArray(data) ? normalizeVersionsForDownload(data) : null
+}
+
+async function preloadRouteSelectedDownload() {
+	if (!shouldPreloadRouteSelectedDownload()) return
+
+	try {
+		const routeVersions = await loadVersionsForModal()
+		if (!routeVersions) return
+
+		const selection = getRouteSelectedDownloadSelection(routeVersions)
+		if (!selection) return
+
+		await preloadDependenciesForSelection(selection)
+	} catch (error) {
+		debug('failed to preload selected route download', error)
+	}
+}
+
+function getRouteSelectedDownloadSelection(
+	versionList: Labrinth.Versions.v3.Version[] = versions.value,
+): ProjectDownloadSelection | null {
+	const gameVersion = initialGameVersion.value
+	const platform = initialPlatform.value
+	const version = getSelectedRouteVersion(gameVersion, platform, versionList)
+	const primaryFile =
+		version?.files?.find((file) => file.primary) || version?.files?.[0] || null
+
+	if (!gameVersion || !platform || !version || !primaryFile) return null
+
+	return {
+		currentGameVersion: gameVersion,
+		currentPlatform: platform,
+		selectedVersion: version,
+		selectedPrimaryFile: primaryFile,
+	}
+}
+
+function getSelectedRouteVersion(
+	gameVersion: string | null,
+	platform: string | null,
+	versionList: Labrinth.Versions.v3.Version[],
+) {
+	if (!gameVersion || !platform || !project.value) return null
+
+	const filteredVersions = versionList.filter((version) => {
+		const matchesPlatform =
+			project.value?.project_type === 'resourcepack' ||
+			(!!platform && version.loaders.includes(platform))
+
+		return version.game_versions.includes(gameVersion) && matchesPlatform
+	})
+
+	return (
+		latestVersionByType(filteredVersions, 'release') ||
+		latestVersionByType(filteredVersions, 'beta') ||
+		latestVersionByType(filteredVersions, 'alpha') ||
+		null
+	)
+}
+
+function normalizeVersionsForDownload(
+	versionList: Labrinth.Versions.v3.Version[],
+): Labrinth.Versions.v3.Version[] {
+	const isModpack =
+		project.value?.actualProjectType === 'modpack' || project.value?.project_type === 'modpack'
+
+	return versionList.map((version) => {
+		const files = Array.isArray(version.files) ? version.files : []
+		const gameVersions = Array.isArray(version.game_versions) ? version.game_versions : []
+		const loaders = Array.isArray(version.loaders) ? version.loaders : []
+		const mrpackLoaders = Array.isArray(version.mrpack_loaders) ? version.mrpack_loaders : []
+
+		return {
+			...version,
+			files,
+			game_versions: gameVersions,
+			loaders: isModpack && mrpackLoaders.length ? mrpackLoaders : loaders,
+		}
+	})
+}
+
+function latestVersionByType(
+	versionList: Labrinth.Versions.v3.Version[],
+	type: Labrinth.Versions.v3.VersionChannel,
+) {
+	return versionList
+		.filter((version) => version.version_type === type)
+		.reduce<Labrinth.Versions.v3.Version | undefined>((latest, version) => {
+			if (!latest || dayjs(version.date_published).isAfter(dayjs(latest.date_published))) {
+				return version
+			}
+
+			return latest
+		}, undefined)
+}
+
+async function preloadDependenciesForSelection(selection: ProjectDownloadSelection) {
+	await downloadModalProvider.preloadDependenciesForSelection(selection)
+}
+
+function isActiveShowRequest(showRequestId: number) {
+	return (
+		!unmounted &&
+		modalShowRequestId === showRequestId &&
+		!!modal.value &&
+		!modalOpen.value
+	)
+}
+
 function resetDownloadState() {
 	projectDownloadSelection.value = getDefaultProjectDownloadSelection()
-	dependencyDownloadFiles.value = []
-	dependencyDownloadFilesLoaded.value = false
 	downloadProjectResetKey.value += 1
 }
 
@@ -695,6 +822,7 @@ function openFromHash() {
 	if (
 		!props.useRouteHash ||
 		!modal.value ||
+		modalOpening.value ||
 		modalOpen.value ||
 		showProjectId.value ||
 		route.hash !== '#download'
@@ -725,12 +853,14 @@ watch(modal, openFromHash)
 watch(() => route.hash, openFromHash)
 watch(routeProjectId, () => {
 	projectDownloadSelection.value = getDefaultProjectDownloadSelection()
-	dependencyDownloadFiles.value = []
-	dependencyDownloadFilesLoaded.value = false
 	downloadProjectResetKey.value += 1
 })
 
-onUnmounted(clearCloseStateResetTimeout)
+onUnmounted(() => {
+	unmounted = true
+	modalShowRequestId += 1
+	clearCloseStateResetTimeout()
+})
 
 defineExpose({ show, hide })
 </script>