From b0ed808745eed8767cec58e98741d7faaeeba627 Mon Sep 17 00:00:00 2001
From: Creeperkatze <creeperkatze.dev@gmail.com>
Date: Fri, 16 Jan 2026 00:01:09 +0100
Subject: [PATCH] Fix Discover URL filter parsing, improve search sidebar
 (#5104)

* fix category parsing on discover

* Make categories (loader, platform, etc) colored in discover, also add i18n

* fix formatting

* add localized strings

---------

Co-authored-by: Creeperkatze <178587183+Creeperkatze@users.noreply.github.com>
Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>
---
 .../components/search/SearchFilterOption.vue  | 12 +++-
 .../components/search/SearchSidebarFilter.vue | 59 +++++++++++++++++--
 packages/ui/src/locales/en-US/index.json      | 15 +++++
 packages/ui/src/utils/search.ts               | 45 +++++++++-----
 4 files changed, 108 insertions(+), 23 deletions(-)

diff --git a/packages/ui/src/components/search/SearchFilterOption.vue b/packages/ui/src/components/search/SearchFilterOption.vue
index f30c4b08..f455a273 100644
--- a/packages/ui/src/components/search/SearchFilterOption.vue
+++ b/packages/ui/src/components/search/SearchFilterOption.vue
@@ -23,7 +23,7 @@
 		></div>
 		<button
 			v-if="supportsNegativeFilter && !excluded"
-			v-tooltip="excluded ? 'Remove exclusion' : 'Exclude'"
+			v-tooltip="formatMessage(messages.excludeTooltip)"
 			class="flex border-none cursor-pointer items-center justify-center gap-2 rounded-xl bg-transparent px-2 py-1 text-sm font-semibold text-secondary [@media(hover:hover)]:opacity-0 transition-all hover:bg-button-bg hover:text-red focus-visible:bg-button-bg focus-visible:text-red active:scale-[0.96]"
 			@click="() => emit('toggleExclude', option)"
 		>
@@ -35,6 +35,7 @@
 <script setup lang="ts">
 import { BanIcon, CheckIcon } from '@modrinth/assets'
 
+import { defineMessages, useVIntl } from '../../composables/i18n'
 import type { FilterOption } from '../../utils/search'
 
 withDefaults(
@@ -49,10 +50,19 @@ withDefaults(
 	},
 )
 
+const { formatMessage } = useVIntl()
+
 const emit = defineEmits<{
 	toggle: [option: FilterOption]
 	toggleExclude: [option: FilterOption]
 }>()
+
+const messages = defineMessages({
+	excludeTooltip: {
+		id: 'search.filter.option.exclusion.add.tooltip',
+		defaultMessage: 'Exclude',
+	},
+})
 </script>
 <style scoped lang="scss">
 .search-filter-option:hover,
diff --git a/packages/ui/src/components/search/SearchSidebarFilter.vue b/packages/ui/src/components/search/SearchSidebarFilter.vue
index 570cface..68ea5697 100644
--- a/packages/ui/src/components/search/SearchSidebarFilter.vue
+++ b/packages/ui/src/components/search/SearchSidebarFilter.vue
@@ -71,10 +71,15 @@
 					v-model="query"
 					class="!min-h-9 text-sm"
 					type="text"
-					:placeholder="`Search...`"
+					:placeholder="formatMessage(messages.searchPlaceholder)"
 					autocomplete="off"
 				/>
-				<Button v-if="query" class="r-btn" aria-label="Clear search" @click="() => (query = '')">
+				<Button
+					v-if="query"
+					class="r-btn"
+					:aria-label="formatMessage(messages.clearSearchAriaLabel)"
+					@click="() => (query = '')"
+				>
 					<XIcon aria-hidden="true" />
 				</Button>
 			</div>
@@ -95,9 +100,17 @@
 						@toggle-exclude="toggleNegativeFilter"
 					>
 						<slot name="option" :filter="filterType" :option="option">
-							<div v-if="typeof option.icon === 'string'" class="h-4 w-4" v-html="option.icon" />
-							<component :is="option.icon" v-else-if="option.icon" class="h-4 w-4" />
-							<span class="truncate text-sm">{{ option.formatted_name ?? option.id }}</span>
+							<span
+								v-if="option.icon"
+								class="inline-flex items-center justify-center shrink-0 h-4 w-4"
+								:style="iconStyle(option)"
+							>
+								<div v-if="typeof option.icon === 'string'" class="h-4 w-4" v-html="option.icon" />
+								<component :is="option.icon" v-else class="h-4 w-4" />
+							</span>
+							<span class="truncate text-sm" :style="iconStyle(option)">
+								{{ option.formatted_name ?? option.id }}
+							</span>
 						</slot>
 					</SearchFilterOption>
 					<button
@@ -109,7 +122,9 @@
 							class="h-4 w-4 transition-transform"
 							:class="{ 'rotate-180': showMore }"
 						/>
-						<span class="truncate text-sm">{{ showMore ? 'Show fewer' : 'Show more' }}</span>
+						<span class="truncate text-sm">
+							{{ showMore ? formatMessage(messages.showFewer) : formatMessage(messages.showMore) }}
+						</span>
 					</button>
 				</div>
 			</ScrollablePanel>
@@ -234,6 +249,22 @@ const scrollable = computed(
 	() => visibleOptions.value.length >= 10 && props.filterType.display === 'scrollable',
 )
 
+function iconStyle(option: FilterOption) {
+	// Match project page platform coloring (Forge/Fabric/Velocity/etc.) while leaving other
+	// filter icons unchanged.
+	if (
+		props.filterType.id === 'mod_loader' ||
+		props.filterType.id === 'modpack_loader' ||
+		props.filterType.id === 'plugin_loader' ||
+		props.filterType.id === 'plugin_platform' ||
+		props.filterType.id === 'shader_loader'
+	) {
+		return { color: `var(--color-platform-${option.id})` }
+	}
+
+	return undefined
+}
+
 function groupEnabled(group: string) {
 	return toggledGroups.value.includes(group)
 }
@@ -315,6 +346,22 @@ function clearFilters() {
 }
 
 const messages = defineMessages({
+	searchPlaceholder: {
+		id: 'search.filter.option.search.placeholder',
+		defaultMessage: 'Search...',
+	},
+	clearSearchAriaLabel: {
+		id: 'search.filter.option.search.clear.aria_label',
+		defaultMessage: 'Clear search',
+	},
+	showFewer: {
+		id: 'search.filter.option.show_fewer',
+		defaultMessage: 'Show fewer',
+	},
+	showMore: {
+		id: 'search.filter.option.show_more',
+		defaultMessage: 'Show more',
+	},
 	unlockFilterButton: {
 		id: 'search.filter.locked.default.unlock',
 		defaultMessage: 'Unlock filter',
diff --git a/packages/ui/src/locales/en-US/index.json b/packages/ui/src/locales/en-US/index.json
index a1d02758..32c96a93 100644
--- a/packages/ui/src/locales/en-US/index.json
+++ b/packages/ui/src/locales/en-US/index.json
@@ -920,6 +920,21 @@
   "search.filter.locked.default.unlock": {
     "defaultMessage": "Unlock filter"
   },
+  "search.filter.option.exclusion.add.tooltip": {
+    "defaultMessage": "Exclude"
+  },
+  "search.filter.option.search.clear.aria_label": {
+    "defaultMessage": "Clear search"
+  },
+  "search.filter.option.search.placeholder": {
+    "defaultMessage": "Search..."
+  },
+  "search.filter.option.show_fewer": {
+    "defaultMessage": "Show fewer"
+  },
+  "search.filter.option.show_more": {
+    "defaultMessage": "Show more"
+  },
   "search.filter_type.environment": {
     "defaultMessage": "Environment"
   },
diff --git a/packages/ui/src/utils/search.ts b/packages/ui/src/utils/search.ts
index edfd7324..379bd6e9 100644
--- a/packages/ui/src/utils/search.ts
+++ b/packages/ui/src/utils/search.ts
@@ -558,32 +558,45 @@ export function useSearch(
 		})
 
 		for (const key of Object.keys(route.query).filter((key) => !readParams.has(key))) {
-			const type = filters.value.find((type) => type.query_param === key)
-			if (type) {
-				const values = getParamValuesAsArray(route.query[key])
+			const types = filters.value.filter((type) => type.query_param === key)
+			if (types.length === 0) {
+				console.error(`Unknown filter type: ${key}`)
+				continue
+			}
 
-				for (const value of values) {
-					const negative = !value.includes(':') && value.includes('!=')
+			const values = getParamValuesAsArray(route.query[key])
+
+			for (const value of values) {
+				const negative = !value.includes(':') && value.includes('!=')
+				let matched = false
+
+				for (const type of types) {
 					const option = type.options.find((option) => getOptionValue(option, negative) === value)
+					if (!option) {
+						continue
+					}
 
-					if (!option && type.allows_custom_options) {
+					currentFilters.value.push({
+						type: type.id,
+						option: option.id,
+						negative: negative,
+					})
+					matched = true
+					break
+				}
+
+				if (!matched) {
+					const customType = types.find((type) => type.allows_custom_options)
+					if (customType) {
 						currentFilters.value.push({
-							type: type.id,
+							type: customType.id,
 							option: value.replace('!=', ':'),
 							negative: negative,
 						})
-					} else if (option) {
-						currentFilters.value.push({
-							type: type.id,
-							option: option.id,
-							negative: negative,
-						})
 					} else {
-						console.error(`Unknown filter option: ${value}`)
+						console.error(`Unknown filter option for ${key}: ${value}`)
 					}
 				}
-			} else {
-				console.error(`Unknown filter type: ${key}`)
 			}
 		}
 	}