feat: navigate with keyboard on person page

web/src/lib/components/elements/buttons/button.svelte

@@ -26,6 +26,7 @@
   export let fullwidth = false;
   export let border = false;
   export let title: string | undefined = '';
+  export let ref: HTMLButtonElement | null = null;
 
   const colorClasses: Record<Color, string> = {
     primary:
@@ -55,6 +56,7 @@
 </script>
 
 <button
+  bind:this={ref}
   {type}
   {disabled}
   {title}

web/src/lib/components/faces-page/merge-suggestion-modal.svelte

@@ -1,12 +1,14 @@
 <script lang="ts">
   import FullScreenModal from '$lib/components/shared-components/full-screen-modal.svelte';
   import { api, type PersonResponseDto } from '@api';
-  import { createEventDispatcher } from 'svelte';
+  import { createEventDispatcher, onDestroy, onMount } from 'svelte';
   import ImageThumbnail from '../assets/thumbnail/image-thumbnail.svelte';
   import Button from '../elements/buttons/button.svelte';
   import CircleIconButton from '../elements/buttons/circle-icon-button.svelte';
   import { mdiArrowLeft, mdiClose, mdiMerge } from '@mdi/js';
   import Icon from '$lib/components/elements/icon.svelte';
+  import { browser } from '$app/environment';
+  import { assetViewingStore } from '$lib/stores/asset-viewing.store';
 
   const dispatch = createEventDispatcher<{
     reject: void;
@@ -18,10 +20,47 @@
   export let personMerge2: PersonResponseDto;
   export let potentialMergePeople: PersonResponseDto[];
 
+  let { isViewing: showAssetViewer } = assetViewingStore;
   let choosePersonToMerge = false;
-
+  let changeFocus = false;
+  let buttonNo: HTMLButtonElement;
+  let buttonYes: HTMLButtonElement;
   const title = personMerge2.name;
 
+  const onKeyboardPress = (event: KeyboardEvent) => handleKeyboardPress(event);
+
+  onMount(() => {
+    document.addEventListener('keydown', onKeyboardPress);
+  });
+
+  onDestroy(() => {
+    if (browser) {
+      document.removeEventListener('keydown', onKeyboardPress);
+    }
+  });
+
+  const handleKeyboardPress = (event: KeyboardEvent) => {
+    if (!$showAssetViewer) {
+      event.stopPropagation();
+      switch (event.key) {
+        case 'Tab':
+          event.preventDefault();
+
+          if (changeFocus) {
+            buttonYes.focus();
+          } else {
+            buttonNo.focus();
+          }
+
+          changeFocus = !changeFocus;
+          return;
+        case 'Escape':
+          dispatch('close');
+          return;
+      }
+    }
+  };
+
   const changePersonToMerge = (newperson: PersonResponseDto) => {
     const index = potentialMergePeople.indexOf(newperson);
     [potentialMergePeople[index], personMerge2] = [personMerge2, potentialMergePeople[index]];
@@ -114,8 +153,10 @@
         <p class="text-sm text-gray-500 dark:text-gray-300">They will be merged together</p>
       </div>
       <div class="mt-8 flex w-full gap-4 px-4 pb-4">
-        <Button color="gray" fullwidth on:click={() => dispatch('reject')}>No</Button>
-        <Button fullwidth on:click={() => dispatch('confirm', [personMerge1, personMerge2])}>Yes</Button>
+        <Button bind:ref={buttonNo} color="gray" fullwidth on:click={() => dispatch('reject')}>No</Button>
+        <Button bind:ref={buttonYes} fullwidth on:click={() => dispatch('confirm', [personMerge1, personMerge2])}
+          >Yes</Button
+        >
       </div>
     </div>
   </div>

web/src/routes/(user)/people/[personId]/+page.svelte

@@ -30,7 +30,7 @@
   import { websocketStore } from '$lib/stores/websocket';
   import { handleError } from '$lib/utils/handle-error';
   import { AssetResponseDto, PersonResponseDto, api } from '@api';
-  import { onMount } from 'svelte';
+  import { onDestroy, onMount } from 'svelte';
   import type { PageData } from './$types';
   import { clickOutside } from '$lib/utils/click-outside';
   import { assetViewingStore } from '$lib/stores/asset-viewing.store';
@@ -38,6 +38,7 @@
   import { mdiPlus, mdiDotsVertical, mdiArrowLeft } from '@mdi/js';
   import { isExternalUrl } from '$lib/utils/navigation';
   import { searchNameLocal } from '$lib/utils/person';
+  import { browser } from '$app/environment';
 
   export let data: PageData;
 
@@ -86,25 +87,10 @@
    **/
   let searchWord: string;
   let isSearchingPeople = false;
-
-  const searchPeople = async () => {
-    if ((people.length < 20 && name.startsWith(searchWord)) || name === '') {
-      return;
-    }
-    const timeout = setTimeout(() => (isSearchingPeople = true), 100);
-    try {
-      const { data } = await api.searchApi.searchPerson({ name });
-      people = data;
-      searchWord = name;
-    } catch (error) {
-      people = [];
-      handleError(error, "Can't search people");
-    } finally {
-      clearTimeout(timeout);
-    }
-
-    isSearchingPeople = false;
-  };
+  let focusedElements: (HTMLButtonElement | null)[] = Array(20)
+    .fill(null)
+    .map(() => null);
+  let indexFocus: number | null = null;
 
   $: isAllArchive = Array.from($selectedAssets).every((asset) => asset.isArchived);
   $: isAllFavorite = Array.from($selectedAssets).every((asset) => asset.isFavorite);
@@ -114,10 +100,14 @@
   $: {
     if (people) {
       suggestedPeople = !name ? [] : searchNameLocal(name, people, 5, data.person.id);
+      indexFocus = null;
     }
   }
 
+  const onKeyboardPress = (event: KeyboardEvent) => handleKeyboardPress(event);
+
   onMount(() => {
+    document.addEventListener('keydown', onKeyboardPress);
     const action = $page.url.searchParams.get('action');
     const getPreviousRoute = $page.url.searchParams.get('previousRoute');
     if (getPreviousRoute && !isExternalUrl(getPreviousRoute)) {
@@ -127,8 +117,75 @@
       viewMode = ViewMode.MERGE_FACES;
     }
   });
+
+  onDestroy(() => {
+    if (browser) {
+      document.removeEventListener('keydown', onKeyboardPress);
+    }
+  });
+
+  const handleKeyboardPress = (event: KeyboardEvent) => {
+    if (suggestedPeople.length === 0) {
+      return;
+    }
+    if (!$showAssetViewer) {
+      event.stopPropagation();
+      switch (event.key) {
+        case 'Tab':
+        case 'ArrowDown':
+          event.preventDefault();
+          if (indexFocus === null) {
+            indexFocus = 0;
+          } else if (indexFocus === suggestedPeople.length - 1) {
+            indexFocus = 0;
+          } else {
+            indexFocus++;
+          }
+          focusedElements[indexFocus]?.focus();
+          return;
+        case 'ArrowUp':
+          if (indexFocus === null) {
+            indexFocus = 0;
+            return;
+          }
+          if (indexFocus === 0) {
+            indexFocus = suggestedPeople.length - 1;
+          } else {
+            indexFocus--;
+          }
+          focusedElements[indexFocus]?.focus();
+
+          return;
+        case 'Enter':
+          if (indexFocus !== null) {
+            handleSuggestPeople(suggestedPeople[indexFocus]);
+          }
+      }
+    }
+  };
+
+  const searchPeople = async () => {
+    if ((people.length < 20 && name.startsWith(searchWord)) || name === '') {
+      return;
+    }
+    const timeout = setTimeout(() => (isSearchingPeople = true), 100);
+    try {
+      const { data } = await api.searchApi.searchPerson({ name });
+      indexFocus = null;
+      people = data;
+      searchWord = name;
+    } catch (error) {
+      people = [];
+      handleError(error, "Can't search people");
+    } finally {
+      clearTimeout(timeout);
+    }
+
+    isSearchingPeople = false;
+  };
+
   const handleEscape = () => {
-    if ($showAssetViewer) {
+    if ($showAssetViewer || viewMode === ViewMode.SUGGEST_MERGE) {
       return;
     }
     if ($isMultiSelectState) {
@@ -468,24 +525,24 @@
                 </div>
               {:else}
                 {#each suggestedPeople as person, index (person.id)}
-                  <div
-                    class="flex border-t border-x border-gray-400 dark:border-immich-dark-gray h-14 place-items-center bg-gray-200 p-2 dark:bg-gray-700 hover:bg-gray-300 hover:dark:bg-[#232932] {index ===
+                  <button
+                    bind:this={focusedElements[index]}
+                    class="flex w-full border-t border-gray-400 dark:border-immich-dark-gray h-14 place-items-center bg-gray-200 p-2 dark:bg-gray-700 hover:bg-gray-300 hover:dark:bg-[#232932] focus:bg-gray-300 focus:dark:bg-[#232932] {index ===
                     suggestedPeople.length - 1
                       ? 'rounded-b-lg border-b'
                       : ''}"
+                    on:click={() => handleSuggestPeople(person)}
                   >
-                    <button class="flex w-full place-items-center" on:click={() => handleSuggestPeople(person)}>
-                      <ImageThumbnail
-                        circle
-                        shadow
-                        url={api.getPeopleThumbnailUrl(person.id)}
-                        altText={person.name}
-                        widthStyle="2rem"
-                        heightStyle="2rem"
-                      />
-                      <p class="ml-4 text-gray-700 dark:text-gray-100">{person.name}</p>
-                    </button>
-                  </div>
+                    <ImageThumbnail
+                      circle
+                      shadow
+                      url={api.getPeopleThumbnailUrl(person.id)}
+                      altText={person.name}
+                      widthStyle="2rem"
+                      heightStyle="2rem"
+                    />
+                    <p class="ml-4 text-gray-700 dark:text-gray-100">{person.name}</p>
+                  </button>
                 {/each}
               {/if}
             </div>