feat(web): navigate with keyboard on person page (#5486)

* feat: navigate with keyboard on person page

* pr feedback

* pr feedback

* pr feedback

* fix: remove unused import

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

@@ -27,6 +27,7 @@
   export let fullwidth = false;
   export let border = false;
   export let title: string | undefined = '';
+
   let className = '';
   export { className as class };
 

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

@@ -8,12 +8,6 @@
   import { mdiArrowLeft, mdiClose, mdiMerge } from '@mdi/js';
   import Icon from '$lib/components/elements/icon.svelte';
 
-  const dispatch = createEventDispatcher<{
-    reject: void;
-    confirm: [PersonResponseDto, PersonResponseDto];
-    close: void;
-  }>();
-
   export let personMerge1: PersonResponseDto;
   export let personMerge2: PersonResponseDto;
   export let potentialMergePeople: PersonResponseDto[];
@@ -22,6 +16,21 @@
 
   const title = personMerge2.name;
 
+  const dispatch = createEventDispatcher<{
+    reject: void;
+    confirm: [PersonResponseDto, PersonResponseDto];
+    close: void;
+  }>();
+
+  const handleKeyboardPress = (event: KeyboardEvent) => {
+    switch (event.key) {
+      case 'Escape': {
+        dispatch('close');
+        return;
+      }
+    }
+  };
+
   const changePersonToMerge = (newperson: PersonResponseDto) => {
     const index = potentialMergePeople.indexOf(newperson);
     [potentialMergePeople[index], personMerge2] = [personMerge2, potentialMergePeople[index]];
@@ -29,6 +38,8 @@
   };
 </script>
 
+<svelte:document on:keypress={handleKeyboardPress} />
+
 <FullScreenModal on:clickOutside={() => dispatch('close')}>
   <div class="flex h-full w-full place-content-center place-items-center overflow-hidden">
     <div
@@ -114,7 +125,7 @@
         <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 color="gray" on:click={() => dispatch('reject')}>No</Button>
         <Button fullwidth on:click={() => dispatch('confirm', [personMerge1, personMerge2])}>Yes</Button>
       </div>
     </div>

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

@@ -88,6 +88,8 @@
    **/
   let searchWord: string;
   let isSearchingPeople = false;
+  let focusedElements: (HTMLButtonElement | null)[] = Array.from({ length: maximumLengthSearchPeople }, () => null);
+  let indexFocus: number | null = null;
 
   const searchPeople = async () => {
     if ((people.length < maximumLengthSearchPeople && name.startsWith(searchWord)) || name === '') {
@@ -116,6 +118,7 @@
   $: {
     if (people) {
       suggestedPeople = name ? searchNameLocal(name, people, 5, data.person.id) : [];
+      indexFocus = null;
     }
   }
 
@@ -129,8 +132,51 @@
       viewMode = ViewMode.MERGE_PEOPLE;
     }
   });
+
+  const handleKeyboardPress = (event: KeyboardEvent) => {
+    if (suggestedPeople.length === 0) {
+      return;
+    }
+    if (!$showAssetViewer) {
+      event.stopPropagation();
+      switch (event.key) {
+        case 'ArrowDown': {
+          event.preventDefault();
+          if (indexFocus === null) {
+            indexFocus = 0;
+          } else if (indexFocus === suggestedPeople.length - 1) {
+            indexFocus = 0;
+          } else {
+            indexFocus++;
+          }
+          focusedElements[indexFocus]?.focus();
+          return;
+        }
+        case 'ArrowUp': {
+          if (indexFocus === null) {
+            indexFocus = 0;
+            return;
+          }
+          if (indexFocus === 0) {
+            indexFocus = suggestedPeople.length - 1;
+          } else {
+            indexFocus--;
+          }
+          focusedElements[indexFocus]?.focus();
+
+          return;
+        }
+        case 'Enter': {
+          if (indexFocus !== null) {
+            handleSuggestPeople(suggestedPeople[indexFocus]);
+          }
+        }
+      }
+    }
+  };
+
   const handleEscape = () => {
-    if ($showAssetViewer) {
+    if ($showAssetViewer || viewMode === ViewMode.SUGGEST_MERGE) {
       return;
     }
     if ($isMultiSelectState) {
@@ -350,6 +396,7 @@
   };
 </script>
 
+<svelte:document on:keydown={handleKeyboardPress} />
 {#if viewMode === ViewMode.UNASSIGN_ASSETS}
   <UnMergeFaceSelector
     assetIds={[...$selectedAssets].map((a) => a.id)}
@@ -499,13 +546,14 @@
                 </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
@@ -516,7 +564,6 @@
                     />
                     <p class="ml-4 text-gray-700 dark:text-gray-100">{person.name}</p>
                   </button>
-                  </div>
                 {/each}
               {/if}
             </div>