Store tree list preference in localStorage

Fixed clear search button not clearing

app/assets/javascripts/diffs/components/tree_list.vue

@@ -5,6 +5,8 @@ import Icon from '~/vue_shared/components/icon.vue';
 import FileRow from '~/vue_shared/components/file_row.vue';
 import FileRowStats from './file_row_stats.vue';
 
+const treeListStorageKey = 'mr_diff_tree_list';
+
 export default {
   directives: {
     Tooltip,
@@ -14,9 +16,11 @@ export default {
     FileRow,
   },
   data() {
+    const treeListStored = localStorage.getItem(treeListStorageKey);
+
     return {
       search: '',
-      renderTreeList: true,
+      renderTreeList: treeListStored !== null ? treeListStored === 'true' : true,
       focusSearch: false,
     };
   },
@@ -42,13 +46,20 @@ export default {
     ...mapActions('diffs', ['toggleTreeOpen', 'scrollToFile']),
     clearSearch() {
       this.search = '';
+      this.toggleFocusSearch(false)
     },
     toggleRenderTreeList(toggle) {
       this.renderTreeList = toggle;
+      localStorage.setItem(treeListStorageKey, this.renderTreeList);
     },
     toggleFocusSearch(toggle) {
       this.focusSearch = toggle;
     },
+    blurSearch() {
+      if (this.search.trim() === '') {
+        this.toggleFocusSearch(false);
+      }
+    },
   },
   FileRowStats,
 };
@@ -68,13 +79,13 @@ export default {
           type="search"
           class="form-control"
           @focus="toggleFocusSearch(true)"
-          @blur="toggleFocusSearch(false)"
+          @blur="blurSearch"
         />
         <button
           v-show="search"
           :aria-label="__('Clear search')"
           type="button"
-          class="position-absolute tree-list-icon tree-list-clear-icon border-0 p-0"
+          class="position-absolute bg-transparent tree-list-icon tree-list-clear-icon border-0 p-0"
           @click="clearSearch"
         >
           <icon
@@ -88,8 +99,8 @@ export default {
       >
         <button
           v-tooltip.hover
-          :aria-label="__('Switch to file list')"
-          :title="__('Switch to file list')"
+          :aria-label="__('File view')"
+          :title="__('File view')"
           :class="{
             active: !renderTreeList
           }"
@@ -103,8 +114,8 @@ export default {
         </button>
         <button
           v-tooltip.hover
-          :aria-label="__('Switch to tree list')"
-          :title="__('Switch to tree list')"
+          :aria-label="__('Tree view')"
+          :title="__('Tree view')"
           :class="{
             active: renderTreeList
           }"

locale/gitlab.pot

@@ -2783,6 +2783,9 @@ msgstr ""
 msgid "File templates"
 msgstr ""
 
+msgid "File view"
+msgstr ""
+
 msgid "Files"
 msgstr ""
 
@@ -5823,12 +5826,6 @@ msgstr ""
 msgid "Switch branch/tag"
 msgstr ""
 
-msgid "Switch to file list"
-msgstr ""
-
-msgid "Switch to tree list"
-msgstr ""
-
 msgid "System Hooks"
 msgstr ""
 
@@ -6510,6 +6507,9 @@ msgstr ""
 msgid "Track time with quick actions"
 msgstr ""
 
+msgid "Tree view"
+msgstr ""
+
 msgid "Trending"
 msgstr ""