Merge branch 'diff-tree-resizable' into 'master'

Make the file tree in merge requests resizable

Closes #51857

See merge request gitlab-org/gitlab-ce!25097

1 files changed, 5 insertions, 0 deletions

diff --git a/app/assets/javascripts/diffs/store/actions.js b/app/assets/javascripts/diffs/store/actions.js
index feda882e826..c37a5c3a45f 100644
--- a/app/assets/javascripts/diffs/store/actions.js
+++ b/app/assets/javascripts/diffs/store/actions.js
@@ -16,6 +16,7 @@ import {
   MR_TREE_SHOW_KEY,
   TREE_LIST_STORAGE_KEY,
   WHITESPACE_STORAGE_KEY,
+  TREE_LIST_WIDTH_STORAGE_KEY,
 } from '../constants';
 import { diffViewerModes } from '~/ide/constants';
 
@@ -302,5 +303,9 @@ export const toggleFileFinder = ({ commit }, visible) => {
   commit(types.TOGGLE_FILE_FINDER_VISIBLE, visible);
 };
 
+export const cacheTreeListWidth = (_, size) => {
+  localStorage.setItem(TREE_LIST_WIDTH_STORAGE_KEY, size);
+};
+
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};