<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=555243) </details> <!--IssueSummary end--> [`app/assets/javascripts/merge_conflicts/store/index.js`](https://gitlab.com/gitlab-org/gitlab/blob/3e60bba206715737ac53d6e50fea4b76a425b6d6/app/assets/javascripts/merge_conflicts/store/index.js) store should be migrated to Pinia using [the single-step migration](https://docs.gitlab.com/development/fe_guide/pinia/#single-step-migration). Files to cover (non-exhaustive): - `app/assets/javascripts/merge_conflicts/store/index.js` - `app/assets/javascripts/merge_conflicts/store/actions.js` - `app/assets/javascripts/merge_conflicts/store/getters.js` - `app/assets/javascripts/merge_conflicts/store/mutations.js` - `app/assets/javascripts/merge_conflicts/store/state.js` - `app/assets/javascripts/merge_conflicts/merge_conflicts_bundle.js` - `app/assets/javascripts/merge_conflicts/merge_conflict_resolver_app.vue` - `app/assets/javascripts/merge_conflicts/components/diff_file_editor.vue` - `app/assets/javascripts/merge_conflicts/components/inline_conflict_lines.vue` - `app/assets/javascripts/merge_conflicts/components/parallel_conflict_lines.vue` And their respective specs.