1 files changed, 33 insertions, 0 deletions
diff --git a/app/assets/javascripts/ide/stores/mutations/merge_request.js b/app/assets/javascripts/ide/stores/mutations/merge_request.js
new file mode 100644
index 00000000000..334819fe702
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/mutations/merge_request.js
@@ -0,0 +1,33 @@
+import * as types from '../mutation_types';
+
+export default {
+  [types.SET_CURRENT_MERGE_REQUEST](state, currentMergeRequestId) {
+    Object.assign(state, {
+      currentMergeRequestId,
+    });
+  },
+  [types.SET_MERGE_REQUEST](state, { projectPath, mergeRequestId, mergeRequest }) {
+    Object.assign(state.projects[projectPath], {
+      mergeRequests: {
+        [mergeRequestId]: {
+          ...mergeRequest,
+          active: true,
+          changes: [],
+          versions: [],
+          baseCommitSha: null,
+        },
+      },
+    });
+  },
+  [types.SET_MERGE_REQUEST_CHANGES](state, { projectPath, mergeRequestId, changes }) {
+    Object.assign(state.projects[projectPath].mergeRequests[mergeRequestId], {
+      changes,
+    });
+  },
+  [types.SET_MERGE_REQUEST_VERSIONS](state, { projectPath, mergeRequestId, versions }) {
+    Object.assign(state.projects[projectPath].mergeRequests[mergeRequestId], {
+      versions,
+      baseCommitSha: versions.length ? versions[0].base_commit_sha : null,
+    });
+  },
+};