1 files changed, 25 insertions, 0 deletions
diff --git a/app/assets/javascripts/ide/stores/modules/editor/mutations.js b/app/assets/javascripts/ide/stores/modules/editor/mutations.js
new file mode 100644
index 00000000000..f332fe9dce9
--- /dev/null
+++ b/app/assets/javascripts/ide/stores/modules/editor/mutations.js
@@ -0,0 +1,25 @@
+import Vue from 'vue';
+import * as types from './mutation_types';
+import { getFileEditorOrDefault } from './utils';
+
+export default {
+  [types.UPDATE_FILE_EDITOR](state, { path, data }) {
+    const editor = getFileEditorOrDefault(state.fileEditors, path);
+
+    Vue.set(state.fileEditors, path, Object.assign(editor, data));
+  },
+  [types.REMOVE_FILE_EDITOR](state, path) {
+    Vue.delete(state.fileEditors, path);
+  },
+  [types.RENAME_FILE_EDITOR](state, { path, newPath }) {
+    const existing = state.fileEditors[path];
+
+    // Gracefully do nothing if fileEditor isn't found.
+    if (!existing) {
+      return;
+    }
+
+    Vue.delete(state.fileEditors, path);
+    Vue.set(state.fileEditors, newPath, existing);
+  },
+};