1 files changed, 70 insertions, 0 deletions
diff --git a/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js
new file mode 100644
index 00000000000..55716e1105e
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js
@@ -0,0 +1,70 @@
+import { DropdownVariant } from '../constants';
+import * as types from './mutation_types';
+
+export default {
+  [types.SET_INITIAL_STATE](state, props) {
+    Object.assign(state, { ...props });
+  },
+
+  [types.TOGGLE_DROPDOWN_BUTTON](state) {
+    state.showDropdownButton = !state.showDropdownButton;
+  },
+
+  [types.TOGGLE_DROPDOWN_CONTENTS](state) {
+    if (state.variant === DropdownVariant.Sidebar) {
+      state.showDropdownButton = !state.showDropdownButton;
+    }
+    state.showDropdownContents = !state.showDropdownContents;
+    // Ensure that Create View is hidden by default
+    // when dropdown contents are revealed.
+    if (state.showDropdownContents) {
+      state.showDropdownContentsCreateView = false;
+    }
+  },
+
+  [types.TOGGLE_DROPDOWN_CONTENTS_CREATE_VIEW](state) {
+    state.showDropdownContentsCreateView = !state.showDropdownContentsCreateView;
+  },
+
+  [types.REQUEST_LABELS](state) {
+    state.labelsFetchInProgress = true;
+  },
+  [types.RECEIVE_SET_LABELS_SUCCESS](state, labels) {
+    // Iterate over every label and add a `set` prop
+    // to determine whether it is already a part of
+    // selectedLabels array.
+    const selectedLabelIds = state.selectedLabels.map((label) => label.id);
+    state.labelsFetchInProgress = false;
+    state.labels = labels.reduce((allLabels, label) => {
+      allLabels.push({
+        ...label,
+        set: selectedLabelIds.includes(label.id),
+      });
+      return allLabels;
+    }, []);
+  },
+  [types.RECEIVE_SET_LABELS_FAILURE](state) {
+    state.labelsFetchInProgress = false;
+  },
+
+  [types.REQUEST_CREATE_LABEL](state) {
+    state.labelCreateInProgress = true;
+  },
+  [types.RECEIVE_CREATE_LABEL_SUCCESS](state) {
+    state.labelCreateInProgress = false;
+  },
+  [types.RECEIVE_CREATE_LABEL_FAILURE](state) {
+    state.labelCreateInProgress = false;
+  },
+
+  [types.UPDATE_SELECTED_LABELS](state, { labels }) {
+    // Find the label to update from all the labels
+    // and change `set` prop value to represent their current state.
+    const labelId = labels.pop()?.id;
+    const candidateLabel = state.labels.find((label) => labelId === label.id);
+    if (candidateLabel) {
+      candidateLabel.touched = true;
+      candidateLabel.set = !candidateLabel.set;
+    }
+  },
+};