Extract base filter constant

This extracts the base filter string `"all"` to a constant, and adds
a utility function for checking whether an option is a base filter.

Part of the [Instance Security Dashboard MVC][1].

[1]: https://gitlab.com/gitlab-org/gitlab/issues/6953

ee/app/assets/javascripts/security_dashboard/store/modules/filters/constants.js

@@ -28,21 +28,22 @@ export const REPORT_TYPES = {
   sast: s__('ciReport|SAST'),
 };
 
+export const ALL = 'all';
 export const BASE_FILTERS = {
   severity: {
     name: s__('ciReport|All severities'),
-    id: 'all',
+    id: ALL,
   },
   confidence: {
     name: s__('ciReport|All confidence levels'),
-    id: 'all',
+    id: ALL,
   },
   report_type: {
     name: s__('ciReport|All report types'),
-    id: 'all',
+    id: ALL,
   },
   project_id: {
     name: s__('ciReport|All projects'),
-    id: 'all',
+    id: ALL,
   },
 };

ee/app/assets/javascripts/security_dashboard/store/modules/filters/getters.js

 import { sprintf, __ } from '~/locale';
+import { isBaseFilterOption } from './utils';
 
 export const getFilter = state => filterId => state.filters.find(filter => filter.id === filterId);
 
@@ -22,13 +23,13 @@ export const getSelectedOptionNames = (state, getters) => filterId => {
 
 /**
  * Loops through all the filters and returns all the active ones
- * stripping out any that are set to 'all'
+ * stripping out base filter options.
  * @returns Object
  * e.g. { type: ['sast'], severity: ['high', 'medium'] }
  */
 export const activeFilters = state => {
   const filters = state.filters.reduce((acc, filter) => {
-    acc[filter.id] = [...Array.from(filter.selection)].filter(option => option !== 'all');
+    acc[filter.id] = [...Array.from(filter.selection)].filter(id => !isBaseFilterOption(id));
     return acc;
   }, {});
   // hide_dismissed is hardcoded as it currently is an edge-case, more info in the MR:

ee/app/assets/javascripts/security_dashboard/store/modules/filters/mutations.js

 import * as types from './mutation_types';
+import { ALL } from './constants';
+import { isBaseFilterOption } from './utils';
 
 export default {
   [types.SET_ALL_FILTERS](state, payload = {}) {
@@ -12,7 +14,7 @@ export default {
 
       // This prevents us from selecting nothing at all
       if (selection.size === 0) {
-        selection.add('all');
+        selection.add(ALL);
       }
 
       return { ...filter, selection };
@@ -26,10 +28,10 @@ export default {
     if (activeFilter) {
       let selection = new Set(activeFilter.selection);
 
-      if (optionId === 'all') {
-        selection = new Set(['all']);
+      if (isBaseFilterOption(optionId)) {
+        selection = new Set([ALL]);
       } else {
-        selection.delete('all');
+        selection.delete(ALL);
         if (selection.has(optionId)) {
           selection.delete(optionId);
         } else {
@@ -39,7 +41,7 @@ export default {
 
       // This prevents us from selecting nothing at all
       if (selection.size === 0) {
-        selection.add('all');
+        selection.add(ALL);
       }
       activeFilter.selection = selection;
     }

ee/app/assets/javascripts/security_dashboard/store/modules/filters/state.js

@@ -10,28 +10,28 @@ export default () => ({
       id: 'severity',
       options: [BASE_FILTERS.severity, ...optionsObjectToArray(SEVERITY_LEVELS)],
       hidden: false,
-      selection: new Set(['all']),
+      selection: new Set([BASE_FILTERS.severity.id]),
     },
     {
       name: s__('SecurityDashboard|Confidence'),
       id: 'confidence',
       options: [BASE_FILTERS.confidence, ...optionsObjectToArray(CONFIDENCE_LEVELS)],
       hidden: false,
-      selection: new Set(['all']),
+      selection: new Set([BASE_FILTERS.confidence.id]),
     },
     {
       name: s__('SecurityDashboard|Report type'),
       id: 'report_type',
       options: [BASE_FILTERS.report_type, ...optionsObjectToArray(REPORT_TYPES)],
       hidden: false,
-      selection: new Set(['all']),
+      selection: new Set([BASE_FILTERS.report_type.id]),
     },
     {
       name: s__('SecurityDashboard|Project'),
       id: 'project_id',
       options: [BASE_FILTERS.project_id],
       hidden: false,
-      selection: new Set(['all']),
+      selection: new Set([BASE_FILTERS.project_id.id]),
     },
   ],
   hide_dismissed: true,

ee/app/assets/javascripts/security_dashboard/store/modules/filters/utils.js

+import { ALL } from './constants';
+
+// eslint-disable-next-line import/prefer-default-export
+export const isBaseFilterOption = id => id === ALL;

ee/spec/frontend/security_dashboard/store/filters/mutations_spec.js

 import createState from 'ee/security_dashboard/store/modules/filters/state';
 import * as types from 'ee/security_dashboard/store/modules/filters/mutation_types';
 import mutations from 'ee/security_dashboard/store/modules/filters/mutations';
+import { ALL } from 'ee/security_dashboard/store/modules/filters/constants';
 
 describe('filters module mutations', () => {
   let state;
@@ -32,7 +33,7 @@ describe('filters module mutations', () => {
         optionId: criticalOption.id,
       });
 
-      expect(state.filters[0].selection).toEqual(new Set(['all']));
+      expect(state.filters[0].selection).toEqual(new Set([ALL]));
     });
 
     describe('on subsequent changes', () => {
@@ -69,7 +70,7 @@ describe('filters module mutations', () => {
     it('should set options to `all` if no payload is given', () => {
       mutations[types.SET_ALL_FILTERS](state);
 
-      const expected = new Set(['all']);
+      const expected = new Set([ALL]);
 
       state.filters.forEach(filter => {
         expect(filter.selection).toEqual(expected);
@@ -81,7 +82,7 @@ describe('filters module mutations', () => {
         [severityFilter.id]: [],
       });
 
-      const expected = new Set(['all']);
+      const expected = new Set([ALL]);
 
       expect(state.filters[0].selection).toEqual(expected);
     });