Refactor exploration UI

assets/js/dashboard/extra/exploration/constants.ts

@@ -0,0 +1,20 @@
+export type ExplorationDirection = 'forward' | 'backward'
+
+type ExplorationDirectionOption = {
+  value: ExplorationDirection
+  label: string
+}
+export const DIRECTION: { [label: string]: ExplorationDirection } = {
+  FORWARD: 'forward',
+  BACKWARD: 'backward'
+}
+
+export const DIRECTION_OPTIONS: ExplorationDirectionOption[] = [
+  { value: DIRECTION.FORWARD, label: 'Starting point' },
+  { value: DIRECTION.BACKWARD, label: 'End point' }
+]
+
+export const PAGE_FILTER_KEYS = ['page', 'entry_page', 'exit_page']
+
+export const MAX_VISIBLE_CANDIDATES = 10
+export const MIN_GRID_COLUMNS = 3