Type cache

packages/frontend-core/src/components/grid/stores/cache.ts

@@ -1,16 +1,31 @@
-export const createActions = context => {
+import { FindTableResponse } from "@budibase/types"
+import { Store as StoreContext } from "."
+
+interface CacheActionStore {
+  cache: {
+    actions: {
+      getPrimaryDisplayForTableId: (tableId: string) => Promise<string>
+      getTable: (tableId: string) => Promise<FindTableResponse>
+      resetCache: () => any
+    }
+  }
+}
+
+export type Store = CacheActionStore
+
+export const createActions = (context: StoreContext): CacheActionStore => {
   const { API } = context
 
   // Cache for the primary display columns of different tables.
   // If we ever need to cache table definitions for other purposes then we can
   // expand this to be a more generic cache.
-  let tableCache = {}
+  let tableCache: Record<string, Promise<FindTableResponse>> = {}
 
   const resetCache = () => {
     tableCache = {}
   }
 
-  const fetchTable = async tableId => {
+  const fetchTable = async (tableId: string) => {
     // If we've never encountered this tableId before then store a promise that
     // resolves to the primary display so that subsequent invocations before the
     // promise completes can reuse this promise
@@ -21,13 +36,13 @@ export const createActions = context => {
     return await tableCache[tableId]
   }
 
-  const getPrimaryDisplayForTableId = async tableId => {
+  const getPrimaryDisplayForTableId = async (tableId: string) => {
     const table = await fetchTable(tableId)
     const display = table?.primaryDisplay || table?.schema?.[0]?.name
     return display
   }
 
-  const getTable = async tableId => {
+  const getTable = async (tableId: string) => {
     const table = await fetchTable(tableId)
     return table
   }
@@ -43,7 +58,7 @@ export const createActions = context => {
   }
 }
 
-export const initialise = context => {
+export const initialise = (context: StoreContext) => {
   const { datasource, cache } = context
 
   // Wipe the caches whenever the datasource changes to ensure we aren't

packages/frontend-core/src/components/grid/stores/index.ts

@@ -106,7 +106,8 @@ export type Store = BaseStore &
   Reorder.Store &
   Resize.Store &
   Config.Store &
-  Conditions.Store
+  Conditions.Store &
+  Cache.Store
 
 export const attachStores = (context: Store): Store => {
   // Atomic store creation