feat: query by nested properties inMemory

Author: mrnagydavid

src/adapter/inmemory/queryInMemory.ts

@@ -1,4 +1,4 @@
-import { _pick, ObjectWithId } from '@naturalcycles/js-lib'
+import { _get, _pick, ObjectWithId } from '@naturalcycles/js-lib'
 import { DBQuery, DBQueryFilterOperator } from '../../query/dbQuery'
 
 type FilterFn = (v: any, val: any) => boolean
@@ -22,7 +22,10 @@ export function queryInMemory<ROW extends ObjectWithId>(q: DBQuery<ROW>, rows: R
   // .filter
   // eslint-disable-next-line unicorn/no-array-reduce
   rows = q._filters.reduce((rows, filter) => {
-    return rows.filter(row => FILTER_FNS[filter.op](row[filter.name], filter.val))
+    return rows.filter(row => {
+      const value = _get(row, filter.name as string)
+      return FILTER_FNS[filter.op](value, filter.val)
+    })
   }, rows)
 
   // .select(fieldNames)

src/testing/daoTest.ts

@@ -196,6 +196,19 @@ export function runCommonDaoTest(db: CommonDB, quirks: CommonDBImplementationQui
           quirks,
         )
       })
+
+      test('query nested property', async () => {
+        let rows = await dao
+          .query()
+          .filter('nested.foo' as any, '==', 1)
+          .runQuery()
+        rows = _sortBy(rows, r => r.id)
+        expectMatch(
+          expectedItems.filter(i => i.nested?.foo === 1),
+          rows,
+          quirks,
+        )
+      })
     }
 
     if (support.dbQueryOrder) {

src/testing/test.model.ts

@@ -24,6 +24,9 @@ export interface TestItemBM extends BaseDBEntity {
   k3?: number
   even?: boolean
   b1?: Buffer
+  nested?: {
+    foo: number
+  }
 }
 
 export interface TestItemDBM extends TestItemBM {}
@@ -39,6 +42,9 @@ export const testItemBMSchema = objectSchema<TestItemBM>({
   k3: numberSchema.optional(),
   even: booleanSchema.optional(),
   b1: binarySchema.optional(),
+  nested: objectSchema({
+    foo: numberSchema,
+  }).optional(),
 }).concat(baseDBEntitySchema as any)
 
 export const testItemTMSchema = objectSchema<TestItemTM>({
@@ -68,6 +74,7 @@ export function createTestItemDBM(num = 1): TestItemDBM {
     k2: `v${num * 2}`,
     k3: num,
     even: num % 2 === 0,
+    nested: { foo: num },
     created: MOCK_TS_2018_06_21,
     updated: MOCK_TS_2018_06_21,
   }