chore: strengthen backend eslint profile

src/modules/banking/bank-cards/domain/bank-card.calculations.ts

@@ -22,10 +22,10 @@ export function bankBalance(
   cardId: string,
   opening: bigint,
   operations: Array<{
-    kind: string;
-    cardId: string;
-    targetCardId: string | null;
     amountKopecks: bigint;
+    cardId: string;
+    kind: string;
+    targetCardId: null | string;
   }>,
 ): bigint {
   // ponytail: O(N) history fold; optimize only after measuring growing histories.
@@ -35,19 +35,21 @@ export function bankBalance(
       if (
         operation.kind === BankOperationKind.Expense ||
         operation.kind === BankOperationKind.Transfer
-      )
+      ) {
         balance -= operation.amountKopecks;
-      else if (
+      } else if (
         operation.kind === BankOperationKind.Topup ||
         operation.kind === BankOperationKind.Refund
-      )
+      ) {
         balance += operation.amountKopecks;
+      }
     }
     if (
       operation.kind === BankOperationKind.Transfer &&
       operation.targetCardId === cardId
-    )
+    ) {
       balance += operation.amountKopecks;
+    }
   }
   return balance;
 }
@@ -55,17 +57,17 @@ export function bankBalance(
 export function bankSummary(
   period: { from: string; to: string },
   operations: Array<{
-    kind: string;
-    date: string;
     amountKopecks: bigint;
-    categoryId: string | null;
+    categoryId: null | string;
+    date: string;
+    kind: string;
   }>,
 ) {
   let expenses = 0n;
   let refunds = 0n;
   const categories = new Map<
     string,
-    { categoryId: string; expenses: bigint; refunds: bigint; net: bigint }
+    { categoryId: string; expenses: bigint; net: bigint; refunds: bigint }
   >();
   // ponytail: O(N) history fold; optimize only after measuring growing histories.
   for (const operation of operations) {
@@ -73,16 +75,17 @@ export function bankSummary(
     if (
       operation.kind !== BankOperationKind.Expense &&
       operation.kind !== BankOperationKind.Refund
-    )
+    ) {
       continue;
+    }
     const expense =
-      operation.kind === BankOperationKind.Expense
-        ? operation.amountKopecks
-        : 0n;
+      operation.kind === BankOperationKind.Expense ?
+        operation.amountKopecks :
+        0n;
     const refund =
-      operation.kind === BankOperationKind.Refund
-        ? operation.amountKopecks
-        : 0n;
+      operation.kind === BankOperationKind.Refund ?
+        operation.amountKopecks :
+        0n;
     expenses += expense;
     refunds += refund;
     if (operation.categoryId !== null) {

src/modules/banking/bank-cards/domain/rub-money.spec.ts

@@ -39,8 +39,9 @@ describe('RUB money', () => {
   });
 
   it('requires positive operation amounts, including at the maximum', () => {
-    for (const value of ['0', '-0.00', '-0.01'])
+    for (const value of ['0', '-0.00', '-0.01']) {
       expect(() => parseRubMoney({ currency: 'RUB', value }, true)).toThrow();
+    }
     expect(parseRubMoney({ currency: 'RUB', value: '0.01' }, true)).toBe(1n);
     expect(
       parseRubMoney({ currency: 'RUB', value: '92233720368547758.07' }, true),

src/modules/banking/bank-cards/domain/rub-money.ts

@@ -1,6 +1,7 @@
-import { decimalFromString, formatDecimal } from '../../../../common/decimal';
 import type { Money } from '../../../../common/money.types';
 
+import { decimalFromString, formatDecimal } from '../../../../common/decimal';
+
 const MIN_KOPECKS = -9_223_372_036_854_775_808n;
 const MAX_KOPECKS = 9_223_372_036_854_775_807n;
 
@@ -9,16 +10,20 @@ export function parseRubMoney(money: Money, positive = false): bigint {
     money?.currency !== 'RUB' ||
     typeof money.value !== 'string' ||
     money.value !== money.value.trim()
-  )
+  ) {
     throw new TypeError('Expected RUB money with a decimal string');
+  }
   const amount = decimalFromString(money.value);
-  if (amount.scale > 2)
+  if (amount.scale > 2) {
     throw new RangeError('RUB money supports at most two decimal places');
+  }
   const kopecks = amount.value * 10n ** BigInt(2 - amount.scale);
-  if (kopecks < MIN_KOPECKS || kopecks > MAX_KOPECKS)
+  if (kopecks < MIN_KOPECKS || kopecks > MAX_KOPECKS) {
     throw new RangeError('RUB money is outside the signed 64-bit range');
-  if (positive && kopecks <= 0n)
+  }
+  if (positive && kopecks <= 0n) {
     throw new RangeError('Operation amount must be positive');
+  }
   return kopecks;
 }