chore: strengthen backend eslint profile

src/modules/investments/portfolio/domain/portfolio-structure.spec.ts

@@ -1,9 +1,9 @@
-import { portfolioStructure } from './portfolio-structure';
 import { PortfolioPositionDto } from '../presentation/portfolio.dto';
+import { portfolioStructure } from './portfolio-structure';
 
 const position = (
   type: string,
-  value: string | null,
+  value: null | string,
   currency = 'RUB',
 ): PortfolioPositionDto => ({
   type,

src/modules/investments/portfolio/domain/portfolio-structure.ts

@@ -1,11 +1,11 @@
+import type { Money } from '../../../../common/money.types';
+
 import {
   add,
   decimalFromString,
   formatDecimal,
 } from '../../../../common/decimal';
 
-import type { Money } from '../../../../common/money.types';
-
 const SHARE_PERCENT_DECIMAL_PLACES = 6;
 const PERCENT_SCALED_FACTOR = 100_000_000n;
 
@@ -13,14 +13,14 @@ const categoryTypes = ['STOCK', 'BOND', 'OTHER', 'CASH'] as const;
 
 // Build from positions and cash, never from totals (which already include cash).
 export function portfolioStructure(
-  positions: { type: string; currentValue: Money | null }[],
+  positions: { currentValue: Money | null; type: string }[],
   cash: Money[],
 ) {
   const currencies = new Map<
     string,
     {
-      values: ReturnType<typeof decimalFromString>[];
       hasNegativeValues: boolean;
+      values: ReturnType<typeof decimalFromString>[];
     }
   >();
   const unvalued = new Map<string, number>();
@@ -31,14 +31,15 @@ export function portfolioStructure(
     };
     const index = categoryTypes.findIndex((category) => category === type);
     const value = decimalFromString(money.value);
+    // eslint-disable-next-line security/detect-object-injection -- The numeric index belongs to the fixed portfolio category array.
     group.values[index] = add(group.values[index], value);
     group.hasNegativeValues ||= value.value < 0n;
     currencies.set(money.currency, group);
   };
   for (const position of positions) {
-    const type = ['STOCK', 'BOND'].includes(position.type)
-      ? position.type
-      : 'OTHER';
+    const type = ['BOND', 'STOCK'].includes(position.type) ?
+      position.type :
+      'OTHER';
     if (position.currentValue) include(type, position.currentValue);
     else unvalued.set(type, (unvalued.get(type) ?? 0) + 1);
   }
@@ -53,21 +54,22 @@ export function portfolioStructure(
         const canCalculateShares =
           !unvalued.size && !group.hasNegativeValues && total.value > 0n;
         const categories = group.values.map((value, index) => ({
+          // eslint-disable-next-line security/detect-object-injection -- The numeric index belongs to the fixed portfolio category array.
           type: categoryTypes[index],
           value: formatDecimal(value),
           // Rounded to six decimal places using integer arithmetic. Only the
           // resulting dimensionless percentage is passed to chart geometry.
-          sharePercent: canCalculateShares
-            ? formatDecimal({
+          sharePercent: canCalculateShares ?
+              formatDecimal({
                 value:
                   (value.value *
                     10n ** BigInt(total.scale - value.scale) *
                     PERCENT_SCALED_FACTOR +
                     total.value / 2n) /
-                  total.value,
+                    total.value,
                 scale: SHARE_PERCENT_DECIMAL_PLACES,
-              })
-            : null,
+              }) :
+            null,
         }));
         return {
           currency,

src/modules/investments/portfolio/domain/portfolio-totals.ts

@@ -1,9 +1,10 @@
+import type { Money } from '../../../../common/money.types';
+
 import {
   add,
   decimalFromString,
   formatDecimal,
 } from '../../../../common/decimal';
-import type { Money } from '../../../../common/money.types';
 
 export function sumMoneyByCurrency(amounts: Money[]): Money[] {
   const totals = new Map<string, ReturnType<typeof decimalFromString>>();