chore: strengthen backend eslint profile

src/modules/investments/instruments/application/instrument-position.ts

@@ -5,7 +5,6 @@ import {
   formatDecimal,
   multiply,
 } from '../../../../common/decimal';
-
 import { MoneyDto } from '../../../../common/money.dto';
 import {
   PortfolioDto,
@@ -19,7 +18,7 @@ const RETURN_PERCENT_DECIMAL_PLACES = 6;
 export function instrumentPosition(
   portfolio: PortfolioDto,
   uid: string,
-  type: 'STOCK' | 'BOND',
+  type: 'BOND' | 'STOCK',
 ): StockPositionDto {
   const positions = portfolio.positions.filter(
     (p) => p.type === type && p.instrumentUid === uid,
@@ -40,8 +39,8 @@ export function instrumentPosition(
     currentValue,
     absoluteReturn,
     averagePurchasePrice:
-      positive && totalCost
-        ? {
+      positive && totalCost ?
+          {
             currency: totalCost.currency,
             value: formatDecimal(
               divide(
@@ -50,15 +49,15 @@ export function instrumentPosition(
                 PRICE_DECIMAL_PLACES,
               ),
             ),
-          }
-        : null,
+          } :
+        null,
     returnPercent: positive ? percent(absoluteReturn, totalCost) : null,
     accounts: positions.map((p) => ({
       ...p,
       returnPercent:
-        decimalFromString(p.quantity).value > 0n
-          ? percent(p.absoluteReturn, cost(p))
-          : null,
+        decimalFromString(p.quantity).value > 0n ?
+            percent(p.absoluteReturn, cost(p)) :
+          null,
     })),
     isStale: portfolio.isStale,
     observedAt: portfolio.lastSuccessfulAt,
@@ -66,8 +65,8 @@ export function instrumentPosition(
 }
 function cost(position: PortfolioPositionDto): MoneyDto | null {
   const price = position.averagePurchasePrice;
-  return price
-    ? {
+  return price ?
+      {
         currency: price.currency,
         value: formatDecimal(
           multiply(
@@ -75,16 +74,17 @@ function cost(position: PortfolioPositionDto): MoneyDto | null {
             decimalFromString(position.quantity),
           ),
         ),
-      }
-    : null;
+      } :
+    null;
 }
 function sumComplete(values: (MoneyDto | null)[]): MoneyDto | null {
   const currency = values[0]?.currency;
   if (
     !currency ||
     !values.every((v): v is MoneyDto => v !== null && v.currency === currency)
-  )
+  ) {
     return null;
+  }
   return {
     currency,
     value: formatDecimal(
@@ -98,14 +98,15 @@ function sumComplete(values: (MoneyDto | null)[]): MoneyDto | null {
 function percent(
   result: MoneyDto | null,
   base: MoneyDto | null,
-): string | null {
+): null | string {
   if (
     !base ||
     !result ||
     base.currency !== result.currency ||
     decimalFromString(base.value).value <= 0n
-  )
+  ) {
     return null;
+  }
   return formatDecimal(
     divide(
       multiply(decimalFromString(result.value), decimalFromString('100')),