chore: strengthen backend eslint profile

src/modules/investments/instruments/stocks/application/stock-market.service.ts

@@ -1,9 +1,5 @@
-import { CandleService } from '../../application/candle.service';
-import {
-  CatalogEnrichmentService,
-  type CatalogPayload,
-} from '../../application/catalog-enrichment.service';
 import { Injectable } from '@nestjs/common';
+
 import {
   decimalFromString,
   divide,
@@ -12,6 +8,11 @@ import {
   subtract,
 } from '../../../../../common/decimal';
 import { decimal } from '../../../../../integrations/tbank/decimal';
+import { CandleService } from '../../application/candle.service';
+import {
+  CatalogEnrichmentService,
+  type CatalogPayload,
+} from '../../application/catalog-enrichment.service';
 import { timestamp } from '../../application/instrument-market';
 import {
   StockCandlesQueryDto,
@@ -26,6 +27,7 @@ export class StockMarketService {
     private readonly history: CandleService,
     private readonly sources: CatalogEnrichmentService,
   ) {}
+
   async quote(
     userId: string,
     uid: string,
@@ -39,12 +41,13 @@ export class StockMarketService {
       observe,
     );
     return {
-      data: result.values.instrument
-        ? stockQuote(result.values, result.unavailable, result.observedAt)
-        : null,
+      data: result.values.instrument ?
+          stockQuote(result.values, result.unavailable, result.observedAt) :
+        null,
       meta: result.meta,
     };
   }
+
   candles(
     userId: string,
     uid: string,
@@ -69,20 +72,20 @@ export function stockQuote(
   const priceAt = timestamp(last?.time);
   const currency = share?.currency?.toUpperCase();
   const price =
-    last?.price && currency
-      ? { currency, value: formatDecimal(decimal(last.price)) }
-      : null;
+    last?.price && currency ?
+        { currency, value: formatDecimal(decimal(last.price)) } :
+      null;
   const previousPrice =
-    previous?.close && currency
-      ? { currency, value: formatDecimal(decimal(previous.close)) }
-      : null;
+    previous?.close && currency ?
+        { currency, value: formatDecimal(decimal(previous.close)) } :
+      null;
   const difference =
-    price && previousPrice
-      ? subtract(
+    price && previousPrice ?
+        subtract(
           decimalFromString(price.value),
           decimalFromString(previousPrice.value),
-        )
-      : null;
+        ) :
+      null;
   return {
     price,
     priceAt,
@@ -90,21 +93,21 @@ export function stockQuote(
     previousCloseDate: timestamp(previous?.time)?.slice(0, 10) ?? null,
     previousClose: previousPrice,
     change:
-      difference && currency
-        ? { currency, value: formatDecimal(difference) }
-        : null,
+      difference && currency ?
+          { currency, value: formatDecimal(difference) } :
+        null,
     changePercent:
       difference &&
       previousPrice &&
-      decimalFromString(previousPrice.value).value > 0n
-        ? formatDecimal(
+      decimalFromString(previousPrice.value).value > 0n ?
+          formatDecimal(
             divide(
               multiply(difference, decimalFromString('100')),
               decimalFromString(previousPrice.value),
               CHANGE_PERCENT_DECIMAL_PLACES,
             ),
-          )
-        : null,
+          ) :
+        null,
     unavailable,
     observedAt,
   };