chore: strengthen backend eslint profile

src/modules/investments/instruments/bonds/application/bond-catalog.service.ts

@@ -1,8 +1,10 @@
-import { CatalogDiscoveryService } from '../../application/catalog-discovery.service';
 import { Injectable } from '@nestjs/common';
-import { formatDecimal } from '../../../../../common/decimal';
+
 import type { TbankBond } from '../../../../../integrations/tbank/tbank.api';
+
+import { formatDecimal } from '../../../../../common/decimal';
 import { decimal } from '../../../../../integrations/tbank/decimal';
+import { CatalogDiscoveryService } from '../../application/catalog-discovery.service';
 import { timestamp } from '../../application/instrument-market';
 import {
   BondDto,
@@ -32,23 +34,24 @@ export class BondCatalogService {
       data:
         result.data?.map((item) => {
           const short = toBond(item);
-          const detail = item.detail
-            ? toBond({ ...item.detail, uid: item.uid })
-            : short;
+          const detail = item.detail ?
+              toBond({ ...item.detail, uid: item.uid }) :
+            short;
           const last = item.price;
           return {
             ...detail,
             classCode: detail.classCode ?? short.classCode,
             isin: detail.isin ?? short.isin,
             apiTradeAvailable: short.apiTradeAvailable,
-            pricePercent: last?.price
-              ? formatDecimal(decimal(last.price))
-              : null,
+            pricePercent: last?.price ?
+                formatDecimal(decimal(last.price)) :
+              null,
             priceAt: timestamp(last?.time),
           };
         }) ?? null,
     };
   }
+
   async get(
     userId: string,
     uid: string,
@@ -57,11 +60,12 @@ export class BondCatalogService {
     const result = await this.discovery.detail(userId, 'bond', uid, observe);
     return {
       ...result,
-      data: result.data
-        ? { ...toBond(result.data), slug: result.data.slug }
-        : null,
+      data: result.data ?
+          { ...toBond(result.data), slug: result.data.slug } :
+        null,
     };
   }
+
   async getByTicker(
     userId: string,
     ticker: string,
@@ -75,9 +79,9 @@ export class BondCatalogService {
     );
     return {
       ...result,
-      data: result.data
-        ? { ...toBond(result.data), slug: result.data.slug }
-        : null,
+      data: result.data ?
+          { ...toBond(result.data), slug: result.data.slug } :
+        null,
     };
   }
 }

src/modules/investments/instruments/bonds/application/bond-income.service.ts

@@ -1,18 +1,19 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
+
 import {
   decimalFromString,
+  divide,
   formatDecimal,
   multiply,
-  divide,
 } from '../../../../../common/decimal';
 import {
   TbankAccessService,
-  type TbankCoupon,
   type TbankBond,
+  type TbankCoupon,
 } from '../../../../../integrations/tbank/tbank.api';
 import {
-  PortfolioService,
   ForecastService,
+  PortfolioService,
 } from '../../../portfolio/portfolio.api';
 import {
   CatalogEnrichmentService,
@@ -20,14 +21,14 @@ import {
 } from '../../application/catalog-enrichment.service';
 import { moscowDay, timestamp } from '../../application/instrument-market';
 import { instrumentPosition } from '../../application/instrument-position';
+import { money } from '../infrastructure/bond-money.mapper';
 import {
   BondCouponsDto,
   BondCouponsResourceDto,
-  BondPositionDto,
   BondMetricsDto,
   BondMetricsResourceDto,
+  BondPositionDto,
 } from '../presentation/bond.dto';
-import { money } from '../infrastructure/bond-money.mapper';
 import { bondQuote } from './bond-market.service';
 const ISO_YEAR_LENGTH = 4;
 const INCOME_HISTORY_YEARS = 5;
@@ -40,6 +41,7 @@ export class BondIncomeService {
     private readonly access: TbankAccessService,
     private readonly forecasts: ForecastService,
   ) {}
+
   async metrics(
     userId: string,
     uid: string,
@@ -53,9 +55,9 @@ export class BondIncomeService {
       observe,
     );
     return {
-      data: result.values.instrument
-        ? bondMetrics(result.values, result.unavailable, result.observedAt)
-        : null,
+      data: result.values.instrument ?
+          bondMetrics(result.values, result.unavailable, result.observedAt) :
+        null,
       meta: result.meta,
     };
   }
@@ -67,6 +69,7 @@ export class BondIncomeService {
       meta: { ...saved.meta, resourceKey: `bond/position/${uid}` },
     };
   }
+
   async coupons(
     userId: string,
     uid: string,
@@ -85,21 +88,22 @@ export class BondIncomeService {
       ['detail', 'coupons'],
       { from, to },
     );
-    if (sources[0].meta.availability === 'complete' && !sources[0].instrument)
+    if (sources[0].meta.availability === 'complete' && !sources[0].instrument) {
       throw new NotFoundException();
+    }
     const events = sources[1].payload?.coupons;
-    const position = portfolio.data
-      ? instrumentPosition(portfolio.data, uid, 'BOND')
-      : null;
-    const projected = events
-      ? bondCoupons(
+    const position = portfolio.data ?
+        instrumentPosition(portfolio.data, uid, 'BOND') :
+      null;
+    const projected = events ?
+        bondCoupons(
           events,
           position,
           { from, to, today },
           sources[1].meta.lastSuccessfulAt ?? new Date().toISOString(),
           !portfolio.data,
-        )
-      : undefined;
+        ) :
+      undefined;
     const result = await this.forecasts.result({
       userId,
       revision: connection.revision,
@@ -110,9 +114,9 @@ export class BondIncomeService {
       candidate:
         portfolio.data && sources[0].instrument ? projected : undefined,
     });
-    return result.data || !projected
-      ? result
-      : {
+    return result.data || !projected ?
+      result :
+        {
           data: bondCoupons(
             events ?? [],
             null,
@@ -135,19 +139,19 @@ export function bondCoupons(
   const { from, to, today } = window;
   const quantity =
     position?.accounts.length &&
-    position.accounts.every((p) => decimalFromString(p.quantity).value > 0n)
-      ? decimalFromString(position.quantity)
-      : null;
+    position.accounts.every((p) => decimalFromString(p.quantity).value > 0n) ?
+        decimalFromString(position.quantity) :
+      null;
   const coupons = events
     .map((event) => {
       const paymentDate = timestamp(event.couponDate)?.slice(0, 10) ?? null;
       const recordDate = timestamp(event.fixDate)?.slice(0, 10) ?? null;
       const perBond = money(event.payOneBond);
-      const timing = !paymentDate
-        ? ('undated' as const)
-        : paymentDate >= today
-          ? ('upcoming' as const)
-          : ('past' as const);
+      const timing = !paymentDate ?
+          ('undated' as const) :
+        paymentDate >= today ?
+            ('upcoming' as const) :
+            ('past' as const);
       return {
         number: event.couponNumber ?? null,
         paymentDate,
@@ -161,14 +165,14 @@ export function bondCoupons(
           perBond &&
           timing === 'upcoming' &&
           recordDate &&
-          recordDate >= today
-            ? {
+          recordDate >= today ?
+              {
                 currency: perBond.currency,
                 value: formatDecimal(
                   multiply(quantity, decimalFromString(perBond.value)),
                 ),
-              }
-            : null,
+              } :
+            null,
       };
     })
     .sort((a, b) => (a.paymentDate ?? '').localeCompare(b.paymentDate ?? ''));
@@ -214,8 +218,8 @@ export function bondMetrics(
     clean &&
     coupon.currency === clean.currency &&
     decimalFromString(coupon.value).value >= 0n &&
-    decimalFromString(clean.value).value > 0n
-      ? formatDecimal(
+    decimalFromString(clean.value).value > 0n ?
+        formatDecimal(
           divide(
             multiply(
               decimalFromString(coupon.value),
@@ -227,14 +231,14 @@ export function bondMetrics(
             ),
             COUPON_YIELD_DECIMAL_PLACES,
           ),
-        )
-      : null;
+        ) :
+      null;
   const couponType =
-    next?.couponType && next.couponType !== 'COUPON_TYPE_UNSPECIFIED'
-      ? next.couponType
-      : instrument.floatingCouponFlag === true
-        ? 'COUPON_TYPE_FLOATING'
-        : null;
+    next?.couponType && next.couponType !== 'COUPON_TYPE_UNSPECIFIED' ?
+      next.couponType :
+      instrument.floatingCouponFlag === true ?
+        'COUPON_TYPE_FLOATING' :
+        null;
   return {
     creditRating,
     coupon,

src/modules/investments/instruments/bonds/application/bond-market.service.ts

@@ -1,10 +1,7 @@
-import { CandleService } from '../../application/candle.service';
-import type { TbankBond } from '../../../../../integrations/tbank/tbank.api';
-import {
-  CatalogEnrichmentService,
-  type CatalogPayload,
-} from '../../application/catalog-enrichment.service';
 import { Injectable } from '@nestjs/common';
+
+import type { TbankBond } from '../../../../../integrations/tbank/tbank.api';
+
 import {
   add,
   decimalFromString,
@@ -14,15 +11,19 @@ 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 { money } from '../infrastructure/bond-money.mapper';
 import {
   BondCandlesQueryDto,
   BondQuoteDto,
   BondQuoteResourceDto,
 } from '../presentation/bond.dto';
 
-import { money } from '../infrastructure/bond-money.mapper';
-
 const PRICE_DECIMAL_PLACES = 9;
 @Injectable()
 export class BondMarketService {
@@ -30,6 +31,7 @@ export class BondMarketService {
     private readonly history: CandleService,
     private readonly sources: CatalogEnrichmentService,
   ) {}
+
   async quote(
     userId: string,
     uid: string,
@@ -43,12 +45,13 @@ export class BondMarketService {
       observe,
     );
     return {
-      data: result.values.instrument
-        ? bondQuote(result.values, result.unavailable, result.observedAt)
-        : null,
+      data: result.values.instrument ?
+          bondQuote(result.values, result.unavailable, result.observedAt) :
+        null,
       meta: result.meta,
     };
   }
+
   candles(
     userId: string,
     uid: string,
@@ -77,8 +80,8 @@ export function bondQuote(
   const cleanPrice =
     pricePercent !== null &&
     nominal &&
-    decimalFromString(nominal.value).value > 0n
-      ? {
+    decimalFromString(nominal.value).value > 0n ?
+        {
           currency: nominal.currency,
           value: formatDecimal(
             divide(
@@ -90,11 +93,11 @@ export function bondQuote(
               PRICE_DECIMAL_PLACES,
             ),
           ),
-        }
-      : null;
+        } :
+      null;
   const dirtyPrice =
-    cleanPrice && aci && aci.currency === cleanPrice.currency
-      ? {
+    cleanPrice && aci && aci.currency === cleanPrice.currency ?
+        {
           currency: cleanPrice.currency,
           value: formatDecimal(
             add(
@@ -102,8 +105,8 @@ export function bondQuote(
               decimalFromString(aci.value),
             ),
           ),
-        }
-      : null;
+        } :
+      null;
   return {
     pricePercent,
     cleanPrice,
@@ -112,9 +115,9 @@ export function bondQuote(
     priceAt,
     tradingStatus,
     changePercentagePoints:
-      last?.price && previous?.close
-        ? formatDecimal(subtract(decimal(last.price), decimal(previous.close)))
-        : null,
+      last?.price && previous?.close ?
+          formatDecimal(subtract(decimal(last.price), decimal(previous.close))) :
+        null,
     previousCloseDate: timestamp(previous?.time)?.slice(0, 10) ?? null,
     unavailable,
     observedAt,

src/modules/investments/instruments/bonds/application/bond.spec.ts

@@ -1,7 +1,8 @@
+import type { PortfolioDto } from '../../../portfolio/portfolio.api';
+
+import { instrumentPosition } from '../../application/instrument-position';
 import { bondCoupons, bondMetrics } from './bond-income.service';
 import { bondQuote } from './bond-market.service';
-import { instrumentPosition } from '../../application/instrument-position';
-import type { PortfolioDto } from '../../../portfolio/portfolio.api';
 jest.mock('../../../../../prisma/prisma.service', () => ({
   PrismaService: class {},
 }));
@@ -122,9 +123,9 @@ describe('bond financial projections', () => {
             {
               couponDate: time('2026-10-10'),
               payOneBond:
-                scenario === 'unknown'
-                  ? undefined
-                  : money('30', scenario === 'currency' ? 'usd' : 'rub'),
+                scenario === 'unknown' ?
+                  undefined :
+                    money('30', scenario === 'currency' ? 'usd' : 'rub'),
               couponPeriod: scenario === 'period' ? 0 : 90,
             },
           ],

src/modules/investments/instruments/bonds/infrastructure/bond-money.mapper.ts

@@ -1,10 +1,10 @@
 import { formatDecimal } from '../../../../../common/decimal';
-import { type TbankMoney } from '../../../../../integrations/tbank/tbank.api';
 import { decimal } from '../../../../../integrations/tbank/decimal';
+import { type TbankMoney } from '../../../../../integrations/tbank/tbank.api';
 
 export function money(value?: TbankMoney) {
   const currency = value?.currency?.toUpperCase();
-  return value && currency
-    ? { currency, value: formatDecimal(decimal(value)) }
-    : null;
+  return value && currency ?
+      { currency, value: formatDecimal(decimal(value)) } :
+    null;
 }

src/modules/investments/instruments/bonds/presentation/bond.controller.ts

@@ -1,4 +1,5 @@
-import { InvestmentReadQueryDto } from '../../../investment-resource.dto';
+import type { Request } from 'express';
+
 import {
   Controller,
   Get,
@@ -9,24 +10,25 @@ import {
   UseGuards,
 } from '@nestjs/common';
 import { ApiBearerAuth, ApiOkResponse, ApiTags } from '@nestjs/swagger';
-import type { Request } from 'express';
+
 import { ApiProblemResponses } from '../../../../../common/decorators/api-safe-error-response.decorator';
 import { AccessPayload, JwtAuthGuard } from '../../../../auth/auth.api';
+import { InvestmentReadQueryDto } from '../../../investment-resource.dto';
+import { BondCatalogService } from '../application/bond-catalog.service';
 import { BondIncomeService } from '../application/bond-income.service';
 import { BondMarketService } from '../application/bond-market.service';
 import {
-  BondCandlesResourceDto,
   BondCandlesQueryDto,
+  BondCandlesResourceDto,
   BondCouponsResourceDto,
-  BondResourceDto,
   BondMetricsResourceDto,
   BondPositionResourceDto,
   BondQuoteResourceDto,
+  BondResourceDto,
   BondSearchQueryDto,
   BondSearchResourceDto,
   BondTickerParamsDto,
 } from './bond.dto';
-import { BondCatalogService } from '../application/bond-catalog.service';
 
 @ApiTags('bonds')
 @ApiProblemResponses()
@@ -39,6 +41,7 @@ export class BondController {
     private readonly market: BondMarketService,
     private readonly income: BondIncomeService,
   ) {}
+
   @Get(':uid/metrics')
   @ApiOkResponse({ type: BondMetricsResourceDto })
   metrics(
@@ -48,6 +51,7 @@ export class BondController {
   ) {
     return this.income.metrics(request.user.sub, uid, query.sync === 'observe');
   }
+
   @Get()
   @ApiOkResponse({ type: BondSearchResourceDto })
   search(
@@ -60,6 +64,7 @@ export class BondController {
       query.sync === 'observe',
     );
   }
+
   @Get('by-ticker/:ticker')
   @ApiOkResponse({ type: BondResourceDto })
   getByTicker(
@@ -73,6 +78,7 @@ export class BondController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid')
   @ApiOkResponse({ type: BondResourceDto })
   get(
@@ -82,6 +88,7 @@ export class BondController {
   ) {
     return this.bonds.get(request.user.sub, uid, query.sync === 'observe');
   }
+
   @Get(':uid/quote')
   @ApiOkResponse({ type: BondQuoteResourceDto })
   quote(
@@ -91,6 +98,7 @@ export class BondController {
   ) {
     return this.market.quote(request.user.sub, uid, query.sync === 'observe');
   }
+
   @Get(':uid/candles')
   @ApiOkResponse({ type: BondCandlesResourceDto })
   candles(
@@ -105,6 +113,7 @@ export class BondController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid/position')
   @ApiOkResponse({ type: BondPositionResourceDto })
   position(
@@ -118,6 +127,7 @@ export class BondController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid/coupons')
   @ApiOkResponse({ type: BondCouponsResourceDto })
   coupons(

src/modules/investments/instruments/bonds/presentation/bond.dto.ts

@@ -1,7 +1,7 @@
-import { InvestmentResourceMetaDto } from '../../../investment-resource.dto';
 import { ApiProperty } from '@nestjs/swagger';
-import { MoneyDto } from '../../../../../common/money.dto';
 
+import { MoneyDto } from '../../../../../common/money.dto';
+import { InvestmentResourceMetaDto } from '../../../investment-resource.dto';
 import {
   StockCandlesDto,
   StockCandlesQueryDto,
@@ -20,44 +20,61 @@ export class BondDto {
     description: 'Unambiguous ticker URL segment, or the exact instrument UID.',
   })
   declare slug: string;
+
   @ApiProperty() declare name: string;
-  @ApiProperty({ type: String, nullable: true }) declare isin: string | null;
+  @ApiProperty({ type: String, nullable: true }) declare isin: null | string;
   @ApiProperty({ type: String, nullable: true }) declare classCode:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare realExchange:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: Boolean, nullable: true }) declare apiTradeAvailable:
     boolean | null;
-  @ApiProperty({ type: String, nullable: true }) declare ticker: string | null;
+
+  @ApiProperty({ type: String, nullable: true }) declare ticker: null | string;
   @ApiProperty({ type: String, nullable: true }) declare logoName:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare currency:
-    string | null;
-  @ApiProperty({ type: String, nullable: true }) declare sector: string | null;
-  @ApiProperty({ type: Number, nullable: true }) declare lot: number | null;
+    null | string;
+
+  @ApiProperty({ type: String, nullable: true }) declare sector: null | string;
+  @ApiProperty({ type: Number, nullable: true }) declare lot: null | number;
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare historyFrom: string | null;
+  declare historyFrom: null | string;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare nominal: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare initialNominal: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true }) declare aci: MoneyDto | null;
   @ApiProperty({ type: String, nullable: true }) declare maturityDate:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare callDate:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare bondType:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare riskLevel:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: Number, nullable: true }) declare couponQuantityPerYear:
-    number | null;
+    null | number;
+
   @ApiProperty({ type: Boolean, nullable: true }) declare floatingCoupon:
     boolean | null;
+
   @ApiProperty({ type: Boolean, nullable: true }) declare perpetual:
     boolean | null;
+
   @ApiProperty({ type: Boolean, nullable: true }) declare amortization:
     boolean | null;
+
   @ApiProperty({ type: Boolean, nullable: true }) declare subordinated:
     boolean | null;
 }
@@ -68,13 +85,15 @@ export class BondSearchResultDto extends BondDto {
     nullable: true,
     description: 'Clean price in percent of nominal, not money.',
   })
-  declare pricePercent: string | null;
+  declare pricePercent: null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare priceAt: string | null;
+  declare priceAt: null | string;
 }
 export class BondQuoteDto {
   @ApiProperty({ type: String, nullable: true }) declare pricePercent:
-    string | null;
+    null | string;
+
   @ApiProperty({
     type: MoneyDto,
     nullable: true,
@@ -82,6 +101,7 @@ export class BondQuoteDto {
       'Indicative clean value at the current nominal; no FX conversion.',
   })
   declare cleanPrice: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true }) declare aci: MoneyDto | null;
   @ApiProperty({
     type: MoneyDto,
@@ -90,41 +110,53 @@ export class BondQuoteDto {
       'Indicative clean value plus current accrued interest, excluding fees.',
   })
   declare dirtyPrice: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true })
-  declare changePercentagePoints: string | null;
+  declare changePercentagePoints: null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare previousCloseDate:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare tradingStatus:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare priceAt: string | null;
-  @ApiProperty({ type: [String] }) declare unavailable: string[];
+  declare priceAt: null | string;
+
+  @ApiProperty({ type: String, isArray: true }) declare unavailable: string[];
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
 export class BondCouponDto {
-  @ApiProperty({ type: String, nullable: true }) declare number: string | null;
+  @ApiProperty({ type: String, nullable: true }) declare number: null | string;
   @ApiProperty({ type: String, nullable: true }) declare paymentDate:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare recordDate:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare couponType:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: Number, nullable: true }) declare periodDays:
-    number | null;
+    null | number;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare perBond: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare estimatedAmount: MoneyDto | null;
+
   @ApiProperty({ enum: ['upcoming', 'past', 'undated'] }) declare timing:
-    'upcoming' | 'past' | 'undated';
+    'past' | 'undated' | 'upcoming';
 }
 export class BondCouponsDto {
-  @ApiProperty({ type: [BondCouponDto] }) declare coupons: BondCouponDto[];
+  @ApiProperty({ type: BondCouponDto, isArray: true }) declare coupons: BondCouponDto[];
   @ApiProperty() declare from: string;
   @ApiProperty() declare to: string;
   @ApiProperty() declare observedAt: string;
   @ApiProperty({ type: String, nullable: true }) declare positionAt:
-    string | null;
+    null | string;
+
   @ApiProperty() declare estimateUnavailable: boolean;
   @ApiProperty() declare positionIsStale: boolean;
 }
@@ -132,6 +164,7 @@ export class BondCouponsDto {
 export class BondYieldDto {
   @ApiProperty({ description: 'MOEX effective annual yield in percent.' })
   declare value: string;
+
   @ApiProperty() declare pricePercent: string;
   @ApiProperty({ format: 'date' }) declare date: string;
   @ApiProperty({
@@ -139,14 +172,16 @@ export class BondYieldDto {
     nullable: true,
     description: 'MOEX yield target, e.g. MATDATE or OFFERDATE.',
   })
-  declare dateType: string | null;
+  declare dateType: null | string;
+
   @ApiProperty({ format: 'date-time' }) declare tradeAt: string;
 }
 export class BondCreditRatingDto {
   @ApiProperty({ enum: ['NCR'] }) declare agency: 'NCR';
-  @ApiProperty({ type: String, nullable: true }) declare value: string | null;
+  @ApiProperty({ type: String, nullable: true }) declare value: null | string;
   @ApiProperty({ enum: ['active', 'withdrawn'] }) declare status:
     'active' | 'withdrawn';
+
   @ApiProperty({ format: 'date' }) declare date: string;
   @ApiProperty({ format: 'uri' }) declare sourceUrl: string;
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
@@ -154,39 +189,50 @@ export class BondCreditRatingDto {
 export class BondMetricsDto {
   @ApiProperty({ type: BondCreditRatingDto, nullable: true })
   declare creditRating: BondCreditRatingDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare coupon: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true, format: 'date' })
-  declare couponDate: string | null;
+  declare couponDate: null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare couponType:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: Number, nullable: true }) declare couponPeriodDays:
-    number | null;
+    null | number;
+
   @ApiProperty({
     type: String,
     nullable: true,
     description:
       'Next coupon × 365 / period days / indicative clean price × 100. Not yield to maturity.',
   })
-  declare couponYieldPercent: string | null;
+  declare couponYieldPercent: null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare couponYieldPriceAt: string | null;
+  declare couponYieldPriceAt: null | string;
+
   @ApiProperty({ type: BondYieldDto, nullable: true })
   declare effectiveYield: BondYieldDto | null;
-  @ApiProperty({ type: [String] }) declare unavailable: string[];
+
+  @ApiProperty({ type: String, isArray: true }) declare unavailable: string[];
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
 
 export class BondPositionResourceDto {
   @ApiProperty({ type: BondPositionDto, nullable: true })
   declare data: BondPositionDto | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class BondSearchResourceDto {
+  // eslint-disable-next-line @darraghor/nestjs-typed/api-property-returning-array-should-set-array -- Nullable array union requires isArray in the explicit wire schema.
   @ApiProperty({ type: BondSearchResultDto, isArray: true, nullable: true })
   declare data: BondSearchResultDto[] | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
@@ -200,6 +246,7 @@ export class BondResourceDto {
 export class BondQuoteResourceDto {
   @ApiProperty({ type: BondQuoteDto, nullable: true })
   declare data: BondQuoteDto | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
@@ -207,6 +254,7 @@ export class BondQuoteResourceDto {
 export class BondMetricsResourceDto {
   @ApiProperty({ type: BondMetricsDto, nullable: true })
   declare data: BondMetricsDto | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
@@ -214,6 +262,7 @@ export class BondMetricsResourceDto {
 export class BondCandlesResourceDto {
   @ApiProperty({ type: BondCandlesDto, nullable: true })
   declare data: BondCandlesDto | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
@@ -221,6 +270,7 @@ export class BondCandlesResourceDto {
 export class BondCouponsResourceDto {
   @ApiProperty({ type: BondCouponsDto, nullable: true })
   declare data: BondCouponsDto | null;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }