chore: strengthen backend eslint profile

src/modules/investments/instruments/stocks/application/get-stock-company.use-case.ts

@@ -1,5 +1,7 @@
 import { Injectable } from '@nestjs/common';
+
 import type { TbankFundamentals } from '../../../../../integrations/tbank/tbank.api';
+
 import { CatalogEnrichmentService } from '../../application/catalog-enrichment.service';
 import {
   StockCompanyResourceDto,
@@ -21,8 +23,8 @@ export class GetStockCompanyUseCase {
       observe,
     );
     return {
-      data: result.values.instrument
-        ? {
+      data: result.values.instrument ?
+          {
             description: result.values.description ?? null,
             metrics: metrics(
               result.values.fundamentals ?? null,
@@ -30,14 +32,14 @@ export class GetStockCompanyUseCase {
             ),
             unavailable: result.unavailable,
             observedAt: result.observedAt,
-          }
-        : null,
+          } :
+        null,
       meta: result.meta,
     };
   }
 }
 export function metrics(
-  values: TbankFundamentals | null,
+  values: null | TbankFundamentals,
   sector?: string,
 ): StockMetricDto[] {
   if (!values) return [];
@@ -49,30 +51,31 @@ export function metrics(
   ][] = [
     ['marketCapitalization', 'money', null],
     ['peRatioTtm', 'ratio', 'TTM'],
-    ...(bank
-      ? ([
+    ...(bank ?
+        ([
           ['priceToBookTtm', 'ratio', 'TTM'],
           ['roe', 'percent', null],
-        ] as typeof selection)
-      : ([
+        ] as typeof selection) :
+        ([
           ['revenueTtm', 'money', 'TTM'],
           ['ebitdaTtm', 'money', 'TTM'],
         ] as typeof selection)),
     ['netIncomeTtm', 'money', 'TTM'],
-    ...(!bank
-      ? ([
+    ...(!bank ?
+        ([
           ['totalDebtMrq', 'money', 'MRQ'],
           ['netDebtToEbitda', 'ratio', null],
-        ] as typeof selection)
-      : []),
+        ] as typeof selection) :
+        []),
   ];
   return selection.flatMap(([key, unit, period]) => {
+    // eslint-disable-next-line security/detect-object-injection -- Keys come from the fixed metric selection declared above.
     const value = values[key];
     const currency = values.currency?.toUpperCase() || null;
     return typeof value === 'number' &&
       Number.isFinite(value) &&
-      (unit !== 'money' || currency)
-      ? [
+      (unit !== 'money' || currency) ?
+        [
           {
             key,
             value,
@@ -80,7 +83,7 @@ export function metrics(
             period,
             currency: unit === 'money' ? currency : null,
           },
-        ]
-      : [];
+        ] :
+        [];
   });
 }

src/modules/investments/instruments/stocks/application/stock-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 { TbankShare } 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 {
   StockDto,
@@ -30,9 +32,9 @@ export class StockCatalogService {
       data:
         result.data?.map((item) => {
           const short = stock(item);
-          const detail = item.detail
-            ? stock({ ...item.detail, uid: item.uid })
-            : short;
+          const detail = item.detail ?
+              stock({ ...item.detail, uid: item.uid }) :
+            short;
           const last = item.price;
           return {
             ...detail,
@@ -40,17 +42,18 @@ export class StockCatalogService {
             isin: detail.isin ?? short.isin,
             apiTradeAvailable: short.apiTradeAvailable,
             price:
-              last?.price && detail.currency
-                ? {
+              last?.price && detail.currency ?
+                  {
                     currency: detail.currency,
                     value: formatDecimal(decimal(last.price)),
-                  }
-                : null,
+                  } :
+                null,
             priceAt: timestamp(last?.time),
           };
         }) ?? null,
     };
   }
+
   async get(
     userId: string,
     uid: string,
@@ -59,11 +62,12 @@ export class StockCatalogService {
     const result = await this.discovery.detail(userId, 'share', uid, observe);
     return {
       ...result,
-      data: result.data
-        ? { ...stock(result.data), slug: result.data.slug }
-        : null,
+      data: result.data ?
+          { ...stock(result.data), slug: result.data.slug } :
+        null,
     };
   }
+
   async getByTicker(
     userId: string,
     ticker: string,
@@ -77,9 +81,9 @@ export class StockCatalogService {
     );
     return {
       ...result,
-      data: result.data
-        ? { ...stock(result.data), slug: result.data.slug }
-        : null,
+      data: result.data ?
+          { ...stock(result.data), slug: result.data.slug } :
+        null,
     };
   }
 }

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

@@ -1,27 +1,28 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
+
 import {
   decimalFromString,
   formatDecimal,
   multiply,
 } from '../../../../../common/decimal';
+import { decimal } from '../../../../../integrations/tbank/decimal';
 import {
   TbankAccessService,
   type TbankDividend,
 } from '../../../../../integrations/tbank/tbank.api';
 import {
-  PortfolioService,
   ForecastService,
+  PortfolioService,
 } from '../../../portfolio/portfolio.api';
 import { CatalogEnrichmentService } from '../../application/catalog-enrichment.service';
 import { moscowDay, timestamp } from '../../application/instrument-market';
 import { instrumentPosition } from '../../application/instrument-position';
 import {
+  StockDividendDto,
   StockDividendsDto,
   StockDividendsResourceDto,
   StockPositionDto,
-  StockDividendDto,
 } from '../presentation/stock.dto';
-import { decimal } from '../../../../../integrations/tbank/decimal';
 const ISO_YEAR_LENGTH = 4;
 const INCOME_HISTORY_YEARS = 5;
 @Injectable()
@@ -40,6 +41,7 @@ export class StockIncomeService {
       meta: { ...saved.meta, resourceKey: `stock/position/${uid}` },
     };
   }
+
   async dividends(
     userId: string,
     uid: string,
@@ -58,21 +60,22 @@ export class StockIncomeService {
       ['detail', 'dividends'],
       { 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?.dividends;
-    const position = portfolio.data
-      ? instrumentPosition(portfolio.data, uid, 'STOCK')
-      : null;
-    const projected = events
-      ? stockDividends(
+    const position = portfolio.data ?
+        instrumentPosition(portfolio.data, uid, 'STOCK') :
+      null;
+    const projected = events ?
+        stockDividends(
           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,
@@ -83,9 +86,9 @@ export class StockIncomeService {
       candidate:
         portfolio.data && sources[0].instrument ? projected : undefined,
     });
-    return result.data || !projected
-      ? result
-      : {
+    return result.data || !projected ?
+      result :
+        {
           data: stockDividends(
             events ?? [],
             null,
@@ -100,7 +103,7 @@ export class StockIncomeService {
 
 export function stockDividends(
   events: TbankDividend[],
-  position: StockPositionDto | null,
+  position: null | StockPositionDto,
   window: { from: string; to: string; today: string },
   observedAt: string,
   positionUnavailable: boolean,
@@ -109,9 +112,9 @@ export function stockDividends(
   const quantity =
     position &&
     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 dividends: StockDividendDto[] = events
     .filter((event) => event.dividendType?.toLowerCase() !== 'cancelled')
     .map((event) => {
@@ -120,29 +123,29 @@ export function stockDividends(
       const lastBuyDate = timestamp(event.lastBuyDate)?.slice(0, 10) ?? null;
       const currency = event.dividendNet?.currency?.toUpperCase();
       const perShare =
-        currency && event.dividendNet
-          ? { currency, value: formatDecimal(decimal(event.dividendNet)) }
-          : null;
+        currency && event.dividendNet ?
+            { currency, value: formatDecimal(decimal(event.dividendNet)) } :
+          null;
       // A future payment can have an already-fixed register: keep the event, but do not estimate entitlement from today's holding.
       const eventDate = paymentDate ?? recordDate;
-      const timing: StockDividendDto['timing'] = eventDate
-        ? eventDate >= today
-          ? 'upcoming'
-          : 'past'
-        : 'undated';
+      const timing: StockDividendDto['timing'] = eventDate ?
+        eventDate >= today ?
+          'upcoming' :
+          'past' :
+        'undated';
       const estimatedAmount =
         quantity &&
         perShare &&
         recordDate &&
         recordDate >= today &&
-        timing === 'upcoming'
-          ? {
+        timing === 'upcoming' ?
+            {
               currency: perShare.currency,
               value: formatDecimal(
                 multiply(quantity, decimalFromString(perShare.value)),
               ),
-            }
-          : null;
+            } :
+          null;
       return {
         perShare,
         recordDate,

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,
   };

src/modules/investments/instruments/stocks/application/stock.spec.ts

@@ -1,7 +1,7 @@
+import { previousClose } from '../../application/instrument-market';
 import { metrics } from './get-stock-company.use-case';
 import { stockDividends } from './stock-income.service';
 import { stockQuote } from './stock-market.service';
-import { previousClose } from '../../application/instrument-market';
 jest.mock('../../../../../prisma/prisma.service', () => ({
   PrismaService: class {},
 }));

src/modules/investments/instruments/stocks/presentation/stock.controller.ts

@@ -1,4 +1,5 @@
-import { InvestmentReadQueryDto } from '../../../investment-resource.dto';
+import type { Request } from 'express';
+
 import {
   Controller,
   Get,
@@ -9,25 +10,26 @@ 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 { GetStockCompanyUseCase } from '../application/get-stock-company.use-case';
+import { StockCatalogService } from '../application/stock-catalog.service';
 import { StockIncomeService } from '../application/stock-income.service';
 import { StockMarketService } from '../application/stock-market.service';
 import {
-  StockCandlesResourceDto,
   StockCandlesQueryDto,
+  StockCandlesResourceDto,
   StockCompanyResourceDto,
   StockDividendsResourceDto,
-  StockResourceDto,
   StockPositionResourceDto,
   StockQuoteResourceDto,
+  StockResourceDto,
   StockSearchQueryDto,
   StockSearchResourceDto,
   StockTickerParamsDto,
 } from './stock.dto';
-import { StockCatalogService } from '../application/stock-catalog.service';
 
 @ApiTags('stocks')
 @ApiProblemResponses()
@@ -41,6 +43,7 @@ export class StockController {
     private readonly income: StockIncomeService,
     private readonly companyInfo: GetStockCompanyUseCase,
   ) {}
+
   @Get()
   @ApiOkResponse({ type: StockSearchResourceDto })
   search(
@@ -53,6 +56,7 @@ export class StockController {
       query.sync === 'observe',
     );
   }
+
   @Get('by-ticker/:ticker')
   @ApiOkResponse({ type: StockResourceDto })
   getByTicker(
@@ -66,6 +70,7 @@ export class StockController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid')
   @ApiOkResponse({ type: StockResourceDto })
   get(
@@ -75,6 +80,7 @@ export class StockController {
   ) {
     return this.stocks.get(request.user.sub, uid, query.sync === 'observe');
   }
+
   @Get(':uid/quote')
   @ApiOkResponse({ type: StockQuoteResourceDto })
   quote(
@@ -84,6 +90,7 @@ export class StockController {
   ) {
     return this.market.quote(request.user.sub, uid, query.sync === 'observe');
   }
+
   @Get(':uid/candles')
   @ApiOkResponse({ type: StockCandlesResourceDto })
   candles(
@@ -98,6 +105,7 @@ export class StockController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid/position')
   @ApiOkResponse({ type: StockPositionResourceDto })
   position(
@@ -111,6 +119,7 @@ export class StockController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid/company')
   @ApiOkResponse({ type: StockCompanyResourceDto })
   company(
@@ -124,6 +133,7 @@ export class StockController {
       query.sync === 'observe',
     );
   }
+
   @Get(':uid/dividends')
   @ApiOkResponse({ type: StockDividendsResourceDto })
   dividends(

src/modules/investments/instruments/stocks/presentation/stock.dto.ts

@@ -1,7 +1,3 @@
-import {
-  InvestmentReadQueryDto,
-  InvestmentResourceMetaDto,
-} from '../../../investment-resource.dto';
 import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
 import { Transform } from 'class-transformer';
 import {
@@ -12,7 +8,12 @@ import {
   MaxLength,
   MinLength,
 } from 'class-validator';
+
 import { MoneyDto } from '../../../../../common/money.dto';
+import {
+  InvestmentReadQueryDto,
+  InvestmentResourceMetaDto,
+} from '../../../investment-resource.dto';
 import { PortfolioPositionDto } from '../../../portfolio/portfolio.api';
 
 const MAX_INSTRUMENT_QUERY_LENGTH = 80;
@@ -36,7 +37,7 @@ export class StockTickerParamsDto {
   @IsString()
   @MinLength(1)
   @MaxLength(MAX_INSTRUMENT_QUERY_LENGTH)
-  @Matches(/^[A-Za-z0-9][A-Za-z0-9._@+-]*$/)
+  @Matches(/^[A-Z0-9][\w.@+-]*$/i)
   declare ticker: string;
 }
 export class StockCandlesQueryDto extends InvestmentReadQueryDto {
@@ -46,7 +47,7 @@ export class StockCandlesQueryDto extends InvestmentReadQueryDto {
   })
   @IsOptional()
   @IsIn(['month', 'halfYear', 'year', 'all'])
-  period?: 'month' | 'halfYear' | 'year' | 'all';
+  period?: 'all' | 'halfYear' | 'month' | 'year';
 }
 export class StockDto {
   @ApiProperty({ format: 'uuid' }) declare instrumentUid: string;
@@ -54,48 +55,63 @@ export class StockDto {
     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;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare shareType:
-    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;
 }
 export class StockSearchResultDto extends StockDto {
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare price: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare priceAt: string | null;
+  declare priceAt: null | string;
 }
 export class StockQuoteDto {
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare price: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare priceAt: string | null;
+  declare priceAt: null | string;
+
   @ApiProperty({ type: String, nullable: true }) declare tradingStatus:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare change: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true }) declare changePercent:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date' })
-  declare previousCloseDate: string | null;
+  declare previousCloseDate: null | string;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare previousClose: MoneyDto | null;
-  @ApiProperty({ type: [String] }) declare unavailable: string[];
+
+  @ApiProperty({ type: String, isArray: true }) declare unavailable: string[];
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
 export class StockCandleDto {
@@ -104,29 +120,36 @@ export class StockCandleDto {
   @ApiProperty() declare isComplete: boolean;
 }
 export class StockCandlesDto {
-  @ApiProperty({ type: [StockCandleDto] }) declare candles: StockCandleDto[];
+  @ApiProperty({ type: StockCandleDto, isArray: true }) declare candles: StockCandleDto[];
   @ApiProperty({ type: String, nullable: true }) declare currency:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare historyFrom: string | null;
+  declare historyFrom: null | string;
+
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
 export class StockPositionRowDto extends PortfolioPositionDto {
   @ApiProperty({ type: String, nullable: true }) declare returnPercent:
-    string | null;
+    null | string;
 }
 export class StockPositionDto {
   @ApiProperty() declare quantity: string;
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare currentValue: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare averagePurchasePrice: MoneyDto | null;
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare absoluteReturn: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true }) declare returnPercent:
-    string | null;
-  @ApiProperty({ type: [StockPositionRowDto] })
+    null | string;
+
+  @ApiProperty({ type: StockPositionRowDto, isArray: true })
   declare accounts: StockPositionRowDto[];
+
   @ApiProperty() declare isStale: boolean;
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
@@ -134,90 +157,108 @@ export class StockMetricDto {
   @ApiProperty() declare key: string;
   @ApiProperty() declare value: number;
   @ApiProperty({ enum: ['money', 'ratio', 'percent'] }) declare unit:
-    'money' | 'ratio' | 'percent';
+    'money' | 'percent' | 'ratio';
+
   @ApiProperty({ type: String, nullable: true }) declare currency:
-    string | null;
+    null | string;
+
   @ApiProperty({ type: String, nullable: true, enum: ['TTM', 'MRQ'] })
-  declare period: 'TTM' | 'MRQ' | null;
+  declare period: 'MRQ' | 'TTM' | null;
 }
 export class StockCompanyDto {
   @ApiProperty({ type: String, nullable: true }) declare description:
-    string | null;
-  @ApiProperty({ type: [StockMetricDto] }) declare metrics: StockMetricDto[];
-  @ApiProperty({ type: [String] }) declare unavailable: string[];
+    null | string;
+
+  @ApiProperty({ type: StockMetricDto, isArray: true }) declare metrics: StockMetricDto[];
+  @ApiProperty({ type: String, isArray: true }) declare unavailable: string[];
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
 }
 export class StockDividendDto {
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare perShare: MoneyDto | null;
+
   @ApiProperty({ type: String, nullable: true, format: 'date' })
-  declare recordDate: string | null;
+  declare recordDate: null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date' })
-  declare lastBuyDate: string | null;
+  declare lastBuyDate: null | string;
+
   @ApiProperty({ type: String, nullable: true, format: 'date' })
-  declare paymentDate: string | null;
+  declare paymentDate: null | string;
+
   @ApiProperty({ enum: ['upcoming', 'past', 'undated'] }) declare timing:
-    'upcoming' | 'past' | 'undated';
+    'past' | 'undated' | 'upcoming';
+
   @ApiProperty({ type: MoneyDto, nullable: true })
   declare estimatedAmount: MoneyDto | null;
 }
 export class StockDividendsDto {
-  @ApiProperty({ type: [StockDividendDto] })
+  @ApiProperty({ type: StockDividendDto, isArray: true })
   declare dividends: StockDividendDto[];
+
   @ApiProperty({ format: 'date' }) declare from: string;
   @ApiProperty({ format: 'date' }) declare to: string;
   @ApiProperty({ format: 'date-time' }) declare observedAt: string;
   @ApiProperty({ type: String, nullable: true, format: 'date-time' })
-  declare positionAt: string | null;
+  declare positionAt: null | string;
+
   @ApiProperty() declare estimateUnavailable: boolean;
   @ApiProperty() declare positionIsStale: boolean;
 }
 
 export class StockPositionResourceDto {
   @ApiProperty({ type: StockPositionDto, nullable: true })
-  declare data: StockPositionDto | null;
+  declare data: null | StockPositionDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockSearchResourceDto {
+  // 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: StockSearchResultDto, isArray: true, nullable: true })
-  declare data: StockSearchResultDto[] | null;
+  declare data: null | StockSearchResultDto[];
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockResourceDto {
   @ApiProperty({ type: StockDto, nullable: true })
-  declare data: StockDto | null;
+  declare data: null | StockDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockQuoteResourceDto {
   @ApiProperty({ type: StockQuoteDto, nullable: true })
-  declare data: StockQuoteDto | null;
+  declare data: null | StockQuoteDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockCompanyResourceDto {
   @ApiProperty({ type: StockCompanyDto, nullable: true })
-  declare data: StockCompanyDto | null;
+  declare data: null | StockCompanyDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockCandlesResourceDto {
   @ApiProperty({ type: StockCandlesDto, nullable: true })
-  declare data: StockCandlesDto | null;
+  declare data: null | StockCandlesDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }
 
 export class StockDividendsResourceDto {
   @ApiProperty({ type: StockDividendsDto, nullable: true })
-  declare data: StockDividendsDto | null;
+  declare data: null | StockDividendsDto;
+
   @ApiProperty({ type: InvestmentResourceMetaDto })
   declare meta: InvestmentResourceMetaDto;
 }