refactor: move data query helper into params

Author: cesarenaldi

packages/client/src/actions/activity.ts

@@ -10,7 +10,7 @@ import { unwrap } from '@polymarket/types';
 import { z } from 'zod';
 import { parseUserInput } from '../input';
 import type { PolymarketClient } from '../PolymarketClient';
-import { toDataSearchParams } from './dataParams';
+import { toDataSearchParams } from './params';
 
 const ActivitySortBySchema = z.enum(['TIMESTAMP', 'TOKENS', 'CASH']);
 const SortDirectionSchema = z.enum(['ASC', 'DESC']);

packages/client/src/actions/dataParams.ts

@@ -17,8 +17,7 @@ import { unwrap } from '@polymarket/types';
 import { z } from 'zod';
 import { parseUserInput } from '../input';
 import type { PolymarketClient } from '../PolymarketClient';
-import { toDataSearchParams } from './dataParams';
-import { snakeCase, toSearchParams } from './params';
+import { snakeCase, toDataSearchParams, toSearchParams } from './params';
 
 const ListEventsRequestSchema = z.object({
   ascending: z.boolean().optional(),

packages/client/src/actions/events.ts

@@ -13,7 +13,7 @@ import { unwrap } from '@polymarket/types';
 import { z } from 'zod';
 import { parseUserInput } from '../input';
 import type { PolymarketClient } from '../PolymarketClient';
-import { toDataSearchParams } from './dataParams';
+import { toDataSearchParams } from './params';
 
 const ListBuilderLeaderboardRequestSchema = z.object({
   timePeriod: TimePeriodSchema.optional(),

packages/client/src/actions/leaderboards.ts

@@ -18,8 +18,7 @@ import { unwrap } from '@polymarket/types';
 import { z } from 'zod';
 import { parseUserInput } from '../input';
 import type { PolymarketClient } from '../PolymarketClient';
-import { toDataSearchParams } from './dataParams';
-import { snakeCase, toSearchParams } from './params';
+import { snakeCase, toDataSearchParams, toSearchParams } from './params';
 
 // The public markets endpoint forces active=true and archived=false server-side.
 const ListMarketsRequestSchema = z.object({

packages/client/src/actions/markets.ts

@@ -57,6 +57,30 @@ export function snakeCase<TParams extends SearchParamsInput>(
   };
 }
 
+/**
+ * Data endpoints use camelCase query keys and comma-separated arrays.
+ */
+export function toDataSearchParams<TParams extends SearchParamsInput>(
+  params: TParams,
+): URLSearchParams {
+  const searchParams = new URLSearchParams();
+
+  for (const [key, value] of Object.entries(params)) {
+    if (value === undefined) {
+      continue;
+    }
+
+    if (Array.isArray(value)) {
+      searchParams.append(key, value.map(toSearchParamValue).join(','));
+      continue;
+    }
+
+    searchParams.append(key, toSearchParamValue(value as SearchParamPrimitive));
+  }
+
+  return searchParams;
+}
+
 function isSnakeCaseSearchParamMappings(
   mappings:
     | SearchParamMappings<SearchParamsInput>

packages/client/src/actions/params.ts

@@ -12,7 +12,7 @@ import { unwrap } from '@polymarket/types';
 import { z } from 'zod';
 import { parseUserInput } from '../input';
 import type { PolymarketClient } from '../PolymarketClient';
-import { toDataSearchParams } from './dataParams';
+import { toDataSearchParams } from './params';
 
 const PositionSortBySchema = z.enum([
   'CURRENT',