parquet refactor

utils/duckdb.ts

@@ -8,7 +8,6 @@ import * as duckdb from "@duckdb/duckdb-wasm"
 import { AsyncDuckDB, DuckDBBundle } from "@duckdb/duckdb-wasm"
 import Worker from "web-worker"
 import path from "path"
-import { useEffect, useState } from "react"
 
 const ENABLE_DUCK_LOGGING = false
 
@@ -119,18 +118,6 @@ export async function loadParquet<T>(path: string): Promise<T[]> {
   })
 }
 
-/**
- * Hook for loading a parquet file or URL; starts out `null`, gets populated asynchronously
- */
-export function useParquet<T>(url?: string): T[] | null {
-  const [data, setData] = useState<T[] | null>(null)
-  useEffect(() => {
-    if (!url) return
-    loadParquet<T>(url).then((data) => setData(data))
-  }, [])
-  return data
-}
-
 /**
  * Convert [a byte array representing a Parquet file] to an array of records
  */

utils/useParquet.ts

@@ -0,0 +1,15 @@
+
+import { useEffect, useState } from "react"
+import { loadParquet } from "./duckdb"
+
+/**
+ * Hook for loading a parquet file or URL; starts out `null`, gets populated asynchronously
+ */
+export function useParquet<T>(url?: string): T[] | null {
+  const [data, setData] = useState<T[] | null>(null)
+  useEffect(() => {
+    if (!url) return
+    loadParquet<T>(url).then((data) => setData(data))
+  }, [])
+  return data
+}