Strip out WKB parser and use upstream hyparquet

Author: platypii

package.json

@@ -18,18 +18,18 @@
     "url": "git+https://github.com/hyparam/geoparquet.git"
   },
   "dependencies": {
-    "hyparquet": "1.19.0"
+    "hyparquet": "1.20.0"
   },
   "devDependencies": {
-    "@rollup/plugin-node-resolve": "16.0.2",
+    "@rollup/plugin-node-resolve": "16.0.3",
     "@rollup/plugin-terser": "0.4.4",
     "@types/google.maps": "3.58.1",
-    "@types/node": "24.7.0",
+    "@types/node": "24.9.1",
     "@vitest/coverage-v8": "3.2.4",
-    "eslint": "9.37.0",
+    "eslint": "9.38.0",
     "http-server": "14.1.1",
     "hyparquet-compressors": "1.1.1",
-    "rollup": "4.52.4",
+    "rollup": "4.52.5",
     "typescript": "5.9.3",
     "vitest": "3.2.4"
   },

src/index.js

@@ -1,2 +1,2 @@
 export { asyncBufferFromUrl } from 'hyparquet'
-export { toGeoJson, decodeWKB } from './toGeoJson.js'
+export { toGeoJson } from './toGeoJson.js'

src/toGeoJson.js

@@ -1,5 +1,4 @@
 import { parquetMetadataAsync, parquetReadObjects } from 'hyparquet'
-import { wkbToGeojson } from 'hyparquet/src/wkb.js'
 
 /**
  * Convert a GeoParquet file to GeoJSON.
@@ -30,13 +29,8 @@ export async function toGeoJson({ file, compressors }) {
   const features = []
   const primaryColumn = geoSchema.primary_column || 'geometry'
   for (const row of data) {
-    const wkb = row[primaryColumn]
-    if (!wkb) {
-      // No geometry
-      continue
-    }
-
-    const geometry = decodeWKB(wkb)
+    const geometry = row[primaryColumn]
+    if (!geometry) continue // No geometry
 
     // Extract properties (all fields except geometry)
     /** @type {Record<string, any>} */
@@ -63,10 +57,3 @@ export async function toGeoJson({ file, compressors }) {
     features,
   }
 }
-
-/**
- * @param {Uint8Array} buffer
- */
-export function decodeWKB(buffer) {
-  return wkbToGeojson({ view: new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength), offset: 0 })
-}