diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eee4af3..6c1e790 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,11 +25,15 @@ jobs:
           # pnpm test
           # pnpm publint
 
-      - name: Prettier check
-        run: pnpm fmt:check
-
       - name: Type check
         run: pnpm typecheck
 
       - name: Test
         run: pnpm test
+
+  Lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: biomejs/setup-biome@4c91541eaada48f67d7dbd7833600ce162b68f51 # v2
+      - run: biome ci .
diff --git a/.prettierrc.json b/.prettierrc.json
deleted file mode 100644
index 48eba03..0000000
--- a/.prettierrc.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "tabWidth": 2,
-  "semi": true,
-  "trailingComma": "all"
-}
diff --git a/biome.json b/biome.json
new file mode 100644
index 0000000..7714e2b
--- /dev/null
+++ b/biome.json
@@ -0,0 +1,58 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.4.12/schema.json",
+  "assist": {
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  },
+  "files": {
+    "ignoreUnknown": true,
+    "includes": [
+      "**",
+      "!!**/*.log",
+      "!!**/coverage",
+      "!!**/dist",
+      "!!**/fixtures",
+      "!!**/node_modules"
+    ]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 80
+  },
+  "javascript": {
+    "formatter": {
+      "arrowParentheses": "always",
+      "quoteStyle": "double",
+      "semicolons": "always",
+      "trailingCommas": "all"
+    }
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "style": {
+        "noNonNullAssertion": "off",
+        "useImportType": {
+          "level": "error",
+          "options": {
+            "style": "separatedType"
+          }
+        }
+      },
+      "suspicious": {
+        "noExplicitAny": "off"
+      }
+    }
+  },
+  "vcs": {
+    "clientKind": "git",
+    "enabled": true,
+    "useIgnoreFile": true
+  }
+}
diff --git a/examples/linestring/app.tsx b/examples/linestring/app.tsx
index 53f9171..37b0bf5 100644
--- a/examples/linestring/app.tsx
+++ b/examples/linestring/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { GeoArrowPathLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_POINT_DATA =
   "http://localhost:8080/ne_10m_roads_north_america.arrow";
diff --git a/examples/multilinestring/app.tsx b/examples/multilinestring/app.tsx
index 8385f89..78d3cd3 100644
--- a/examples/multilinestring/app.tsx
+++ b/examples/multilinestring/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer } from "deck.gl";
 import { GeoArrowPathLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_MULTILINESTRING_DATA =
   "http://localhost:8080/ne_10m_roads_north_america.feather";
@@ -65,7 +66,7 @@ function Root() {
         getColor: ({ index, data }) => {
           const recordBatch = data.data;
           const row = recordBatch.get(index)!;
-          return COLORS_LOOKUP[row["scalerank"]];
+          return COLORS_LOOKUP[row.scalerank];
         },
         widthMinPixels: 0.8,
         pickable: true,
diff --git a/examples/multipoint/app.tsx b/examples/multipoint/app.tsx
index 99cbdb4..ac1a3c3 100644
--- a/examples/multipoint/app.tsx
+++ b/examples/multipoint/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer } from "deck.gl";
 import { GeoArrowScatterplotLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_MULTIPOINT_DATA =
   "http://localhost:8080/naturalearth_cities_multipoint.feather";
@@ -75,6 +76,7 @@ function Root() {
       layers={layers}
       // @ts-expect-error
       ContextProvider={MapContext.Provider}
+      onClick={onClick}
     >
       <StaticMap mapStyle={MAP_STYLE} />
       <NavigationControl style={NAV_CONTROL_STYLE} />
diff --git a/examples/multipolygon/app.tsx b/examples/multipolygon/app.tsx
index 33cf7b8..3dd2e60 100644
--- a/examples/multipolygon/app.tsx
+++ b/examples/multipolygon/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { GeoArrowSolidPolygonLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_POLYGON_DATA =
   "http://localhost:8080/ne_10m_admin_0_countries.feather";
diff --git a/examples/point/app.tsx b/examples/point/app.tsx
index f2f36c9..5b26d67 100644
--- a/examples/point/app.tsx
+++ b/examples/point/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { GeoArrowScatterplotLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_POINT_DATA =
   "http://localhost:8080/2019-01-01_performance_mobile_tiles.feather";
@@ -61,7 +62,7 @@ function Root() {
         getRadius: ({ index, data }) => {
           const recordBatch = data.data;
           const row = recordBatch.get(index)!;
-          return row["avg_d_kbps"] / 50;
+          return row.avg_d_kbps / 50;
         },
         radiusMinPixels: 0.1,
         pickable: true,
diff --git a/examples/polygon/app.tsx b/examples/polygon/app.tsx
index 3a3b60a..70baac7 100644
--- a/examples/polygon/app.tsx
+++ b/examples/polygon/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { GeoArrowPolygonLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 // const GEOARROW_POLYGON_DATA = "http://localhost:8080/small.feather";
 
@@ -29,7 +30,7 @@ const NAV_CONTROL_STYLE = {
 function Root() {
   const onClick = (info: PickingInfo) => {
     if (info.object) {
-      console.log(info.object["BoroName"]);
+      console.log(info.object.BoroName);
     }
   };
 
diff --git a/examples/text/app.tsx b/examples/text/app.tsx
index 7c753da..cf93275 100644
--- a/examples/text/app.tsx
+++ b/examples/text/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { _GeoArrowTextLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_POLYGON_DATA = "http://localhost:8080/text.arrow";
 
diff --git a/examples/trips/app.tsx b/examples/trips/app.tsx
index 898b2bd..d189571 100644
--- a/examples/trips/app.tsx
+++ b/examples/trips/app.tsx
@@ -1,9 +1,10 @@
-import React, { useState, useEffect } from "react";
-import { createRoot } from "react-dom/client";
-import { StaticMap, MapContext, NavigationControl } from "react-map-gl";
-import DeckGL, { Layer, PickingInfo } from "deck.gl";
 import { GeoArrowTripsLayer } from "@geoarrow/deck.gl-layers";
 import * as arrow from "apache-arrow";
+import type { Layer, PickingInfo } from "deck.gl";
+import DeckGL from "deck.gl";
+import { useEffect, useState } from "react";
+import { createRoot } from "react-dom/client";
+import { MapContext, NavigationControl, StaticMap } from "react-map-gl";
 
 const GEOARROW_POINT_DATA = "http://localhost:8080/trips.feather";
 
@@ -32,12 +33,12 @@ function Root() {
   const [time, setTime] = useState(0);
   const [animation] = useState<{ id: number }>({ id: 0 });
 
-  const animate = () => {
-    setTime((t) => (t + animationSpeed) % loopLength);
-    animation.id = window.requestAnimationFrame(animate);
-  };
-
   useEffect(() => {
+    const animate = () => {
+      setTime((t) => (t + animationSpeed) % loopLength);
+      animation.id = window.requestAnimationFrame(animate);
+    };
+
     animation.id = window.requestAnimationFrame(animate);
     return () => window.cancelAnimationFrame(animation.id);
   }, [animation]);
diff --git a/package.json b/package.json
index b1755c5..2091353 100644
--- a/package.json
+++ b/package.json
@@ -3,11 +3,17 @@
   "private": true,
   "scripts": {
     "build": "cd packages/deck.gl-layers && pnpm build",
+    "check:fix": "biome check --write .",
+    "check": "biome check .",
     "clean": "rimraf dist packages/deck.gl-layers/dist",
     "docs:build": "typedoc",
     "docs:publish": "gh-pages -d docs_build",
     "fmt:check": "prettier '**/*.ts' --check",
     "fmt": "prettier '**/*.ts' --write",
+    "format:fix": "biome format --write .",
+    "format": "biome format .",
+    "lint:fix": "biome lint --write .",
+    "lint": "biome lint .",
     "prepublishOnly": "pnpm clean && pnpm build",
     "test": "vitest run",
     "typecheck": "tsc --build",
@@ -21,12 +27,12 @@
   "author": "Kyle Barron <kylebarron2@gmail.com>",
   "license": "MIT",
   "devDependencies": {
+    "@biomejs/biome": "^2.4.11",
     "@rollup/plugin-commonjs": "^25.0.7",
     "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-terser": "^0.4.3",
     "@rollup/plugin-typescript": "^11.1.2",
     "gh-pages": "^6.1.0",
-    "prettier": "^3.1.0",
     "rimraf": "^5.0.5",
     "rollup": "^3.26.2",
     "rollup-plugin-dts": "^5.3.0",
diff --git a/packages/deck.gl-layers/rollup.config.js b/packages/deck.gl-layers/rollup.config.js
index 29a6fbf..777dd67 100644
--- a/packages/deck.gl-layers/rollup.config.js
+++ b/packages/deck.gl-layers/rollup.config.js
@@ -1,8 +1,8 @@
+import commonjs from "@rollup/plugin-commonjs";
+import { nodeResolve } from "@rollup/plugin-node-resolve";
 import terser from "@rollup/plugin-terser";
 import typescript from "@rollup/plugin-typescript";
 import dts from "rollup-plugin-dts";
-import { nodeResolve } from "@rollup/plugin-node-resolve";
-import commonjs from "@rollup/plugin-commonjs";
 
 const input = "./src/index.ts";
 const sourcemap = true;
diff --git a/packages/deck.gl-layers/src/layers/a5-layer.ts b/packages/deck.gl-layers/src/layers/a5-layer.ts
index 52d7c0b..45ab1e6 100644
--- a/packages/deck.gl-layers/src/layers/a5-layer.ts
+++ b/packages/deck.gl-layers/src/layers/a5-layer.ts
@@ -2,21 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
 } from "@deck.gl/core";
+import { CompositeLayer } from "@deck.gl/core";
 import type { A5LayerProps } from "@deck.gl/geo-layers";
 import { A5Layer } from "@deck.gl/geo-layers";
 import * as arrow from "apache-arrow";
 
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import { assignAccessor, extractAccessorsFromProps } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowA5Layer */
@@ -93,9 +98,9 @@ const defaultProps: DefaultProps<GeoArrowA5LayerProps> = {
   ...ourDefaultProps,
 };
 
-export class GeoArrowA5Layer<ExtraProps extends {} = {}> extends CompositeLayer<
-  GeoArrowA5LayerProps & ExtraProps
-> {
+export class GeoArrowA5Layer<
+  ExtraProps extends object = Record<string, never>,
+> extends CompositeLayer<GeoArrowA5LayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowA5Layer";
 
@@ -107,11 +112,11 @@ export class GeoArrowA5Layer<ExtraProps extends {} = {}> extends CompositeLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     return this._renderLayer();
   }
 
-  _renderLayer(): Layer<{}> | LayersList | null {
+  _renderLayer(): Layer<object> | LayersList | null {
     const { data: batch, getPentagon } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/arc-layer.ts b/packages/deck.gl-layers/src/layers/arc-layer.ts
index 704e8ac..2e41403 100644
--- a/packages/deck.gl-layers/src/layers/arc-layer.ts
+++ b/packages/deck.gl-layers/src/layers/arc-layer.ts
@@ -2,28 +2,32 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { ArcLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { ArcLayerProps } from "@deck.gl/layers";
-import type { RecordBatch } from "apache-arrow";
+import { ArcLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import { child } from "@geoarrow/geoarrow-js";
+import type { RecordBatch } from "apache-arrow";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
   extractAccessorsFromProps,
   isGeomSeparate,
 } from "../utils/utils";
-import { child } from "@geoarrow/geoarrow-js";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowArcLayer */
@@ -112,7 +116,7 @@ const defaultProps: DefaultProps<GeoArrowArcLayerProps> = {
 };
 
 export class GeoArrowArcLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowArcLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowArcLayer";
@@ -125,11 +129,11 @@ export class GeoArrowArcLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     return this._renderLayersPoint();
   }
 
-  _renderLayersPoint(): Layer<{}> | LayersList | null {
+  _renderLayersPoint(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
     let { getSourcePosition: sourceData, getTargetPosition: targetData } =
       this.props;
diff --git a/packages/deck.gl-layers/src/layers/column-layer.ts b/packages/deck.gl-layers/src/layers/column-layer.ts
index 7fb3c54..c8f70f4 100644
--- a/packages/deck.gl-layers/src/layers/column-layer.ts
+++ b/packages/deck.gl-layers/src/layers/column-layer.ts
@@ -2,19 +2,27 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { ColumnLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { ColumnLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { ColumnLayer } from "@deck.gl/layers";
+import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
 import type { RecordBatch } from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
@@ -22,10 +30,6 @@ import {
   getGeometryData,
   isGeomSeparate,
 } from "../utils/utils";
-import * as ga from "@geoarrow/geoarrow-js";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { EXTENSION_NAME } from "../constants";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowColumnLayer */
@@ -106,7 +110,7 @@ const defaultProps: DefaultProps<GeoArrowColumnLayerProps> = {
  * coordinates.
  */
 export class GeoArrowColumnLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowColumnLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowColumnLayer";
@@ -119,7 +123,7 @@ export class GeoArrowColumnLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     const geometryData = getGeometryData(batch, EXTENSION_NAME.POINT);
@@ -137,7 +141,7 @@ export class GeoArrowColumnLayer<
 
   _renderPointLayer(
     geometryData: ga.data.PointData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/geohash-layer.ts b/packages/deck.gl-layers/src/layers/geohash-layer.ts
index d2ec0f1..b6d973e 100644
--- a/packages/deck.gl-layers/src/layers/geohash-layer.ts
+++ b/packages/deck.gl-layers/src/layers/geohash-layer.ts
@@ -1,18 +1,23 @@
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
 } from "@deck.gl/core";
+import { CompositeLayer } from "@deck.gl/core";
 import type { GeohashLayerProps } from "@deck.gl/geo-layers";
 import { GeohashLayer } from "@deck.gl/geo-layers";
 import * as arrow from "apache-arrow";
 
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import { assignAccessor, extractAccessorsFromProps } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowGeohashLayer */
@@ -90,7 +95,7 @@ const defaultProps: DefaultProps<GeoArrowGeohashLayerProps> = {
 };
 
 export class GeoArrowGeohashLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowGeohashLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowGeohashLayer";
@@ -103,11 +108,11 @@ export class GeoArrowGeohashLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     return this._renderLayer();
   }
 
-  _renderLayer(): Layer<{}> | LayersList | null {
+  _renderLayer(): Layer<object> | LayersList | null {
     const { data: batch, getGeohash } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/h3-hexagon-layer.ts b/packages/deck.gl-layers/src/layers/h3-hexagon-layer.ts
index 15c90e8..5191fd0 100644
--- a/packages/deck.gl-layers/src/layers/h3-hexagon-layer.ts
+++ b/packages/deck.gl-layers/src/layers/h3-hexagon-layer.ts
@@ -2,21 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
 } from "@deck.gl/core";
+import { CompositeLayer } from "@deck.gl/core";
 import type { H3HexagonLayerProps } from "@deck.gl/geo-layers";
 import { H3HexagonLayer } from "@deck.gl/geo-layers";
 import * as arrow from "apache-arrow";
 
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import { assignAccessor, extractAccessorsFromProps } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowH3HexagonLayer */
@@ -94,7 +99,7 @@ const defaultProps: DefaultProps<GeoArrowH3HexagonLayerProps> = {
 };
 
 export class GeoArrowH3HexagonLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowH3HexagonLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowH3HexagonLayer";
@@ -107,11 +112,11 @@ export class GeoArrowH3HexagonLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     return this._renderLayer();
   }
 
-  _renderLayer(): Layer<{}> | LayersList | null {
+  _renderLayer(): Layer<object> | LayersList | null {
     const { data: batch, getHexagon: hexData } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/heatmap-layer.ts b/packages/deck.gl-layers/src/layers/heatmap-layer.ts
index 49782f7..27882c8 100644
--- a/packages/deck.gl-layers/src/layers/heatmap-layer.ts
+++ b/packages/deck.gl-layers/src/layers/heatmap-layer.ts
@@ -2,18 +2,19 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type { HeatmapLayerProps } from "@deck.gl/aggregation-layers";
+import { HeatmapLayer } from "@deck.gl/aggregation-layers";
+import type {
   CompositeLayerProps,
   DefaultProps,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { HeatmapLayer } from "@deck.gl/aggregation-layers";
-import type { HeatmapLayerProps } from "@deck.gl/aggregation-layers";
-import * as arrow from "apache-arrow";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type { FloatAccessor } from "../types";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
@@ -21,8 +22,6 @@ import {
   getGeometryData,
   isGeomSeparate,
 } from "../utils/utils";
-import { FloatAccessor } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowHeatmapLayer */
@@ -77,12 +76,12 @@ const defaultProps: DefaultProps<GeoArrowHeatmapLayerProps> = {
 };
 
 export class GeoArrowHeatmapLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowHeatmapLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowHeatmapLayer";
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPosition !== undefined) {
@@ -104,7 +103,7 @@ export class GeoArrowHeatmapLayer<
 
   _renderPointLayer(
     geometryData: ga.data.PointData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/path-layer.ts b/packages/deck.gl-layers/src/layers/path-layer.ts
index 8972937..71b07a7 100644
--- a/packages/deck.gl-layers/src/layers/path-layer.ts
+++ b/packages/deck.gl-layers/src/layers/path-layer.ts
@@ -2,19 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { PathLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { PathLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { PathLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   extractAccessorsFromProps,
@@ -24,9 +31,6 @@ import {
   invertOffsets,
   isGeomSeparate,
 } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowPathLayer */
@@ -90,7 +94,7 @@ export const defaultProps: DefaultProps<GeoArrowPathLayerProps> = {
  * Render lists of coordinate points as extruded polylines with mitering.
  */
 export class GeoArrowPathLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowPathLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowPathLayer";
@@ -103,7 +107,7 @@ export class GeoArrowPathLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPath !== undefined) {
@@ -148,7 +152,7 @@ export class GeoArrowPathLayer<
 
   _renderLineStringLayer(
     lineStringData: ga.data.LineStringData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     // TODO: validate that if nested, accessor props have the same nesting
@@ -204,7 +208,7 @@ export class GeoArrowPathLayer<
 
   _renderMultiLineStringLayer(
     multiLineStringData: ga.data.MultiLineStringData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     // TODO: validate that if nested, accessor props have the same nesting
diff --git a/packages/deck.gl-layers/src/layers/point-cloud-layer.ts b/packages/deck.gl-layers/src/layers/point-cloud-layer.ts
index f7d5960..ca4e25c 100644
--- a/packages/deck.gl-layers/src/layers/point-cloud-layer.ts
+++ b/packages/deck.gl-layers/src/layers/point-cloud-layer.ts
@@ -2,19 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { PointCloudLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { PointCloudLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { PointCloudLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  GeoArrowPickingInfo,
+  NormalAccessor,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
@@ -22,9 +29,6 @@ import {
   getGeometryData,
   isGeomSeparate,
 } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, GeoArrowPickingInfo, NormalAccessor } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
 
 /* All properties supported by GeoArrowPointCloudLayer */
@@ -85,7 +89,7 @@ const defaultProps: DefaultProps<GeoArrowPointCloudLayerProps> = {
 };
 
 export class GeoArrowPointCloudLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowPointCloudLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowPointCloudLayer";
@@ -98,7 +102,7 @@ export class GeoArrowPointCloudLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPosition !== undefined) {
@@ -120,7 +124,7 @@ export class GeoArrowPointCloudLayer<
 
   _renderPointLayer(
     geometryData: ga.data.PointData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/polygon-layer.ts b/packages/deck.gl-layers/src/layers/polygon-layer.ts
index 0735b36..a8eba29 100644
--- a/packages/deck.gl-layers/src/layers/polygon-layer.ts
+++ b/packages/deck.gl-layers/src/layers/polygon-layer.ts
@@ -2,23 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { PolygonLayerProps } from "@deck.gl/layers";
 import { PolygonLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
 import * as arrow from "apache-arrow";
 import type { FunctionThread, Pool } from "threads";
 import { EXTENSION_NAME } from "../constants";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { GeoArrowExtraPickingProps } from "../utils/picking";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
 import { getGeometryData } from "../utils/utils";
 import { GeoArrowPathLayer } from "./path-layer";
 import { GeoArrowSolidPolygonLayer } from "./solid-polygon-layer";
@@ -200,7 +203,6 @@ const defaultProps: DefaultProps<GeoArrowPolygonLayerProps> = {
 };
 
 const defaultLineColor: [number, number, number, number] = [0, 0, 0, 255];
-const defaultFillColor: [number, number, number, number] = [0, 0, 0, 255];
 
 /** The `GeoArrowPolygonLayer` renders filled, stroked and/or extruded polygons.
  *
@@ -208,7 +210,7 @@ const defaultFillColor: [number, number, number, number] = [0, 0, 0, 255];
  * GeoArrowSolidPolygonLayer and the GeoArrowPathLayer.
  */
 export class GeoArrowPolygonLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<Required<GeoArrowPolygonLayerProps> & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowPolygonLayer";
@@ -222,7 +224,7 @@ export class GeoArrowPolygonLayer<
     return params.info;
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPolygon !== undefined) {
@@ -264,7 +266,7 @@ export class GeoArrowPolygonLayer<
   // support multi-* and single- geometries.
   _renderLayers(
     geometryColumn: ga.data.PolygonData | ga.data.MultiPolygonData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     let getPath: ga.data.MultiLineStringData;
diff --git a/packages/deck.gl-layers/src/layers/s2-layer.ts b/packages/deck.gl-layers/src/layers/s2-layer.ts
index 5f93264..8a143fe 100644
--- a/packages/deck.gl-layers/src/layers/s2-layer.ts
+++ b/packages/deck.gl-layers/src/layers/s2-layer.ts
@@ -1,18 +1,23 @@
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
 } from "@deck.gl/core";
+import { CompositeLayer } from "@deck.gl/core";
 import type { S2LayerProps } from "@deck.gl/geo-layers";
 import { S2Layer } from "@deck.gl/geo-layers";
 import * as arrow from "apache-arrow";
 
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import { assignAccessor, extractAccessorsFromProps } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowS2Layer */
@@ -89,9 +94,9 @@ const defaultProps: DefaultProps<GeoArrowS2LayerProps> = {
   ...ourDefaultProps,
 };
 
-export class GeoArrowS2Layer<ExtraProps extends {} = {}> extends CompositeLayer<
-  GeoArrowS2LayerProps & ExtraProps
-> {
+export class GeoArrowS2Layer<
+  ExtraProps extends object = Record<string, never>,
+> extends CompositeLayer<GeoArrowS2LayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowS2Layer";
 
@@ -103,11 +108,11 @@ export class GeoArrowS2Layer<ExtraProps extends {} = {}> extends CompositeLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     return this._renderLayer();
   }
 
-  _renderLayer(): Layer<{}> | LayersList | null {
+  _renderLayer(): Layer<object> | LayersList | null {
     const { data: batch, getS2Token } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/scatterplot-layer.ts b/packages/deck.gl-layers/src/layers/scatterplot-layer.ts
index 7ff7523..6eeedd2 100644
--- a/packages/deck.gl-layers/src/layers/scatterplot-layer.ts
+++ b/packages/deck.gl-layers/src/layers/scatterplot-layer.ts
@@ -2,19 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { ScatterplotLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { ScatterplotLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { ScatterplotLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
@@ -23,9 +30,6 @@ import {
   invertOffsets,
   isGeomSeparate,
 } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowScatterplotLayer */
@@ -97,7 +101,7 @@ const defaultProps: DefaultProps<GeoArrowScatterplotLayerProps> = {
 };
 
 export class GeoArrowScatterplotLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowScatterplotLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowScatterplotLayer";
@@ -110,7 +114,7 @@ export class GeoArrowScatterplotLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPosition !== undefined) {
@@ -196,7 +200,7 @@ export class GeoArrowScatterplotLayer<
 
   _renderMultiPointLayer(
     multiPointData: ga.data.MultiPointData,
-  ): Layer<{}> | null {
+  ): Layer<object> | null {
     const { data: batch } = this.props;
 
     // TODO: validate that if nested, accessor props have the same nesting
diff --git a/packages/deck.gl-layers/src/layers/solid-polygon-layer.ts b/packages/deck.gl-layers/src/layers/solid-polygon-layer.ts
index dd0dd19..dc4600e 100644
--- a/packages/deck.gl-layers/src/layers/solid-polygon-layer.ts
+++ b/packages/deck.gl-layers/src/layers/solid-polygon-layer.ts
@@ -2,21 +2,31 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
-  Layer,
-  LayersList,
   GetPickingInfoParams,
-  assert,
+  Layer,
   LayerContext,
+  LayersList,
   UpdateParameters,
 } from "@deck.gl/core";
-import { SolidPolygonLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { SolidPolygonLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { SolidPolygonLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import type { FunctionThread } from "threads";
+import { BlobWorker, Pool, spawn, Transfer } from "threads";
+import type { PoolOptions } from "threads/dist/master/pool";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   extractAccessorsFromProps,
@@ -27,13 +37,7 @@ import {
   invertOffsets,
   isGeomSeparate,
 } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
-import { spawn, Transfer, BlobWorker, Pool } from "threads";
-import type { FunctionThread } from "threads";
-import type { PoolOptions } from "threads/dist/master/pool";
 
 /** A helper function to initialize a worker threadpool for earcut */
 export async function initEarcutPool(
@@ -67,7 +71,7 @@ export async function initEarcutPool(
       () => spawn(BlobWorker.fromText(earcutWorkerText)),
       optionsOrSize || 8,
     );
-  } catch (err) {
+  } catch (_err) {
     return null;
   }
 }
@@ -185,7 +189,7 @@ const defaultProps: DefaultProps<GeoArrowSolidPolygonLayerProps> = {
 };
 
 export class GeoArrowSolidPolygonLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowSolidPolygonLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowSolidPolygonLayer";
@@ -240,12 +244,12 @@ export class GeoArrowSolidPolygonLayer<
       );
       this.state.earcutWorkerPool = pool;
       return this.state.earcutWorkerPool;
-    } catch (err) {
+    } catch (_err) {
       return null;
     }
   }
 
-  async finalizeState(context: LayerContext): Promise<void> {
+  async finalizeState(_context: LayerContext): Promise<void> {
     await this.state?.earcutWorkerPool?.terminate();
     console.log("terminated");
   }
@@ -397,7 +401,7 @@ export class GeoArrowSolidPolygonLayer<
     return ga.algorithm.earcut(polygonData);
   }
 
-  updateState({ props, changeFlags }: UpdateParameters<this>): void {
+  updateState({ changeFlags }: UpdateParameters<this>): void {
     if (changeFlags.dataChanged) {
       this.updateData();
     }
@@ -411,7 +415,7 @@ export class GeoArrowSolidPolygonLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { batch } = this.state;
     if (!batch) return null;
 
@@ -457,7 +461,7 @@ export class GeoArrowSolidPolygonLayer<
 
   _renderPolygonLayer(
     polygonData: ga.data.PolygonData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { batch } = this.state;
     if (!batch) return null;
 
@@ -525,7 +529,7 @@ export class GeoArrowSolidPolygonLayer<
 
   _renderMultiPolygonLayer(
     multiPolygonData: ga.data.MultiPolygonData,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { batch } = this.state;
     if (!batch) return null;
 
@@ -622,7 +626,7 @@ export class GeoArrowSolidPolygonLayer<
   }
 }
 
-function encodePickingColors(
+function _encodePickingColors(
   geomToCoordOffsets: Int32Array,
   encodePickingColor: (id: number, result: number[]) => void,
 ): Uint8ClampedArray {
diff --git a/packages/deck.gl-layers/src/layers/text-layer.ts b/packages/deck.gl-layers/src/layers/text-layer.ts
index 9b6b3bf..5afcca2 100644
--- a/packages/deck.gl-layers/src/layers/text-layer.ts
+++ b/packages/deck.gl-layers/src/layers/text-layer.ts
@@ -2,19 +2,26 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   GetPickingInfoParams,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { TextLayer } from "@deck.gl/layers";
+import { assert, CompositeLayer } from "@deck.gl/core";
 import type { TextLayerProps } from "@deck.gl/layers";
-import * as arrow from "apache-arrow";
+import { TextLayer } from "@deck.gl/layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type {
+  ColorAccessor,
+  FloatAccessor,
+  GeoArrowPickingInfo,
+} from "../types";
+import type { GeoArrowExtraPickingProps } from "../utils/picking";
+import { getPickingInfo } from "../utils/picking";
 import {
   assignAccessor,
   convertStructToFixedSizeList,
@@ -23,9 +30,6 @@ import {
   getGeometryData,
   isGeomSeparate,
 } from "../utils/utils";
-import { GeoArrowExtraPickingProps, getPickingInfo } from "../utils/picking";
-import { ColorAccessor, FloatAccessor, GeoArrowPickingInfo } from "../types";
-import { EXTENSION_NAME } from "../constants";
 import { validateAccessors } from "../utils/validate";
 
 /** All properties supported by GeoArrowTextLayer */
@@ -144,7 +148,7 @@ const defaultProps: DefaultProps<GeoArrowTextLayerProps> = {
 };
 
 export class GeoArrowTextLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowTextLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowTextLayer";
@@ -157,7 +161,7 @@ export class GeoArrowTextLayer<
     return getPickingInfo(params, this.props.data);
   }
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props.getPosition !== undefined) {
@@ -180,7 +184,7 @@ export class GeoArrowTextLayer<
   _renderTextLayer(
     geometryData: ga.data.PointData,
     textData: arrow.Data<arrow.Utf8>,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/layers/trips-layer.ts b/packages/deck.gl-layers/src/layers/trips-layer.ts
index 3606fd8..e4a0d42 100644
--- a/packages/deck.gl-layers/src/layers/trips-layer.ts
+++ b/packages/deck.gl-layers/src/layers/trips-layer.ts
@@ -2,17 +2,19 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import {
-  CompositeLayer,
+import type {
   CompositeLayerProps,
   DefaultProps,
   Layer,
   LayersList,
-  assert,
 } from "@deck.gl/core";
-import { TripsLayer, TripsLayerProps } from "@deck.gl/geo-layers";
-import * as arrow from "apache-arrow";
+import { assert, CompositeLayer } from "@deck.gl/core";
+import type { TripsLayerProps } from "@deck.gl/geo-layers";
+import { TripsLayer } from "@deck.gl/geo-layers";
 import * as ga from "@geoarrow/geoarrow-js";
+import type * as arrow from "apache-arrow";
+import { EXTENSION_NAME } from "../constants";
+import type { ColorAccessor, FloatAccessor, TimestampAccessor } from "../types";
 import {
   assignAccessor,
   extractAccessorsFromProps,
@@ -20,10 +22,8 @@ import {
   getInterleavedLineString,
   isGeomSeparate,
 } from "../utils/utils";
-import { TimestampAccessor, ColorAccessor, FloatAccessor } from "../types";
-import { defaultProps as pathLayerDefaultProps } from "./path-layer";
 import { validateAccessors } from "../utils/validate";
-import { EXTENSION_NAME } from "../constants";
+import { defaultProps as pathLayerDefaultProps } from "./path-layer";
 
 /** All properties supported by GeoArrowTripsLayer */
 export type GeoArrowTripsLayerProps = Omit<
@@ -89,12 +89,12 @@ const defaultProps: DefaultProps<GeoArrowTripsLayerProps> = {
 
 /** Render animated paths that represent vehicle trips. */
 export class GeoArrowTripsLayer<
-  ExtraProps extends {} = {},
+  ExtraProps extends object = Record<string, never>,
 > extends CompositeLayer<GeoArrowTripsLayerProps & ExtraProps> {
   static defaultProps = defaultProps;
   static layerName = "GeoArrowTripsLayer";
 
-  renderLayers(): Layer<{}> | LayersList | null {
+  renderLayers(): Layer<object> | LayersList | null {
     const { data: batch, getTimestamps } = this.props;
 
     if (this.props.getPath !== undefined) {
@@ -120,7 +120,7 @@ export class GeoArrowTripsLayer<
   _renderLineStringLayer(
     lineStringData: ga.data.LineStringData,
     timestampData: TimestampAccessor,
-  ): Layer<{}> | LayersList | null {
+  ): Layer<object> | LayersList | null {
     const { data: batch } = this.props;
 
     if (this.props._validate) {
diff --git a/packages/deck.gl-layers/src/types.ts b/packages/deck.gl-layers/src/types.ts
index b8006ee..2a0ea10 100644
--- a/packages/deck.gl-layers/src/types.ts
+++ b/packages/deck.gl-layers/src/types.ts
@@ -3,8 +3,8 @@
 // Copyright (c) vis.gl contributors
 
 import type { BinaryAttribute, Color, PickingInfo } from "@deck.gl/core";
-import { TypedArray } from "@deck.gl/core/dist/types/types";
-import * as arrow from "apache-arrow";
+import type { TypedArray } from "@deck.gl/core/dist/types/types";
+import type * as arrow from "apache-arrow";
 import type { Data } from "apache-arrow";
 
 /**
diff --git a/packages/deck.gl-layers/src/utils/picking.ts b/packages/deck.gl-layers/src/utils/picking.ts
index d0eb752..0a3b852 100644
--- a/packages/deck.gl-layers/src/utils/picking.ts
+++ b/packages/deck.gl-layers/src/utils/picking.ts
@@ -2,9 +2,9 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
 
-import type { RecordBatch, Data, DataType } from "apache-arrow";
-import { GetPickingInfoParams } from "@deck.gl/core";
-import { GeoArrowPickingInfo } from "../types";
+import type { GetPickingInfoParams } from "@deck.gl/core";
+import type { RecordBatch } from "apache-arrow";
+import type { GeoArrowPickingInfo } from "../types";
 
 export interface GeoArrowExtraPickingProps {
   data: {
diff --git a/packages/deck.gl-layers/src/utils/utils.ts b/packages/deck.gl-layers/src/utils/utils.ts
index 38b5d7d..c1ccaee 100644
--- a/packages/deck.gl-layers/src/utils/utils.ts
+++ b/packages/deck.gl-layers/src/utils/utils.ts
@@ -3,12 +3,12 @@
 // Copyright (c) vis.gl contributors
 
 import { assert } from "@deck.gl/core";
-import * as arrow from "apache-arrow";
 import * as ga from "@geoarrow/geoarrow-js";
-import {
+import * as arrow from "apache-arrow";
+import type {
+  _InternalAccessorContext,
   AccessorContext,
   AccessorFunction,
-  _InternalAccessorContext,
 } from "../types";
 
 export type TypedArray =
@@ -363,7 +363,7 @@ export function getGeometryData(
     // throw new Error(`No column found with extension type ${geoarrowTypeName}`);
   }
 
-  let vector = batch.getChildAt(geometryColumnIdx);
+  const vector = batch.getChildAt(geometryColumnIdx);
   assert(vector?.data.length === 1);
   return vector.data[0];
 }
@@ -438,9 +438,9 @@ export function invertOffsets(
   const largestOffset = offsets[offsets.length - 1];
 
   const arrayConstructor =
-    offsets.length < Math.pow(2, 8)
+    offsets.length < 2 ** 8
       ? Uint8Array
-      : offsets.length < Math.pow(2, 16)
+      : offsets.length < 2 ** 16
         ? Uint16Array
         : Uint32Array;
 
diff --git a/packages/deck.gl-layers/src/utils/validate.ts b/packages/deck.gl-layers/src/utils/validate.ts
index 6e67f5b..0c89971 100644
--- a/packages/deck.gl-layers/src/utils/validate.ts
+++ b/packages/deck.gl-layers/src/utils/validate.ts
@@ -61,7 +61,5 @@ export function validateColorVector(vector: arrow.Data) {
   assert(arrow.DataType.isInt(vector.type.children[0]));
 
   // Assert the child type is a Uint8
-  // @ts-ignore
-  // Property 'type' does not exist on type 'Int_<Ints>'. Did you mean 'TType'?
   assert(vector.type.children[0].type.bitWidth === 8);
 }
diff --git a/packages/deck.gl-layers/tests/utils.test.ts b/packages/deck.gl-layers/tests/utils.test.ts
index 77079a0..15d53dd 100644
--- a/packages/deck.gl-layers/tests/utils.test.ts
+++ b/packages/deck.gl-layers/tests/utils.test.ts
@@ -1,8 +1,8 @@
-import { describe, it, expect } from "vitest";
+import { describe, expect, it } from "vitest";
 import { expandArrayToCoords } from "../src/utils/utils.js";
 import { arraysEqual } from "./utils.js";
 
-describe("linestring vertex expansion", (t) => {
+describe("linestring vertex expansion", () => {
   it("expands correctly (size = 1)", () => {
     const input = new Uint8Array([1, 2, 3, 4]);
     const size = 1;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f656c35..b34dbed 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,6 +8,9 @@ importers:
 
   .:
     devDependencies:
+      '@biomejs/biome':
+        specifier: ^2.4.11
+        version: 2.4.12
       '@rollup/plugin-commonjs':
         specifier: ^25.0.7
         version: 25.0.8(rollup@3.30.0)
@@ -23,9 +26,6 @@ importers:
       gh-pages:
         specifier: ^6.1.0
         version: 6.3.0
-      prettier:
-        specifier: ^3.1.0
-        version: 3.8.3
       rimraf:
         specifier: ^5.0.5
         version: 5.0.10
@@ -398,6 +398,59 @@ packages:
     resolution: {integrity: sha512-JiDShH45zKHWyGe4ZNVRrCjBz8Nh9TMmZG1kh4QTK8hCBTWBi8Da+i7s1fJw7/lYpM4ccepSNfqzZ/QvABBi5g==}
     engines: {node: '>=6.9.0'}
 
+  '@biomejs/biome@2.4.12':
+    resolution: {integrity: sha512-Rro7adQl3NLq/zJCIL98eElXKI8eEiBtoeu5TbXF/U3qbjuSc7Jb5rjUbeHHcquDWeSf3HnGP7XI5qGrlRk/pA==}
+    engines: {node: '>=14.21.3'}
+    hasBin: true
+
+  '@biomejs/cli-darwin-arm64@2.4.12':
+    resolution: {integrity: sha512-BnMU4Pc3ciEVteVpZ0BK33MLr7X57F5w1dwDLDn+/iy/yTrA4Q/N2yftidFtsA4vrDh0FMXDpacNV/Tl3fbmng==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@biomejs/cli-darwin-x64@2.4.12':
+    resolution: {integrity: sha512-x9uJ0bI1rJsWICp3VH8w/5PnAVD3A7SqzDpbrfoUQX1QyWrK5jSU4fRLo/wSgGeplCivbxBRKmt5Xq4/nWvq8A==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [darwin]
+
+  '@biomejs/cli-linux-arm64-musl@2.4.12':
+    resolution: {integrity: sha512-FhfpkAAlKL6kwvcVap0Hgp4AhZmtd3YImg0kK1jd7C/aSoh4SfsB2f++yG1rU0lr8Y5MCFJrcSkmssiL9Xnnig==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@biomejs/cli-linux-arm64@2.4.12':
+    resolution: {integrity: sha512-tOwuCuZZtKi1jVzbk/5nXmIsziOB6yqN8c9r9QM0EJYPU6DpQWf11uBOSCfFKKM4H3d9ZoarvlgMfbcuD051Pw==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@biomejs/cli-linux-x64-musl@2.4.12':
+    resolution: {integrity: sha512-dwTIgZrGutzhkQCuvHynCkyW6hJxUuyZqKKO0YNfaS2GUoRO+tOvxXZqZB6SkWAOdfZTzwaw8IEdUnIkHKHoew==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [linux]
+
+  '@biomejs/cli-linux-x64@2.4.12':
+    resolution: {integrity: sha512-8pFeAnLU9QdW9jCIslB/v82bI0lhBmz2ZAKc8pVMFPO0t0wAHsoEkrUQUbMkIorTRIjbqyNZHA3lEXavsPWYSw==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [linux]
+
+  '@biomejs/cli-win32-arm64@2.4.12':
+    resolution: {integrity: sha512-B0DLnx0vA9ya/3v7XyCaP+/lCpnbWbMOfUFFve+xb5OxyYvdHaS55YsSddr228Y+JAFk58agCuZTsqNiw2a6ig==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [win32]
+
+  '@biomejs/cli-win32-x64@2.4.12':
+    resolution: {integrity: sha512-yMckRzTyZ83hkk8iDFWswqSdU8tvZxspJKnYNh7JZr/zhZNOlzH13k4ecboU6MurKExCe2HUkH75pGI/O2JwGA==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [win32]
+
   '@carto/api-client@0.5.26':
     resolution: {integrity: sha512-dMIfVubI+4VrylazzrJQOEza+YvWEoK7fAiyqLLB3Je7yljFvklSxGA3c5LaYD3XiHhZ7PrdM3SQH84SUNrW2A==}
 
@@ -2817,6 +2870,41 @@ snapshots:
 
   '@babel/runtime@7.29.2': {}
 
+  '@biomejs/biome@2.4.12':
+    optionalDependencies:
+      '@biomejs/cli-darwin-arm64': 2.4.12
+      '@biomejs/cli-darwin-x64': 2.4.12
+      '@biomejs/cli-linux-arm64': 2.4.12
+      '@biomejs/cli-linux-arm64-musl': 2.4.12
+      '@biomejs/cli-linux-x64': 2.4.12
+      '@biomejs/cli-linux-x64-musl': 2.4.12
+      '@biomejs/cli-win32-arm64': 2.4.12
+      '@biomejs/cli-win32-x64': 2.4.12
+
+  '@biomejs/cli-darwin-arm64@2.4.12':
+    optional: true
+
+  '@biomejs/cli-darwin-x64@2.4.12':
+    optional: true
+
+  '@biomejs/cli-linux-arm64-musl@2.4.12':
+    optional: true
+
+  '@biomejs/cli-linux-arm64@2.4.12':
+    optional: true
+
+  '@biomejs/cli-linux-x64-musl@2.4.12':
+    optional: true
+
+  '@biomejs/cli-linux-x64@2.4.12':
+    optional: true
+
+  '@biomejs/cli-win32-arm64@2.4.12':
+    optional: true
+
+  '@biomejs/cli-win32-x64@2.4.12':
+    optional: true
+
   '@carto/api-client@0.5.26':
     dependencies:
       '@loaders.gl/schema': 4.4.1