chore(deps): adapt to typescript 6 and strict mode

ts/package.json

@@ -41,8 +41,8 @@
     "earcut": "^3.0.2",
     "eslint": "^10.0.3",
     "pbf": "^4.0.1",
-    "typescript": "^5.9.3",
-    "typescript-eslint": "^8.57.1",
+    "typescript": "^6.0.3",
+    "typescript-eslint": "^8.62.0",
     "vitest": "^4.0.1"
   },
   "dependencies": {

ts/src/decoding/decodingTestUtils.ts

@@ -5,7 +5,7 @@ import { DictionaryType } from "../metadata/tile/dictionaryType";
 import { LengthType } from "../metadata/tile/lengthType";
 import { OffsetType } from "../metadata/tile/offsetType";
 import IntWrapper from "./intWrapper";
-import { type Column, type Field, ComplexType, ScalarType } from "../metadata/tileset/tilesetMetadata";
+import { type Column, type Field, ColumnScope, ComplexType, ScalarType } from "../metadata/tileset/tilesetMetadata";
 import { encodeBooleanRle, encodeStrings, createStringLengths } from "../encoding/encodingUtils";
 import { encodeVarintInt32Value, encodeVarintInt32 } from "../encoding/integerEncodingUtils";
 import type { RleEncodedStreamMetadata, StreamMetadata } from "../metadata/tile/streamMetadataDecoder";
@@ -74,6 +74,7 @@ export function createColumnMetadataForStruct(
     return {
         name: columnName,
         nullable: false,
+        columnScope: ColumnScope.FEATURE,
         complexType: {
             physicalType: ComplexType.STRUCT,
             children,

ts/src/decoding/decodingUtils.ts

@@ -111,7 +111,7 @@ export function decodeString(buf: Uint8Array, pos: number, end: number): string
     return readUtf8(buf, pos, end);
 }
 
-function readUtf8(buf, pos, end): string {
+function readUtf8(buf: Uint8Array, pos: number, end: number): string {
     let str = "";
     let i = pos;
 
@@ -190,7 +190,7 @@ export function getVectorTypeBooleanStream(
         : VectorType.FLAT;
 }
 
-function bitCount(number): number {
+function bitCount(number: number): number {
     //TODO: refactor to get rid of special case handling
     return number === 0 ? 1 : Math.floor(Math.log2(number) + 1);
 }