Update TypeScript to 5.9.3

package.json

@@ -54,7 +54,7 @@
     "source-map": "0.6.1",
     "ts-jest": "24.3.0",
     "tsx": "4.19.2",
-    "typescript": "5.3.3",
+    "typescript": "5.9.3",
     "typescript-json-schema": "0.67.0",
     "uglify-es": "3.2.2",
     "uint8array-json-parser": "0.0.2"

src/import/index.ts

@@ -38,7 +38,10 @@ export async function importProfileGroupFromBase64(
   b64contents: string,
 ): Promise<ProfileGroup | null> {
   return await importProfileGroup(
-    MaybeCompressedDataReader.fromArrayBuffer(fileName, decodeBase64(b64contents).buffer),
+    MaybeCompressedDataReader.fromArrayBuffer(
+      fileName,
+      decodeBase64(b64contents).buffer as ArrayBuffer,
+    ),
   )
 }
 

src/import/utils.ts

@@ -230,7 +230,7 @@ export class MaybeCompressedDataReader implements ProfileDataSource {
   ) {
     this.uncompressedData = maybeCompressedDataPromise.then(async (fileData: ArrayBuffer) => {
       try {
-        const result = pako.inflate(new Uint8Array(fileData)).buffer
+        const result = pako.inflate(new Uint8Array(fileData)).buffer as ArrayBuffer
         return result
       } catch (e) {
         return fileData

src/lib/utils.test.ts

@@ -243,15 +243,15 @@ test('decodeBase64', () => {
 test('BufferBackedTextFileContent.firstChunk', async () => {
   await withMockedFileChunkSizeForTests(2, () => {
     const str = 'may\nyour\nrope\nbe\nlong'
-    const buffer = new TextEncoder().encode(str).buffer
+    const buffer = new TextEncoder().encode(str).buffer as ArrayBuffer
     const content = new BufferBackedTextFileContent(buffer)
     expect(content.firstChunk()).toEqual('ma')
   })
 })
 
 test('BufferBackedTextFileContent.splitLines', async () => {
   function testWithString(str: string) {
-    const buffer = new TextEncoder().encode(str).buffer
+    const buffer = new TextEncoder().encode(str).buffer as ArrayBuffer
     const content = new BufferBackedTextFileContent(buffer)
     expect([...content.splitLines()]).toEqual(str.split('\n'))
   }
@@ -270,7 +270,7 @@ test('BufferBackedTextFileContent.parseAsJSON', async () => {
     // parseAsJSON is special cased to permissively allow trailing commas
     // and a mission closing bracket
     const str = '[200,300,400,'
-    const buffer = new TextEncoder().encode(str).buffer
+    const buffer = new TextEncoder().encode(str).buffer as ArrayBuffer
     const content = new BufferBackedTextFileContent(buffer)
 
     expect(content.parseAsJSON()).toEqual([200, 300, 400])

tsconfig.json

@@ -7,6 +7,7 @@
     "jsx": "react",
     "noUnusedLocals": true,
     "jsxFactory": "h",
-    "target": "es2015"
+    "target": "es2015",
+    "skipLibCheck": true
   }
 }