fix(typescript): add imageType property to Image

packages/compress-stringify/typescript/src/interface-type-json-node.ts

@@ -0,0 +1,17 @@
+import {
+    Image,
+    Mesh,
+    PolyData,
+} from 'itk-wasm'
+
+import compressStringify from './compress-stringify.js'
+import parseStringDecompress from './parse-string-decompress.js'
+import { dir } from 'console'
+
+export function imageToJson(image: Image): string {
+    const level = 5
+
+    const directionBytes = new Uint8Array(image.direction.buffer)
+    image.direction = await compressStringify(directionBytes, { compressionLevel: level, stringify: True })
+
+}

packages/core/typescript/itk-wasm/src/interface-types/image.ts

@@ -4,6 +4,8 @@ import setMatrixElement from '../set-matrix-element.js'
 import Metadata from './metadata.js'
 
 class Image {
+  imageType: ImageType
+
   name: string = 'image'
 
   origin: number[]
@@ -18,8 +20,9 @@ class Image {
 
   data: null | TypedArray
 
-  constructor (public readonly imageType = new ImageType()) {
-    const dimension = imageType.dimension
+  constructor (public readonly it = new ImageType()) {
+    this.imageType = it
+    const dimension = it.dimension
     this.origin = new Array(dimension)
     this.origin.fill(0.0)