test(canvas): share oracle pixel image type

scripts/analyze-pattern-oracle.ts

@@ -4,11 +4,7 @@ import { parseArgs } from 'node:util'
 
 import { initCanvasKit } from '@open-pencil/core/io'
 
-interface PixelImage {
+import type { PixelImage } from './pixel-image'
-  width: number
-  height: number
-  pixels: Uint8Array
-}
 
 interface Component {
   count: number

scripts/analyze-text-decoration-oracle.ts

@@ -4,11 +4,7 @@ import { parseArgs } from 'node:util'
 
 import { initCanvasKit } from '@open-pencil/core/io'
 
-interface PixelImage {
+import type { PixelImage } from './pixel-image'
-  width: number
-  height: number
-  pixels: Uint8Array
-}
 
 interface ChannelSummary {
   rows: Array<{ y: number; count: number; minX: number; maxX: number }>

scripts/pixel-image.ts

@@ -0,0 +1,5 @@
+export interface PixelImage {
+  width: number
+  height: number
+  pixels: Uint8Array
+}