snapshot of https://github.com/tldraw/tldraw.git (main, 2026-09-23; blobs > 131072B omitted)

templates/agent/client/parts/CanvasLintsPartUtil.ts

@@ -0,0 +1,39 @@
+import { Box } from 'tldraw'
+import { CanvasLintsPart } from '../../shared/schema/PromptPartDefinitions'
+import { AgentRequest } from '../../shared/types/AgentRequest'
+import { AgentHelpers } from '../AgentHelpers'
+import { PromptPartUtil, registerPromptPartUtil } from './PromptPartUtil'
+
+export const CanvasLintsPartUtil = registerPromptPartUtil(
+	class CanvasLintsPartUtil extends PromptPartUtil<CanvasLintsPart> {
+		static override type = 'canvasLints' as const
+
+		override getPart(request: AgentRequest, _helpers: AgentHelpers): CanvasLintsPart {
+			const { editor, agent } = this
+			if (!editor) return { type: 'canvasLints', lints: [] }
+
+			const shapes = editor.getCurrentPageShapesSorted()
+			const contextBoundsBox = Box.From(request.bounds)
+			const shapesInBounds = shapes.filter((shape) => {
+				const bounds = editor.getShapeMaskedPageBounds(shape)
+				if (!bounds) return false
+				return contextBoundsBox.includes(bounds)
+			})
+
+			// Use created shapes when in working mode, otherwise use shapes in request bounds
+			const shapesToCheck =
+				agent.mode.getCurrentModeType() === 'working'
+					? agent.lints.getCreatedShapes()
+					: shapesInBounds
+
+			// Get unsurfaced lints and mark them as surfaced
+			const lints = agent.lints.getUnsurfacedLintsForShapes(shapesToCheck)
+			agent.lints.markLintsAsSurfaced(lints)
+
+			return {
+				type: 'canvasLints',
+				lints,
+			}
+		}
+	}
+)