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feat(vom): two channels to deal with canvas

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This commit is contained in:
Ljy-0827
2026-09-08 10:54:33 +08:00
parent 672b17cea8
commit 905ba6a8a6
6 changed files with 45 additions and 21 deletions
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packages/vom/src/render.ts
+16 -6
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@@ -819,7 +819,7 @@ function emitVisualEntries(parentId: number | null, depth: number, state: Render
const ref = `e${state.nextRef}`;
const label = cleaned(surface.label) ?? `${surface.renderingKind} visual surface`;
const layers = surface.memberCount > 1 ? `; layers=${surface.memberCount}` : "";
const line = `${" ".repeat(depth)}@${ref} surface ${JSON.stringify(label)} [rendering=${surface.renderingKind}${layers}; visual-only; use: bsk screenshot --ref @${ref}]`;
const line = `${" ".repeat(depth)}@${ref} surface ${JSON.stringify(label)} [rendering=${surface.renderingKind}${layers}; visual-only; requires=image-understanding; use: bsk screenshot --ref @${ref}]`;
const nextTokens = state.tokens + estimateTokens(line);
if (nextTokens > state.maxTokens) {
state.truncated = true;
@@ -872,24 +872,34 @@ function emitActiveScopeBlock(scope: ActiveScopeBlock, depth: number, state: Ren
}
}
type RenderTask =
| { kind: "node"; node: VomNode; depth: number }
| { kind: "visual"; parentId: number | null; depth: number };
function pushRenderChildren(
stack: Array<{ node: VomNode; depth: number }>,
stack: RenderTask[],
children: readonly VomNode[],
depth: number,
): void {
for (let index = children.length - 1; index >= 0; index -= 1) {
stack.push({ node: children[index], depth });
stack.push({ kind: "node", node: children[index], depth });
}
}
function renderTree(children: Map<number | null, VomNode[]>, state: RenderState): void {
const stack: Array<{ node: VomNode; depth: number }> = [];
const stack: RenderTask[] = [{ kind: "visual", parentId: null, depth: 1 }];
pushRenderChildren(stack, children.get(null) ?? [], 1);
while (stack.length > 0 && !state.stopped) {
const { node, depth } = stack.pop() as { node: VomNode; depth: number };
const task = stack.pop() as RenderTask;
if (task.kind === "visual") {
emitVisualEntries(task.parentId, task.depth, state);
continue;
}
const { node, depth } = task;
if (!shouldRender(node)) {
stack.push({ kind: "visual", parentId: node.id, depth });
pushRenderChildren(stack, children.get(node.id) ?? [], depth);
continue;
}
@@ -935,9 +945,9 @@ function renderTree(children: Map<number | null, VomNode[]>, state: RenderState)
emitVisualEntries(node.id, depth + 1, state);
continue;
}
stack.push({ kind: "visual", parentId: node.id, depth: depth + 1 });
pushRenderChildren(stack, children.get(node.id) ?? [], depth + 1);
}
emitVisualEntries(parentId, depth, state);
}
function renderNodes(