bc518174
 王天杨
提交两个项目文件
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const notify = (node) => !node.isLayoutDirty && node.willUpdate(false);
function nodeGroup() {
const nodes = new Set();
const subscriptions = new WeakMap();
const dirtyAll = () => nodes.forEach(notify);
return {
add: (node) => {
nodes.add(node);
subscriptions.set(node, node.addEventListener("willUpdate", dirtyAll));
},
remove: (node) => {
nodes.delete(node);
const unsubscribe = subscriptions.get(node);
if (unsubscribe) {
unsubscribe();
subscriptions.delete(node);
}
dirtyAll();
},
dirty: dirtyAll,
};
}
export { nodeGroup };
//# sourceMappingURL=group.mjs.map
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