8ebceecbb6
Merge origin/main at fb089b2 and retain canvas media performance, player layout, and interaction updates.
Co-authored-by: ddCat <2695092045@qq.com>
26 lines
1.0 KiB
TypeScript
26 lines
1.0 KiB
TypeScript
export type CanvasNodeStackOrder = string[];
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/**
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* Keeps the most recently interacted node at the end of the paint order.
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* This is session-local UI state and is intentionally not persisted with the
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* canvas document.
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*/
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export function bringCanvasNodeToFront(order: CanvasNodeStackOrder, nodeId: string): CanvasNodeStackOrder {
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if (!nodeId) return order;
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if (order.at(-1) === nodeId) return order;
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return [...order.filter((id) => id !== nodeId), nodeId];
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}
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/**
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* Applies the interaction order while preserving the relative order of nodes
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* that have not been interacted with yet.
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*/
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export function sortCanvasNodesByStackOrder<T extends { id: string }>(nodes: T[], order: CanvasNodeStackOrder): T[] {
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if (nodes.length < 2 || order.length === 0) return nodes;
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const rankById = new Map(order.map((id, index) => [id, index]));
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return nodes
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.map((node, index) => ({ node, index, rank: rankById.get(node.id) ?? -1 }))
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.sort((left, right) => left.rank - right.rank || left.index - right.index)
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.map(({ node }) => node);
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}
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