import type { ComboData, EdgeData, GraphData, NodeData } from '../spec'; import type { ElementDatum } from '../types'; /** * 合并两个 节点/边/Combo 的数据 * * Merge the data of two nodes/edges/combos * @param original - 原始数据 | original data * @param modified - 待合并的数据 | data to be merged * @returns 合并后的数据 | merged data * @remarks * 只会合并第一层的数据,data、style 下的二级数据会被覆盖 * * Only the first level of data will be merged, the second level of data under data and style will be overwritten */ export declare function mergeElementsData(original: T, modified: Partial): T; /** * 克隆元素数据 * * Clone clement data * @param data - 待克隆的数据 | data to be cloned * @returns 克隆后的数据 | cloned data * @remarks * 只会克隆到第二层(data、style) * * Only clone to the second level (data, style) */ export declare function cloneElementData(data: T): T; /** * 判断数据是否为空 * * Determine if the data is empty * @param data - 图数据 | graph data * @returns 是否为空 | is empty */ export declare function isEmptyData(data: GraphData): boolean; /** * 判断两个元素数据是否相等 * * Determine if two element data are equal * @param original - 原始数据 | original data * @param modified - 修改后的数据 | modified data * @returns 是否相等 | is equal * @remarks * 相比于 isEqual,这个方法不会比较更下层的数据 * * Compared to isEqual, this method does not compare data at a lower level */ export declare function isElementDataEqual(original?: Partial, modified?: Partial): boolean;