@antv/g2/lib/geometry/util/diff.d.ts

the Grammar of Graphics in Javascript

/**
 * 对比当前元素和之前的元素，返回 added, updated, removed
 * @param keyItem 之前的元素的，按照 key-item 的 object 的形式存储
 * @param keys 现在的元素，按照 array 的形式存储
 * @returns 由 added, updated, removed array 构成的 object
 */
export declare function diff(keyItem: Record<string, any>, keys: string[]): {
    added: any[];
    updated: any[];
    removed: any[];
};