@antv/g6
Version:
A Graph Visualization Framework in JavaScript
16 lines • 504 B
JavaScript
/**
* <zh/> 数组去重
*
* <en/> deduplicate array
* @param arr - <zh/> 数组 | <en/> array
* @param by - <zh/> 通过某个属性去重 | <en/> deduplicate by some property
* @returns <zh/> 去重后的数组 | <en/> deduplicated array
*/
export function deduplicate(arr, by = (item) => item) {
const set = new Set();
return arr.filter((item) => {
const key = by ? by(item) : item;
return set.has(key) ? false : set.add(key);
});
}
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