@layui/layui-vue/es/table/hooks/useTableExpand.js

a component library for Vue 3 base on layui-vue

import { reactive as c, watch as p } from "vue";
import { loopForEach as s } from "../../utils/arrayUtil.js";
function u(e, t) {
  const a = c([...e.expandKeys]);
  return p(() => e.expandKeys, () => {
    a.splice(0, a.length, ...e.expandKeys);
  }, { deep: !0 }), p(() => [e.defaultExpandAll, e.dataSource], () => {
    if (e.defaultExpandAll) {
      const n = [];
      s(e.dataSource, e.childrenColumnName, (d) => {
        n.push(d[e.id]);
      }), a.splice(0, a.length, ...n);
    }
  }, { immediate: !0, deep: !0 }), p(() => [e.defaultExpandAll], () => {
    e.defaultExpandAll || a.splice(0, a.length);
  }, { deep: !0 }), { checkExpand: function(n) {
    return a.includes(n);
  }, toggleExpand: function(n, d) {
    d ? a.push(n) : a.splice(a.indexOf(n), 1), t("update:expandKeys", a);
  } };
}
export {
  u as useTableExpand
};