ice.fo.utils/Builder/removeChildrenFoInstance.js

export default async function removeChildrenFoInstance({ $axios, parentId, instanceId }) {
  const { data: parentData } = await $axios.request({
    url: '/adm/foInstance/read',
    params: {
      id: parentId,
    },
  });

  const parentInstance = parentData.item;
  const parentChildrenIds = (parentInstance.instances || []).map((i) => i.id);
  // Remove select instance from parent
  const filteredInstances = parentChildrenIds.filter((id) => id != instanceId);

  await $axios.request({
    url: '/adm/foInstance/save',
    method: 'post',
    data: {
      instanceId: parentId,
      instances: filteredInstances.join(','),
    },
  });
}