nested-childs

const data = [
  {id: 1, name: "meat", parent_id: null},
  {id: 2, name: "vegi", parent_id: null},
  {id: 3, name: "drink", parent_id: null},
  {id: 4, name: "fish", parent_id: 1},
  {id: 5, name: "beef", parent_id: 1},
  {id: 6, name: "pork", parent_id: 1},
  {id: 7, name: "raw", parent_id: 2},
  {id: 8, name: "boiled", parent_id: 2},
  {id: 9, name: "carbonate", parent_id: 3},
  {id: 10, name: "fried rice beef", parent_id: 5},
  {id: 11, name: "fried rice pork", parent_id: 5},
  {id: 12, name: "morning glory", parent_id: 8},
  {id: 13, name: "coca", parent_id: 9}
];

const results = {};

const findChilds = id => {
  const results = [];
  data.map(child => {
    if (child.parent_id === id) {
      results.push(child);
      child.childs = findChilds(child.id);
    }
  });
  return results;
};

const records = data
  .filter(object => !object.parent_id)
  .map(object => {
    object.childs = findChilds(object.id);
    return object;
  });