如何使用 lodash 修改深层嵌套对象数组的对象?

时间:2020-12-26 05:41:25

标签: javascript reactjs lodash

我的 react js 应用程序中有一个对象数组,我想动态修改数组的内部对象;下面是我的数组:

sections: [
            {
                id: 'e9904688-fd8a-476d-8f46-930bc4d888d1',
                name: 'sec-e9904688-fd8a-476d-8f46-930bc4d888d1',
                rows: [
                    {
                        id: '2f1bc178-d2bf-4283-ae9c-868513af789f',
                        name: 'row-2f1bc178-d2bf-4283-ae9c-868513af789f',
                        cols: [
                            {
                                id: 'e0a56604-196a-4dcc-a04e-a56968a2f8aa',
                                name: 'col-e0a56604-196a-4dcc-a04e-a56968a2f8aa',
                                isEmpty: false,
                                size: {
                                    lg: { i: "col-e0a56604-196a-4dcc-a04e-a56968a2f8aa", x: 0, y: 0, w: 5, h: 4 },
                                    md: { i: "col-e0a56604-196a-4dcc-a04e-a56968a2f8aa", x: 0, y: 0, w: 5, h: 4 },
                                    sm: { i: "col-e0a56604-196a-4dcc-a04e-a56968a2f8aa", x: 0, y: 0, w: 5, h: 4 },
                                    xs: { i: "col-e0a56604-196a-4dcc-a04e-a56968a2f8aa", x: 0, y: 0, w: 5, h: 4 },
                                    xxs: { i: "col-e0a56604-196a-4dcc-a04e-a56968a2f8aa", x: 0, y: 0, w: 5, h: 4 }
                                },
                                controles: [
                                    {
                                        id: '37619580-6ba6-4058-a39b-2d57d23007d6',
                                        name: 'control name',
                                        type: 'control type',
                                        options: [
                                            {},
                                            {}
                                        ]
                                    }
                                ]
                            },
                            {
                                id: 'adad03c8-60f3-4db1-8c6c-a125bbd7f114',
                                name: 'col-adad03c8-60f3-4db1-8c6c-a125bbd7f114',
                                isEmpty: false,
                                size: {
                                    lg: { i: "col-adad03c8-60f3-4db1-8c6c-a125bbd7f114", x: 6, y: 0, w: 7, h: 4 },
                                    md: { i: "col-adad03c8-60f3-4db1-8c6c-a125bbd7f114", x: 6, y: 0, w: 7, h: 4 },
                                    sm: { i: "col-adad03c8-60f3-4db1-8c6c-a125bbd7f114", x: 6, y: 0, w: 7, h: 4 },
                                    xs: { i: "col-adad03c8-60f3-4db1-8c6c-a125bbd7f114", x: 6, y: 0, w: 7, h: 4 },
                                    xxs: { i: "col-adad03c8-60f3-4db1-8c6c-a125bbd7f114", x: 6, y: 0, w: 7, h: 4 }
                                },
                                controles: [
                                    {
                                        id: '37619580-6ba6-4058-a39b-2d57d23007d6',
                                        name: 'control name',
                                        type: 'control type',
                                        options: [
                                            {},
                                            {}
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }
        ]

例如我想用这个 {w: 1, h: 4, x: 0, y: 0, i: "col-e0a56604-196a-4dcc-a04e- a56968a2f8aa"} 与 lodash;谁能帮我怎么做?

1 个答案:

答案 0 :(得分:0)

如果可能,您可以使用 immer,您可以在此处查看 doc 页面

它将创建一个草稿状态并更新新对象,而不更新主对象。

import produce from "immer";

const baseState = [
  {
    name: 'Swaraj',
    suname: 'Gandhi'
  },
  {
    name: 'Dhruva',
    surname: 'Dave'
  },
];

const nextState = produce(baseState, (draftState) => {
  draftState.push({ name: 'Ayush', surname: 'Kapoor' });
  draftState[1].suname = 'test';
});
// nextState = [{ name: 'Swaraj', suname: 'Gandhi' }, { name: 'Dhruva', surname: 'test'}, { name: 'Ayush', surname: 'Kapoor' }]
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