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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | 1x 5x 5x 5x 5x 5x 2x 3x 4x 4x 2x | /**
* @description 通过自定义函数cb，格式化tree为所需，直接在cb函数改变数值即可
* @function formatTree
* @param {object} obj - 入参对象
* @param {object} obj.tree - 原始tree
* @param {string} obj.key - 子树的属性名称
* @param {function} [obj.cb] - 自定义格式化函数
* @returns {array} 通过自定义格式化函数，格式化后的tree
* @author liukun <919590347@qq.com>
* @example
import { formatTree } from '@wont/utils'
const beforeTree = {
id: 0,
children: [
{
id: 1,
label: '1-1',
children: [
{
id: 11,
label: '1-1-1',
children: [
{
id: 111,
label: '1-1-1-1',
},
],
},
],
},
{
id: 2,
label: '2-1',
},
],
}
const afterTree = {
id: 0,
value: 0,
selectable: false,
children: [
{
id: 1,
value: 1,
label: '1-1',
selectable: false,
children: [
{
id: 11,
value: 11,
label: '1-1-1',
selectable: false,
children: [
{
id: 111,
value: 111,
label: '1-1-1-1',
},
],
},
],
},
{
id: 2,
value: 2,
label: '2-1',
},
],
}
formatTree({
tree: beforeTree,
key: 'children',
cb: (obj) => {
const result = obj
result.value = obj.id
if (result.children?.length > 0) {
result.selectable = false
}
},
})
// returns afterTree
*/
type Fn = (...rest: any[]) => boolean | void
interface Param {
tree: Record<string, any>
cb: Fn
level?: number
key?: string
}
export function formatTree(param: Param): boolean | void {
const { tree, cb, level = 1, key = 'children' } = param;
const treeItem = tree[key];
const editedObj = cb(tree, level);
Iif (editedObj) return editedObj;
if (!(Array.isArray(treeItem) && treeItem.length > 0)) {
return true;
}
for (const item of treeItem) {
const needStop = formatTree({
tree: item,
cb,
key,
level: level + 1,
});
if (needStop) {
break;
}
}
}
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