【发布时间】：2021-09-29 09:43:38
【问题描述】：
我正在尝试从现有的深度嵌套对象数组创建新的嵌套树对象数组，以构建我想要的树节点 ID、名称及其嵌套子对象（如果有）。
const treeData = [{
"jssType": "fieldset",
"jssSelectLabel": "Fieldset (with legend)",
"jssSelectGroup": "jssItem",
"jsName": "fieldset-715",
"jssLabel": "Legend",
"jssIcon": "typcn typcn-folder",
"expanded": true,
"children": [{
"jssType": "list-ol",
"jssSelectLabel": "List - ol",
"jssSelectGroup": "jssItem",
"jsName": "list-ol-147",
"jssLabel": "",
"jssIcon": "dashicons dashicons-editor-ol",
"noChildren": false,
"expanded": true,
"children": [{
"jssType": "list-li",
"jssSelectLabel": "List Item - li",
"jssSelectGroup": "jssItem",
"jsName": "list-li-752",
"jssLabel": "",
"jssIcon": "dashicons dashicons-editor-ul",
"noChildren": false,
"expanded": true,
"children": [{
"jssType": "text",
"jssSelectLabel": "Text (short text)",
"jssSelectGroup": "jsTag",
"jsName": "text-422",
"jssLabel": "Your Name (required)",
"jsRequired": true,
"jsTagOptions": [{
"jsOption": "",
"optionLabel": "Default value",
"optionType": "input"
},
{
"jsOption": "placeholder",
"isChecked": false,
"optionLabel": "Use this text as the placeholder of the field",
"optionType": "checkbox"
},
{
"jsOption": "akismet_author_email",
"isChecked": false,
"optionLabel": "Akismet - this field requires author's email address",
"optionType": "checkbox"
}
],
"jsValues": "",
"jsPlaceholder": false,
"jsAkismetAuthor": false,
"jsIdAttribute": "",
"jsClassAttribute": "",
"jssIcon": "typcn typcn-sort-alphabetically",
"noChildren": true
}]
},
{
"jssType": "list-li",
"jssSelectLabel": "List Item - li",
"jssSelectGroup": "jssItem",
"jsName": "list-li-538",
"jssLabel": "",
"jssIcon": "dashicons dashicons-editor-ul",
"noChildren": false,
"expanded": true,
"children": [{
"jssType": "email",
"jssSelectLabel": "Email",
"jssSelectGroup": "jsTag",
"jsName": "email-842",
"jssLabel": "Email Address (required)",
"jsRequired": true,
"jsTagOptions": [{
"jsOption": "",
"optionLabel": "Default value",
"optionType": "input"
},
{
"jsOption": "placeholder",
"isChecked": false,
"optionLabel": "Use this text as the placeholder of the field",
"optionType": "checkbox"
},
{
"jsOption": "akismet_author_email",
"isChecked": false,
"optionLabel": "Akismet - this field requires author's email address",
"optionType": "checkbox"
}
],
"jsValues": "",
"jsPlaceholder": false,
"jsAkismetAuthorEmail": false,
"jsIdAttribute": "",
"jsClassAttribute": "",
"jssIcon": "typcn typcn-mail",
"noChildren": true
}]
},
{
"jssType": "list-li",
"jssSelectLabel": "List Item - li",
"jssSelectGroup": "jssItem",
"jsName": "list-li-855",
"jssLabel": "",
"jssIcon": "dashicons dashicons-editor-ul",
"noChildren": false,
"expanded": true,
"children": [{
"jssType": "textarea",
"jssSelectLabel": "Textarea (long text)",
"jssSelectGroup": "jsTag",
"jsName": "textarea-217",
"jssLabel": "Your Message",
"jsRequired": false,
"jsTagOptions": [{
"jsOption": "",
"optionLabel": "Default value",
"optionType": "input"
},
{
"jsOption": "placeholder",
"isChecked": false,
"optionLabel": "Use this text as the placeholder of the field",
"optionType": "checkbox"
}
],
"jsValues": "",
"jsPlaceholder": false,
"jsIdAttribute": "",
"jsClassAttribute": "",
"jssIcon": "typcn typcn-document-text",
"noChildren": true
}]
}
]
},
{
"jssType": "paragraph",
"jssSelectLabel": "Paragraph - p",
"jssSelectGroup": "jssItem",
"jsName": "paragraph-993",
"jssContent": "* Required",
"jssIcon": "dashicons dashicons-editor-paragraph",
"noChildren": true
}
]
},
{
"jssType": "submit",
"jssSelectLabel": "Submit",
"jssSelectGroup": "jsTag",
"jsName": "submit-704",
"jssLabel": "Send",
"jsValues": "",
"jsRequired": false,
"jsIdAttribute": "",
"jsClassAttribute": "",
"jssIcon": "typcn typcn-mail",
"noChildren": true
},
];
My expected data will be in format like below model:
export class TreeNode {
id: number;
label: string;
level: number;
expandable: boolean;
children: TreeNode[];
sequence?: string;
isParentNode?: boolean;
}
我可以使用多个循环来实现这一点，但在这种情况下很多代码是重复的，所以我正在寻找一些递归函数。因此，使用最少的 cade，我将能够检索整个数组并从中准备新的对象数组。 任何人都可以帮助我实现这一目标。提前谢谢你。
【问题讨论】：
-
你能给出你想要的示例格式吗
-
当然@JagadishLenka，我正在寻找以下数据格式：let treeData =[{ id: 1 label: ParentOne, level: 0, expandable: true, children: [{ id: 1 label: childOne ，级别：1，可扩展：true，子项：[{ id：1 标签：nestedChild1，级别：2，可扩展：true }，{ id：1 标签：nestedChild2，级别：2，可扩展：true}] }] }] ;它是我树的单个节点。我尝试过递归，但它给了我最大堆栈调用错误并且应用程序卡住了
标签： javascript angular angular-material tree