All files / virtual-dom/helpers markupToVirtualNode.ts

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
 
1x
1x
 
1x
 
 
 
 
 
4x
 
4x
 
 
 
 
4x
 
18x
 
 
 
4x
 
 
 
 
5x
5x
 
 
 
import { VirtualNode } from "../interfaces";
import nodeToVirtualNode from "./nodeToVirtualNode";
import parseFromString from "./parseFromString";
 
export default function markupToVirtualNode(
    markup: string,
    type: 'html' | 'xml' = 'xml',
    options: any = {}
): VirtualNode | string | null {
 
    let nodes = Array.from(parseFromString(markup, type));
 
    Iif (nodes === null) {
 
        return null;
    }
 
    Eif (options.excludeTextWithWhiteSpacesOnly === true) {
 
        nodes = nodes.filter(node => node instanceof HTMLElement ||
            node instanceof Text && !(/^\s*$/g.test((node as Text).textContent)))
    }
 
    return nodes.length > 1 ?
        {
            tag: null,
            attributes: null,
            children: nodes
                .map(n => nodeToVirtualNode(n, options))
                .filter(n => n !== null)
        } :
        nodeToVirtualNode(nodes[0], options);
}