cetirizine

An experimental matrix client written in reactjs utilizing tailwind and storybook
git clone git://archive.git.mtrnord.blog/MTRNord/cetirizine.git
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CustomParagraphNode.ts (1555B)

      1 import { $applyNodeReplacement, $getRoot, DOMExportOutput, LexicalEditor, ParagraphNode, SerializedElementNode, SerializedParagraphNode } from "lexical";
      2 
      3 export class CustomParagraphNode extends ParagraphNode {
      4     static getType(): string {
      5         return "custom-paragraph";
      6     }
      7 
      8     static clone(node: CustomParagraphNode): CustomParagraphNode {
      9         return new CustomParagraphNode(node.__key);
     10     }
     11 
     12     exportDOM(editor: LexicalEditor): DOMExportOutput {
     13         const { element } = super.exportDOM(editor);
     14 
     15         if (this.isEmpty()) {
     16             const root = $getRoot();
     17             let foundFurtherText = false;
     18             for (const child of root.getChildren()) {
     19                 if (child === this) {
     20                     continue;
     21                 }
     22                 if (child instanceof CustomParagraphNode || child instanceof ParagraphNode) {
     23                     if (!child.isEmpty()) {
     24                         foundFurtherText = true;
     25                     }
     26                 }
     27             }
     28             if (!foundFurtherText) {
     29                 return { element: null };
     30             }
     31         }
     32 
     33         return { element };
     34     }
     35 
     36     exportJSON(): SerializedElementNode {
     37         const node = super.exportJSON();
     38         node.type = "custom-paragraph";
     39         return node;
     40     }
     41 
     42     static importJSON(node: SerializedParagraphNode): CustomParagraphNode {
     43         return super.importJSON(node);
     44     }
     45 }
     46 
     47 export function $createCustomParagraphNode(): CustomParagraphNode {
     48     return $applyNodeReplacement(new CustomParagraphNode());
     49 }