feat(hr): add horizontal rule rendering functionality

src/renderer/MdTextRender.ts

@@ -6,6 +6,7 @@ import { RenderOption } from '../types/renderOption';
 import { HandlePageBreaks } from '../utils/handlePageBreak';
 import {
     renderHeading,
+    renderHR,
     renderList,
     renderListItem,
     renderParagraph,
@@ -82,6 +83,9 @@ export const MdTextRender = async (
                     ordered,
                 );
                 break;
+            case MdTokenType.Hr:
+                y = renderHR(doc, y, options);
+                break;
             case MdTokenType.Raw:
             case MdTokenType.Text:
                 y = renderRawItem(

src/renderer/components/hr.ts

@@ -0,0 +1,14 @@
+import jsPDF from 'jspdf';
+import { RenderOption } from '../../types';
+import { getCharHight } from '../../utils/doc-helpers';
+
+const renderHR = (doc: jsPDF, y: number, options: RenderOption) => {
+    const pageWidth = doc.internal.pageSize.getWidth();
+    doc.setLineDashPattern([1, 1], 0);
+    doc.setLineWidth(0.1);
+    doc.line(options.page.xpading, y, pageWidth - options.page.xpading, y);
+    doc.setLineWidth(0.1);
+    doc.setLineDashPattern([], 0);
+    return y + getCharHight(doc, options);
+};
+export default renderHR;

src/renderer/components/index.ts

@@ -3,3 +3,4 @@ export { default as renderParagraph } from './paragraph';
 export { default as renderList } from './list';
 export { default as renderListItem } from './listItem';
 export { default as renderRawItem } from './rawItem';
+export { default as renderHR } from './hr';