@c8y/ngx-components
Version:
Angular modules for Cumulocity IoT applications
57 lines • 9.26 kB
JavaScript
import { Pipe, SecurityContext } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
import { from, of } from 'rxjs';
import { catchError, map } from 'rxjs/operators';
import * as i0 from "@angular/core";
import * as i1 from "@angular/platform-browser";
export class MarkdownToHtmlPipe {
constructor(sanitizer) {
this.sanitizer = sanitizer;
}
transform(markdown, args) {
return markdown
? from(import('marked')).pipe(map(marked => {
const renderer = new marked.Renderer();
const baseUrl = args?.baseUrl || '';
if (baseUrl) {
const originalRendererImage = renderer.image;
renderer.image = image => {
const { href } = image;
image.href = baseUrl + href;
return originalRendererImage.call(renderer, image);
};
}
const anchorWithAttributes = `<a target="_blank" rel="noreferrer noopener nofollow" `;
const originalRendererLink = renderer.link;
renderer.link = link => {
const { href } = link;
const { hostname, protocol } = window.location;
const localLink = href.startsWith(`${protocol}//${hostname}`);
const html = originalRendererLink.call(renderer, link);
return localLink ? html : html.replace(/^<a /, anchorWithAttributes);
};
const originalRendererHtml = renderer.html;
renderer.html = html => {
const anchorWithAttributes = `<a target="_blank" rel="noreferrer noopener nofollow" `;
html.text = html.text.replace(/<a /, anchorWithAttributes);
html.raw = html.raw.replace(/<a /, anchorWithAttributes);
return originalRendererHtml.call(renderer, html);
};
return marked.parse(markdown, { renderer });
}), map(html => this.sanitizer.sanitize(SecurityContext.HTML, html)), catchError(e => {
console.warn(e);
return of('<p>Failed to process markdown file.</p>');
}))
: of('');
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: MarkdownToHtmlPipe, deps: [{ token: i1.DomSanitizer }], target: i0.ɵɵFactoryTarget.Pipe }); }
static { this.ɵpipe = i0.ɵɵngDeclarePipe({ minVersion: "14.0.0", version: "18.2.13", ngImport: i0, type: MarkdownToHtmlPipe, isStandalone: true, name: "markdownToHtml" }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: MarkdownToHtmlPipe, decorators: [{
type: Pipe,
args: [{
name: 'markdownToHtml',
standalone: true
}]
}], ctorParameters: () => [{ type: i1.DomSanitizer }] });
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