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import { Injectable } from '@angular/core'
import { LinkifierService } from '@app/shared/renderer/linkifier.service'
import * as sanitizeHtml from 'sanitize-html'
@Injectable()
export class HtmlRendererService {
constructor (private linkifier: LinkifierService) {
}
toSafeHtml (text: string) {
// Convert possible markdown to html
const html = this.linkifier.linkify(text)
return sanitizeHtml(html, {
allowedTags: [ 'a', 'p', 'span', 'br' ],
allowedSchemes: [ 'http', 'https' ],
allowedAttributes: {
'a': [ 'href', 'class', 'target' ]
},
transformTags: {
a: (tagName, attribs) => {
return {
tagName,
attribs: Object.assign(attribs, {
target: '_blank',
rel: 'noopener noreferrer'
})
}
}
}
})
}
}
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