@quasar/quasar-ui-qmarkdown/src/util/extendBlockQuote.js

Display inline markdown in your Quasar App

export default function extendBlockQuote(md) {
  md.renderer.rules.blockquote_open = (tokens, idx, options, env, self) => {
    const token = tokens[idx]

    token.attrSet('class', 'q-markdown--note')
    return self.renderToken(tokens, idx, options)
  }
}