Method highlight

packages/muyajs/lib/utils/exportHtml.js:140–156

(code, lang)

        ? this.muya.options.isGitlabCompatibilityEnabled
        : false,
      highlight(code, lang) {
        // Language may be undefined (GH#591)
        if (!lang) {
          return code
        }

        if (DIAGRAM_TYPE.includes(lang)) {
          return code
        }

        const grammar = Prism.languages[lang]
        if (!grammar) {
          console.warn(`Unable to find grammar for "${lang}".`)
          return code
        }
        return Prism.highlight(code, grammar, lang)
      },
      emojiRenderer(emoji) {
        const validate = validEmoji(emoji)
        if (validate) {