Function markdown

source/app/metrics/utils.mjs:287–320

(text, {mode = "inline", codelines = Infinity} = {})

/**Markdown-html sanitizer-interpreter */
export async function markdown(text, {mode = "inline", codelines = Infinity} = {}) {
  //Sanitize user input once to prevent injections and parse into markdown
  let rendered = await marked.parse(htmlunescape(htmlsanitize(text)), {highlight, silent: true, xhtml: true})
  //Markdown mode
  switch (mode) {
    case "inline": {
      rendered = htmlsanitize(
        htmlsanitize(rendered, {
          allowedTags: ["h1", "h2", "h3", "h4", "h5", "h6", "br", "blockquote", "code", "span"],
          allowedAttributes: {code: ["class"], span: ["class"]},
        }),
        {
          allowedAttributes: {code: ["class"], span: ["class"]},
          transformTags: {h1: "b", h2: "b", h3: "b", h4: "b", h5: "b", h6: "b", blockquote: "i"},
        },
      )
      break
    }
    default:
      break
  }
  //Trim code snippets
  rendered = rendered.replace(/(?<open><code[\s\S]*?>)(?<code>[\s\S]*?)(?<close><\/code>)/g, (m, open, code, close) => { //eslint-disable-line max-params
    const lines = code.trim().split("\n")
    if (lines.length > 1) {
      if (/class=".*language-[\s\S]+?.*"/.test(open))
        open = open.replace(/>/g, ` class="language-multiline ${open.match(/class="(?<class>[\s\S]+)"/)?.groups.class}" xml:space="preserve">`)
      else if (!/class="[\s\S]*"/.test(open))
        open = open.replace(/>/g, ' class="language-multiline" xml:space="preserve">')
    }
    return `${open}${lines.slice(0, codelines).join("\n")}${lines.length > codelines ? `\n<span class="token trimmed">(${lines.length - codelines} more ${lines.length - codelines === 1 ? "line was" : "lines were"} trimmed)</span>` : ""}${close}`
  })
  return rendered
}

/**Filters */
export const filters = {