function renderText(options: renderText.IRenderOptions): Promise<void> {
  // Unpack the options.
  let { host, source } = options;

  // Escape the terminal codes and HTML tags.
  let data = escape_for_html(source);

  // Create the HTML content.
  let content = ansi_to_html(data, { use_classes: true });

  // Set the inner HTML for the host node.
  host.innerHTML = `<pre>${content}</pre>`;

  // Return the rendered promise.
  return Promise.resolve(undefined);
}

// prepare raw data for passing to jQuery.terminal's .echo method
function escapeTerminalOutput(text) {
    // term.echo will always append newline (which, by the way, really
    // messes up commands that write lines to stdout in multiple chunks,
    // see https://github.com/hraban/lush/issues/67) so strip one off
    // the end of the output if there already is one.
    if (U.hassuffix(text, '\r\n')) {
        text = text.slice(0, -2);
    } else if (U.hassuffix(text, '\n')) {
        text = text.slice(0, -1);
    }
    text = U.escapeHTML(text);
    text = ansi_up.ansi_to_html(text);
    // jquery.terminal interprets square brackets in a weird way
    text = text.replace(/\[/g, '[');
    return text;
}

export function renderText(options: renderText.IRenderOptions): Promise<void> {
  // Unpack the options.
  let { host, source } = options;

  const ansiUp = new AnsiUp();
  ansiUp.escape_for_html = true;
  ansiUp.use_classes = true;

  // Create the HTML content.
  let content = ansiUp.ansi_to_html(source);

  // Set the inner HTML for the host node.
  host.innerHTML = `<pre>${content}</pre>`;

  // Return the rendered promise.
  return Promise.resolve(undefined);
}

function appendToBuildLog(build, text) {
    return {
        type: APPEND_TO_BUILD_LOG,
        payload: { buildId: build.id, text: ansiToHtml(text) }
    };
}

export function populateBuildLog(id, data) {
    return {
        type: POPULATE_BUILD_LOG,
        payload: { id, data: data ? ansiToHtml(data) : undefined },
    };
}