Function copy

_benchmarks/sample_antd.js:76133–76226

(text, options)

}

function copy(text, options) {
  var debug,
    message,
    reselectPrevious,
    range,
    selection,
    mark,
    success = false;
  if (!options) {
    options = {};
  }
  debug = options.debug || false;
  try {
    reselectPrevious = deselectCurrent();

    range = document.createRange();
    selection = document.getSelection();

    mark = document.createElement("span");
    mark.textContent = text;
    // reset user styles for span element
    mark.style.all = "unset";
    // prevents scrolling to the end of the page
    mark.style.position = "fixed";
    mark.style.top = 0;
    mark.style.clip = "rect(0, 0, 0, 0)";
    // used to preserve spaces and line breaks
    mark.style.whiteSpace = "pre";
    // do not inherit user-select (it may be `none`)
    mark.style.webkitUserSelect = "text";
    mark.style.MozUserSelect = "text";
    mark.style.msUserSelect = "text";
    mark.style.userSelect = "text";
    mark.addEventListener("copy", function(e) {
      e.stopPropagation();
      if (options.format) {
        e.preventDefault();
        if (typeof e.clipboardData === "undefined") { // IE 11
          debug && console.warn("unable to use e.clipboardData");
          debug && console.warn("trying IE specific stuff");
          window.clipboardData.clearData();
          var format = clipboardToIE11Formatting[options.format] || clipboardToIE11Formatting["default"]
          window.clipboardData.setData(format, text);
        } else { // all other browsers
          e.clipboardData.clearData();
          e.clipboardData.setData(options.format, text);
        }
      }
      if (options.onCopy) {
        e.preventDefault();
        options.onCopy(e.clipboardData);
      }
    });

    document.body.appendChild(mark);

    range.selectNodeContents(mark);
    selection.addRange(range);