/* Xeslint-disable */

/////////////////////////////////
// General utility library
//
export default {
  ///////////////////////////////
  // CLEAN OBJECT
  // Clear all properties from object without resorting to assigning a new object (o={})
  // which can be problematic in some cases (IE bugs, watched data items in forms etc)

  removeAllPropertiesFromObject: function(o) {
    for (var variableKey in o) {
      if (o.hasOwnProperty(variableKey)) {
        delete o[variableKey];
      }
    }
  },
  /**
   * Copy a string to clipboard
   * @param  {String} string         The string to be copied to clipboard
   * @return {Boolean}               returns a boolean correspondent to the success of the copy operation.
   * Modified from an example here: https://stackoverflow.com/a/53951634/8939
   * Basically a fallback if navigator.clipboard is not available
   */
  copyToClipboard: function(string) {
    let textarea;
    let result;

    if (navigator && navigator.clipboard) {
      navigator.clipboard.writeText(string);
    } else {
      try {
        textarea = document.createElement("textarea");
        textarea.setAttribute("readonly", true);
        textarea.setAttribute("contenteditable", true);
        textarea.style.position = "fixed"; // prevent scroll from jumping to the bottom when focus is set.
        textarea.value = string;

        document.body.appendChild(textarea);

        textarea.focus();
        textarea.select();

        const range = document.createRange();
        range.selectNodeContents(textarea);

        const sel = window.getSelection();
        sel.removeAllRanges();
        sel.addRange(range);

        textarea.setSelectionRange(0, textarea.value.length);
        result = document.execCommand("copy");
      } catch (err) {
        //console.error(err);
        result = null;
      } finally {
        document.body.removeChild(textarea);
      }

      // manual copy fallback using prompt
      if (!result) {
        const isMac = navigator.platform.toUpperCase().indexOf("MAC") >= 0;
        const copyHotkey = isMac ? "⌘C" : "CTRL+C";
        result = prompt(`Press ${copyHotkey}`, string);
        if (!result) {
          return false;
        }
      }
    }
    return true;
  }

  //new functions above here
};