Clean-up junky Ai files by reducing any selected group, compound path, and clipping mask contents to just paths.

UngroupUnclipUncompound.jsx

/**
 * Clean-up junky files by reducing any group, compound path, and clipping mask contents to just paths.
 *
 * This works no matter how nested the container object are and works for better for weird
 * edge cases than trying to remove each element from each container via the API.
 */

var doc = app.activeDocument; // Get active document
var sel = doc.selection; // Get selected items

while (captureItemsToBeFixed().length > 0) {
  app.executeMenuCommand("ungroup");
  app.executeMenuCommand("releaseMask");
  app.executeMenuCommand("noCompoundPath");
}

/** Get all selected groups, compound paths, and clipping masks. */
function captureItemsToBeFixed() {
  var fixMe = [];
  for (var i = 0; i < doc.selection.length; i++) {
    item = doc.selection[i];
    if (
      doc.selection[i].typename === "GroupItem" ||
      doc.selection[i].typename === "CompoundPathItem"
    )
      fixMe.push(doc.selection[i]);
  }
  return fixMe;
}