modules/pathkit/ready.js

// See https://github.com/kripken/emscripten/issues/5820#issuecomment-385722568
// for context on why the .then() that comes with Module breaks things (e.g. infinite loops)
// and why the below fixes it.
Module['ready'] = function() {
  return new Promise(function (resolve, reject) {
    delete Module['then'];
    Module['onAbort'] = reject;
    addOnPostRun(function () {
      resolve(Module)
    });
  });
}
// TODO(kjlubick): Shut .then() entirely off in 0.6.0 by uncommenting below.
// delete Module['then'];