window.__FluidSynthReady = new Promise(function (resolve) {
  var FLUIDSYNTH_SRC;

  if (window.__FLUIDSYNTH_CDN) {
    FLUIDSYNTH_SRC = window.__FLUIDSYNTH_CDN;
  } else if (window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1') {
    FLUIDSYNTH_SRC = 'https://cdn.jsdelivr.net/npm/@enikey87/fluidsynth-emscripten@0.1.1/dist/libfluidsynth-2.3.0-sf3.js';
  } else {
    FLUIDSYNTH_SRC = '/static/js/vendor/libfluidsynth-2.3.0-sf3.js';
  }

  var script = document.createElement('script');
  script.type = 'module';
  script.textContent = [
    'import FluidsynthModule from "' + FLUIDSYNTH_SRC + '";',
    'window.__FluidSynthModuleFactory = FluidsynthModule;',
    'window.__FluidSynthReadyResolver = function() { window.__FluidSynthReadyResolve(); };',
    'console.log("[FluidSynth] Loaded from:", "' + FLUIDSYNTH_SRC + '");'
  ].join('\n');
  document.head.appendChild(script);

  window.__FluidSynthReadyResolve = resolve;
});