(function (I) {
  I.esc = function (s) {
    return String(s).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
  };

  I.downloadBlob = function (blob, name) {
    const a = document.createElement('a');
    a.href = URL.createObjectURL(blob);
    a.download = name;
    a.click();
    URL.revokeObjectURL(a.href);
  };

  I.dataUrlToBlob = function (dataUrl) {
    const parts = dataUrl.split(',');
    const mime = parts[0].match(/:(.*?);/)[1];
    const bin = atob(parts[1]);
    const arr = new Uint8Array(bin.length);
    for (let i = 0; i < bin.length; i++) arr[i] = bin.charCodeAt(i);
    return new Blob([arr], { type: mime });
  };

  I.readFileAsDataUrl = function (file) {
    return new Promise(resolve => {
      const fr = new FileReader();
      fr.onload = () => resolve(fr.result);
      fr.readAsDataURL(file);
    });
  };

  I.formatDate = function (d) {
    if (!d || d.length !== 8) return d || '-';
    return d.substring(6, 8) + '.' + d.substring(4, 6) + '.' + d.substring(0, 4);
  };
})(window.App.Infrastructure);