web-push: urlBase64ToUint8array

urlBase64ToUint8array.js

// Web-Push
// Public base64 to Uint
function urlBase64ToUint8Array(base64String) {
    var padding = '='.repeat((4 - base64String.length % 4) % 4);
    var base64 = (base64String + padding)
        .replace(/\-/g, '+')
        .replace(/_/g, '/');

    var rawData = window.atob(base64);
    var outputArray = new Uint8Array(rawData.length);

    for (var i = 0; i < rawData.length; ++i) {
        outputArray[i] = rawData.charCodeAt(i);
    }
    return outputArray;
}

Throws an error => Uncaught (in promise) ReferenceError: window is not defined
at urlBase64ToUint8Array

Throws an error => Uncaught (in promise) ReferenceError: window is not defined at urlBase64ToUint8Array

Instead of window.atob(base64), you can use something like Buffer.from(base64, 'base64').toString() assuming that you're trying to use node.js.

Throws an error => Uncaught (in promise) ReferenceError: window is not defined at urlBase64ToUint8Array

Instead of window.atob(base64), you can use something like Buffer.from(base64, 'base64').toString() assuming that you're trying to use node.js.

here's an example:

function urlBase64ToUint8Array(base64String: string) {
  const padding = "=".repeat((4 - (base64String.length % 4)) % 4);
  const base64 = (base64String + padding)
    .replace(/\\-/g, "+")
    .replace(/_/g, "/");
  return Buffer.from(base64, "base64");
}