@datalayer/core/lib/utils/Uri.js

[](https://datalayer.io)

/*
 * Copyright (c) 2023-2025 Datalayer, Inc.
 * Distributed under the terms of the Modified BSD License.
 */
export const currentUri = () => {
    return window.location.protocol + '//' + window.location.host;
};
// https://stackoverflow.com/questions/12168909/blob-from-dataurl
export const dataURItoBlob = (dataURI) => {
    // Convert base64 to raw binary data held in a string.
    // Doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this.
    const byteString = atob(dataURI.split(',')[1]);
    // Separate out the mime component.
    const mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
    // Write the bytes of the string to an ArrayBuffer.
    const ab = new ArrayBuffer(byteString.length);
    // Create a view into the buffer.
    const ia = new Uint8Array(ab);
    // Set the bytes of the buffer to the correct values.
    for (let i = 0; i < byteString.length; i++) {
        ia[i] = byteString.charCodeAt(i);
    }
    // Write the ArrayBuffer to a blob, and you're done.
    const blob = new Blob([ab], { type: mimeString });
    return blob;
};