Convert AWS S3 URI to public URL.

convert-to-public-url.ts

const getUrl = (uri: string): string => {
  /**
   * Extracts the bucket and object key from the URI and returns the URL to the object.
   * @param uri The URI of the object.
   * @returns The URL to the object.
   * @example
   * getUrl('s3://bucket-name/object-key') // 'https://bucket-name.s3.amazonaws.com/object-key'
   * getUrl('s3://bucket-name/folder/object-key') // 'https://bucket-name.s3.amazonaws.com/folder/object-key'
   */

  const [bucket, ...objectKeyParts] = uri.slice(5).split('/');
  const objectKey = objectKeyParts.join('/');

  return `https://${bucket}.s3.amazonaws.com/${objectKey}`;
};