src/lib/utils/blobToBase64DataUri.ts

export const blobToBase64DataUri = async (blob: Blob): Promise<string> =>
  new Promise((resolve, reject) => {
    const reader = new FileReader()

    reader.onload = (event) => {
      const dataUrl = (event.target?.result || '') as string
      if (!dataUrl) {
        throw new Error(`invalid blob`)
      }
      resolve(dataUrl)
    }

    reader.readAsDataURL(blob)
  })