ai-stories-factory / src /lib /base64 /addBase64HeaderToJpeg.ts
jbilcke-hf's picture
jbilcke-hf HF staff
making progress on the AI Stories Factory
6821e3e
raw
history blame
412 Bytes
export function addBase64HeaderToJpeg(base64Data: string) {
if (typeof base64Data !== "string" || !base64Data) {
return ""
}
if (base64Data.startsWith('data:')) {
if (base64Data.startsWith('data:image/jpeg;base64,')) {
return base64Data
} else {
throw new Error("fatal: the input string is NOT a JPEG image!")
}
} else {
return `data:image/jpeg;base64,${base64Data}`
}
}