79c56475e0
JPEG/GIF/WebP images were not rendering in terminals using the Kitty graphics protocol (Kitty, Ghostty, WezTerm) because it requires PNG format (f=100). Non-PNG images are now converted to PNG using sharp before being sent to the terminal.
27 lines
689 B
TypeScript
27 lines
689 B
TypeScript
/**
|
|
* Convert image to PNG format for terminal display.
|
|
* Kitty graphics protocol requires PNG format (f=100).
|
|
*/
|
|
export async function convertToPng(
|
|
base64Data: string,
|
|
mimeType: string,
|
|
): Promise<{ data: string; mimeType: string } | null> {
|
|
// Already PNG, no conversion needed
|
|
if (mimeType === "image/png") {
|
|
return { data: base64Data, mimeType };
|
|
}
|
|
|
|
try {
|
|
const sharp = (await import("sharp")).default;
|
|
const buffer = Buffer.from(base64Data, "base64");
|
|
const pngBuffer = await sharp(buffer).png().toBuffer();
|
|
return {
|
|
data: pngBuffer.toString("base64"),
|
|
mimeType: "image/png",
|
|
};
|
|
} catch {
|
|
// Sharp not available or conversion failed
|
|
return null;
|
|
}
|
|
}
|