in src/endpoints/PlaylistsEndpoints.ts [59:83]
public async addCustomPlaylistCoverImage(playlist_id: string, imageData: Buffer | HTMLImageElement | HTMLCanvasElement | string) {
let base64EncodedJpeg: string = "";
if (imageData instanceof Buffer) {
base64EncodedJpeg = imageData.toString("base64");
} else if (imageData instanceof HTMLCanvasElement) {
base64EncodedJpeg = imageData.toDataURL("image/jpeg").split(';base64,')[1];
} else if (imageData instanceof HTMLImageElement) {
const canvas = document.createElement("canvas");
canvas.width = imageData.width;
canvas.height = imageData.height;
const ctx = canvas.getContext("2d");
if (!ctx) {
throw new Error("Could not get canvas context");
}
ctx.drawImage(imageData, 0, 0);
base64EncodedJpeg = canvas.toDataURL("image/jpeg").split(';base64,')[1];
} else if (typeof imageData === "string") {
base64EncodedJpeg = imageData;
} else {
throw new Error("ImageData must be a Buffer, HTMLImageElement, HTMLCanvasElement, or string containing a base64 encoded jpeg");
}
await this.addCustomPlaylistCoverImageFromBase64String(playlist_id, base64EncodedJpeg);
}