Upload static image to Discord CDN through webhooks

webhook.js

// upload images on discord to use through webhook avatar
// inb4 used to load images on discord but now I use application
async uploadExternalImagesFromWebhook(link: string, webhookUrl: string) {
    const params = {
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
            avatar_url: link,
            content: `<${link}>`
        }),
        method: "POST"
    };

    let response = await fetch(`${webhookUrl}?wait=true`, params).then(res => res.json());

    let messsageId = response.webhook_id;
    let avatarHash = response.author.avatar;

    if (!avatarHash) { // might do a while loop here until xx retries
        this.logger.warn("Avatar hash is null, likely still unloaded, attempting to fetch it again..");
        response = await fetch(`${webhookUrl}/messages/${response.id}`).then(res => res.json());

        avatarHash = response.author.avatar;
    }
    
    // you can delete the webhook here ig
    return `mp:avatars/${messsageId}/${avatarHash}.png`;
}