DiscordJS Canvas 静默失败。为什么？

Question

我一直在学习创建 Discord 机器人的基础知识，并且一直在尝试将 Canvas 与 DiscordJS 结合使用。

我尝试关注this simple tutorial，但我似乎无法找到任何可能出错的线索。

作为参考，这是我在教程中得到的要点。

client.on('guildMemberAdd', async member => {
    const channel = member.guild.channels.cache.find(ch => ch.name === 'member-log');
    if (!channel) return;

    const canvas = Canvas.createCanvas(700, 250);
    const ctx = canvas.getContext('2d');

    // Since the image takes time to load, you should await it
    const background = await Canvas.loadImage('./wallpaper.jpg');
    // This uses the canvas dimensions to stretch the image onto the entire canvas
    ctx.drawImage(background, 0, 0, canvas.width, canvas.height);
    // Use helpful Attachment class structure to process the file for you
    const attachment = new Discord.MessageAttachment(canvas.toBuffer(), 'welcome-image.png');

    channel.send(`Welcome to the server, ${member}!`, attachment);
});

当此函数触发时，它应该导致机器人向服务器发送“欢迎来到服务器，[此处的成员名称]”作为消息以及指定的附件。

但是，它并没有这样做，而是将消息发送到服务器，根本没有附件。

我在测试时也没有出错。

谁能告诉我这里可能出了什么问题？

编辑：经过进一步实验，我找到了解决方案。

client.on('guildMemberAdd', async member => {
    console.log("Here we go");
    console.log(member.guild.name);
    const channel = member.guild.channels.find(ch => ch.name === 'general');

    if (!channel) return;

    // Set a new canvas to the dimensions of 700x250 pixels
    const canvas = Canvas.createCanvas(2097, 2097); //Works correctly
    // ctx (context) will be used to modify a lot of the canvas

    const ctx = canvas.getContext('2d');

    // Since the image takes time to load, you should await it
    const background = await Canvas.loadImage('./sadman.jpg'); //Finds it
    // This uses the canvas dimensions to stretch the image onto the entire canvas
    ctx.drawImage(background, 0, 0, canvas.width, canvas.height);
    // Use helpful Attachment class structure to process the file for you

    channel.send(`Welcome to the server, ${member}!`, { files: [{ attachment: canvas.toBuffer() }] });
});

Answer 1

这很可能是因为您没有在 Canvas.loadImage('./wallpaper.jpg'); 您的图片与该名称完全匹配吗？确保您的代码可以读取该目录中的该文件