UnhandledPromiseRejectionWarning：错误：ENOENT：没有这样的文件或目录，stat'/assets/level.png'

Question

So currently, I'm working on a project within an application you may know - Discord. I am currently trying to code a bot and have come to the task of getting it to send images from a local file source. My bot is hosted with Heroku which means all the files are local to the cloud it is on and every file I upload is maintained in the hierarchy it is in when pushed. Moreover, I have uploaded all the files I need and all the code is working and up-to-date apart from one little thing. The file that I want to send.

module.exports.run = async(bot, message, args) => {
    message.channel.send('', {files: ['../assets/level.png']});
};

These lines of code should send an image of a simple, grey rectangle (png) file. However.. it does not. Instead, my console returns these lines:

2019-01-16T19:58:24.366174+00:00 app[worker.1]: (node:4) 
UnhandledPromiseRejectionWarning: Error: ENOENT: no such file or directory, stat '/assets/level.png'
2019-01-16T19:58:24.366478+00:00 app[worker.1]: (node:4) 
UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated 
either by throwing inside of an async function without a catch block, or by rejecting a 
promise which was not handled with .catch(). (rejection id: 1)

Any suggestions on what the fix might be would be great. Also, if you would like to contact me on what my current files look like, please don't hesitate to contact me on Discord @ I'mALittleTeapot#0001. Thank you.

Answer 1

according to the docs of discord.js ( https://discord.js.org/#/docs/main/stable/class/DMChannel?scrollTo=send ) (checked the textchannel channel.send() & it looks the same)

this is how you call that function:

// Send a local file
channel.send({
  files: [{
    attachment: 'entire/path/to/file.jpg',
    name: 'file.jpg'
  }]
})
  .then(console.log)
  .catch(console.error);

it looks like you need to provide a path for the attachment and a name for it (well the name is optional)

unsure of this but if channel.send does indeed support the syntax you used, then, I would look into that "entire/path/to/file.jpg" which strongly suggests you can't use relative paths .