Create a Gist with Node.js (no dependencies)

index.js

const https = require('https')
const { resolve } = require('path')
const { readFileSync } = require('fs')

// In this example, we create a Gist from this very file!
const filename = resolve(__dirname, 'index.js')

// Put your auth string in the `auth` file
// with this format (you need a GitHub personal access token):
// token YourGitHubPersonalAccessToken
// Don't forget to either delete the token or the file afterwards!
const auth = readFileSync('auth', 'utf8').trim()

const content = readFileSync(filename, 'utf8')

const data = JSON.stringify({
  public: false,
  description: 'Create a Gist with Node.js (no dependencies)',
  files: {
    'index.js': {
      content,
    },
  },
})

const options = {
  hostname: 'api.github.com',
  port: 443,
  path: '/gists',
  method: 'POST',
  headers: {
    Accept: 'application/vnd.github.v3+json',
    'Content-Type': 'application/json',
    'Content-Length': data.length,
    Authorization: auth,
    'User-Agent': 'nodejs-gist-creator',
  },
}

const req = https.request(options, (res) => {
  console.log(`statusCode: ${res.statusCode}`)

  res.on('data', (d) => {
    process.stdout.write(d)
  })
})

req.on('error', (error) => {
  console.error(error)
})

req.write(data)
req.end()