National Pest Management

    image-validator-stream

    1.0.0 • Public • Published

    image-validator-stream

    build status

    Provides a transform stream to inspect the incoming header of an image to detemine if it's a valid image format.

    Currently supports:

    • jpg
    • png
    • gif (87a/89a)

    Example

    const fs = require('fs')
    const path = require('path')
    const ImageValidatorStream = require('image-validator-stream')
     
    function validateThenCopy (src, dst, cb) {
      const ext = path.extname(src)
      const ivs = new ImageValidatorStream({ext: ext})
      ivs.on('error', function (err) {
        err.file = dst
        cb(err)
      })
     
      const out = fs.createWriteStream(dst).on('end', function () {
        cb()
      })
     
      fs.createReadStream(src).pipe(ivs).pipe(out)
    }
     
    validateThenCopy(path.join(__dirname, 'junk.jpg'), 'awesome.jpg', function (err) {
      if (err) {
        fs.unlink(err.file, function (err) {
          if (err) {
            console.log(err)
          }
          console.log('oh noes!')
        })
      } else {
        console.log('awyiss')
      }
    })

    full example

    Installation

    npm install image-validator-stream

    License

    Copyright © 2014 Todd Kennedy, Licensed under the MIT License

    Install

    npm i image-validator-stream

    DownloadsWeekly Downloads

    47

    Version

    1.0.0

    License

    MIT

    Unpacked Size

    43.7 kB

    Total Files

    15

    Last publish

    Collaborators

    • toddself
    • ungoldman