filereader-pull-stream

Given an HTML5 File object (from e.g. HTML5 drag and drops), turn it into a pull stream source.

Heavily based on filereader-stream by @maxogden.

install

Use it with npm & browserify

npm install filereader-pull-stream

example

var drop = require('drag-and-drop-files')
var pull = require('pull-stream')
var fileReaderPullStream = require('filereader-pull-stream')

drop(document.body, function (files) {
  var first = files[0]
  pull(
    fileReaderStream(first),
    pull.collect(function (err, buffs) {
      var contents = Buffer.concat(buffs)
      // contents is the contents of the entire file
    })
  )
})

usage

var fileReaderPullStream = require('filereader-pull-stream')
var source = fileReaderPullStream(file, [options])

fileReaderPullStream is a pull stream source.

options:

• chunkSize - default 1024 * 1024 (1MB) - How many bytes will be read at a time
• offset - default 0 - Where in the file to start reading

run the tests

npm install
npm test

then open your browser to the address provided, open your JS console, and drag and drop files onto the page until the test suite passes/fails