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    component-filepublic

    File

    File component wrapping the native File and FileReader objects with a higher level API.

    Installation

    node.js:

    $ npm install file-component

    browser:

    $ component install component/file

    Events

    Reader

    • error an error occurred
    • progress in progress (e.percent etc)
    • end read is complete

    Example

    var file = require('file');
    var input = document.querySelector('input');
     
    input.onchange = function(){
      var img = file(input.files[0]);
     
      if (!img.is('image/*')) {
        alert('Images only!');
        return;
      }
     
      var reader = img.toDataURL(function(err, str){
        if (err) throw err;
        var img = document.createElement('img');
        img.src = str;
        img.height = 300;
        document.body.appendChild(img);
      });
     
      reader.on('progress', function(e){
        console.log(e.percent);
      });
    };

    API

    file(file)

    Wraps a File object:

    var file = require('file');
    file(input.files[0]);

    File#is(type)

    Returns a boolean if the file's mime type matches type:

    var file = require('file');
    file(input.files[0]);
    file.is('image/*');
    file.is('image/jpeg');
    file.is('*/json');

    File#toArrayBuffer(fn)

    Convert to an ArrayBuffer and invoke fn(err, result), returns a Reader.

    File#toText(fn)

    Convert to text and invoke fn(err, result), returns a Reader.

    File#toDataURL(fn)

    Convert to a data uri string and invoke fn(err, result), returns a Reader.

    License

    MIT

    Keywords

    install

    npm i component-file

    Downloadslast 7 days

    48

    version

    0.1.1

    license

    none

    repository

    github.com

    last publish

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