React file input component for complete control over styling and abstraction from file reading.
- as (React.PropTypes.string): what format the FileReader should read the
file as (i.e.,
buffer
,binary
,url
,text
). Defaults tourl
. - children (React.PropTypes.any): if children is passed into
FileReaderInput, then the component will hide the native file input and
instead display
children
. Whenever the customchildren
are clicked, the component will trigger the native file input prompt. This allows complete control over styling an display. - onChange (React.PropTypes.func): callback
function(event, results)
. Results will be an array of arrays, the size of which depending on how many files were selected. Each result will be an array of two items:- progressEvent:
result[0]
is a ProgressEvent object. You can retrieve the raw results atprogressEvent.target.result
among other things. - file:
result[1]
is a File object. You can retrieve the file name atfile.name
among other things.
- progressEvent:
All other props on FileReaderInput
will be passed down to the native file
input.
import React from 'react';
import FileReaderInput from 'react-file-reader-input';
class MyComponent extends React.Component {
handleChange = (e, results) => {
results.forEach(result => {
const [e, file] = result;
this.props.dispatch(uploadFile(e.target.result));
console.log(`Successfully uploaded ${file.name}!`);
});
}
render() {
return (
<form>
<label htmlFor="my-file-input">Upload a File:</label>
<FileReaderInput as="binary" id="my-file-input"
onChange={this.handleChange}>
<button>Select a file!</button>
</FileReaderInput>
</form>
);
}
}