Created
July 11, 2019 11:19
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Custom React file select component
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import * as React from 'react'; | |
interface Props extends React.HTMLProps<HTMLInputElement> { | |
onFileSelect: (file: File) => void; | |
} | |
const FileInput = ({ onFileSelect, ...props }: Props) => { | |
const inputRef = React.useRef<HTMLInputElement>(); | |
const onChange = (event: React.ChangeEvent) => { | |
const fileInput = event.target as HTMLInputElement; | |
const file = fileInput.files && fileInput.files[0]; | |
if (!file) { | |
return; | |
} | |
onFileSelect(file); | |
inputRef.current.value = ''; // Reset input value | |
}; | |
const onClick = () => { | |
if (inputRef.current) { | |
inputRef.current.click(); | |
} | |
}; | |
return ( | |
<> | |
<button onClick={onClick}>Select a file</button> | |
<input | |
{...props} | |
type={'file'} | |
onChange={onChange} | |
style={{ display: 'none' }} | |
ref={inputRef} | |
/> | |
</> | |
); | |
}; | |
export default FileInput; |
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