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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
const React = require("react");
const prettierBytes = require("prettier-bytes");
module.exports = function useFileInput({name, _Name}, {
withPreview,
maxSize,
initialInfo = "no file selected"
}) {
const [file, setFile] = React.useState();
const [imageURL, setImageURL] = React.useState();
const [info, setInfo] = React.useState();
function onChange(e) {
let file = e.target.files[0];
setFile(file);
URL.revokeObjectURL(imageURL);
if (file != undefined) {
if (withPreview) {
setImageURL(URL.createObjectURL(file));
}
let size = prettierBytes(file.size);
if (maxSize && file.size > maxSize) {
size = <span className="error-text">{size}</span>;
}
setInfo(<>
{file.name} ({size})
</>);
} else {
setInfo();
}
}
function reset() {
URL.revokeObjectURL(imageURL);
setImageURL();
setFile();
setInfo();
}
return [
onChange,
reset,
{
[name]: file,
[`${name}URL`]: imageURL,
[`${name}Info`]: <span className="form-info">
{info
? info
: initialInfo
}
</span>
}
];
};
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