molstar
Version:
A comprehensive macromolecular library.
42 lines (41 loc) • 1.63 kB
JavaScript
/**
* Copyright (c) 2018-2022 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
// TODO only support compressed files for which uncompression support is available???
// TODO store globally with decompression plugins?
var compressedExtList = ['gz', 'zip'];
export function getFileInfo(file) {
var path;
var protocol = '';
if (file instanceof File) {
path = file.name;
}
else if (file instanceof Blob) {
path = '';
}
else {
path = file;
}
var queryIndex = path.lastIndexOf('?');
var query = queryIndex !== -1 ? path.substring(queryIndex) : '';
path = path.substring(0, queryIndex === -1 ? path.length : queryIndex);
var name = path.replace(/^.*[\\/]/, '');
var base = name.substring(0, name.lastIndexOf('.'));
var nameSplit = name.split('.');
var ext = nameSplit.length > 1 ? (nameSplit.pop() || '').toLowerCase() : '';
var protocolMatch = path.match(/^(.+):\/\/(.+)$/);
if (protocolMatch) {
protocol = protocolMatch[1].toLowerCase();
path = protocolMatch[2] || '';
}
var dir = path.substring(0, path.lastIndexOf('/') + 1);
if (compressedExtList.includes(ext)) {
var n = path.length - ext.length - 1;
ext = (path.substr(0, n).split('.').pop() || '').toLowerCase();
var m = base.length - ext.length - 1;
base = base.substr(0, m);
}
return { path: path, name: name, ext: ext, base: base, dir: dir, protocol: protocol, query: query, src: file };
}