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/*
* Copyright © 2016-2017 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function getTimestampString() {
let date = new Date();
let z = n => (n < 10 ? '0' + n : n);
return `${date.getFullYear()}-${z(date.getMonth())}-${z(
date.getDate()
)}_${z(date.getHours())}-${z(date.getMinutes())}`;
}
export default function showFileSaveDialog({
blob,
headers,
defaultFilename,
addTimestamp
}) {
let filename;
let contentDisposition = headers['content-disposition']
? headers['content-disposition']
: '';
let match = contentDisposition
? contentDisposition.match(/filename=(.*?)(;|$)/)
: false;
if (match) {
filename = match[1];
} else {
filename = defaultFilename;
}
if (addTimestamp) {
filename = filename.replace(
/(^.*?)\.([^.]+$)/,
`$1_${getTimestampString()}.$2`
);
}
let link = document.createElement('a');
let url = URL.createObjectURL(blob);
link.href = url;
link.download = filename;
link.style.display = 'none';
document.body.appendChild(link);
link.click();
setTimeout(function() {
document.body.removeChild(link);
URL.revokeObjectURL(url);
}, 0);
}
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