three.cad/extlib/fs/legacy/file-save.mjs

33 lines
1.2 KiB
JavaScript

/**
* Copyright 2020 Google LLC
*
* 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.
*/
// @license © 2020 Google LLC. Licensed under the Apache License, Version 2.0.
/**
* Saves a file to disk using the legacy `<a download>` method.
* @type { typeof import("../../index").fileSave }
*/
export default async (blob, options = {}) => {
const a = document.createElement('a');
a.download = options.fileName || 'Untitled';
a.href = URL.createObjectURL(blob);
a.addEventListener('click', () => {
// `setTimeout()` due to
// https://github.com/LLK/scratch-gui/issues/1783#issuecomment-426286393
setTimeout(() => URL.revokeObjectURL(a.href), 30 * 1000);
});
a.click();
};