three.cad/extlib/fs/fs-access/file-open.mjs

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2021-04-23 05:55:26 +00:00
/**
* 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.
const getFileWithHandle = async (handle) => {
const file = await handle.getFile();
file.handle = handle;
return file;
};
/**
* Opens a file from disk using the File System Access API.
* @type { typeof import("../../index").fileOpen }
*/
export default async (options = {}) => {
const accept = {};
if (options.mimeTypes) {
options.mimeTypes.map((mimeType) => {
accept[mimeType] = options.extensions || [];
});
} else {
accept['*/*'] = options.extensions || [];
}
const handleOrHandles = await window.showOpenFilePicker({
types: [
{
description: options.description || '',
accept: accept,
},
],
multiple: options.multiple || false,
});
const files = await Promise.all(handleOrHandles.map(getFileWithHandle));
if (options.multiple) {
return files;
}
return files[0];
};