@loaders.gl/zip/dist/zip-writer.js

Zip Archive Loader

// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
import JSZip from 'jszip';
// @ts-ignore TS2304: Cannot find name '__VERSION__'.
const VERSION = typeof "4.3.3" !== 'undefined' ? "4.3.3" : 'latest';
/**
 * Zip exporter
 */
export const ZipWriter = {
    name: 'Zip Archive',
    id: 'zip',
    module: 'zip',
    version: VERSION,
    extensions: ['zip'],
    category: 'archive',
    mimeTypes: ['application/zip'],
    options: {
        zip: {
            onUpdate: () => { }
        },
        jszip: {}
    },
    encode: encodeZipAsync
};
async function encodeZipAsync(fileMap, options = {}) {
    const jsZip = new JSZip();
    // add files to the zip
    for (const subFileName in fileMap) {
        const subFileData = fileMap[subFileName];
        // jszip supports both arraybuffer and string data (the main loaders.gl types)
        // https://stuk.github.io/jszip/documentation/api_zipobject/async.html
        jsZip.file(subFileName, subFileData, options?.jszip || {});
    }
    const zipOptions = { ...ZipWriter.options.zip, ...options?.zip };
    const jszipOptions = { ...ZipWriter.options?.jszip, ...options.jszip };
    try {
        return await jsZip.generateAsync({ ...jszipOptions, type: 'arraybuffer' }, // generate an arraybuffer
        zipOptions.onUpdate);
    }
    catch (error) {
        options.log.error(`Unable to encode zip archive: ${error}`);
        throw error;
    }
}