// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
import JSZip from 'jszip';
// __VERSION__ is injected by babel-plugin-version-inline
// @ts-ignore TS2304: Cannot find name '__VERSION__'.
const VERSION = typeof "4.3.1" !== 'undefined' ? "4.3.1" : 'latest';
export const ZipLoader = {
    dataType: null,
    batchType: null,
    id: 'zip',
    module: 'zip',
    name: 'Zip Archive',
    version: VERSION,
    extensions: ['zip'],
    mimeTypes: ['application/zip'],
    category: 'archive',
    tests: ['PK'],
    options: {},
    parse: parseZipAsync
};
// TODO - Could return a map of promises, perhaps as an option...
async function parseZipAsync(data, options = {}) {
    const promises = [];
    const fileMap = {};
    try {
        const jsZip = new JSZip();
        const zip = await jsZip.loadAsync(data, options);
        // start to load each file in this zip
        zip.forEach((relativePath, zipEntry) => {
            const subFilename = zipEntry.name;
            const promise = loadZipEntry(jsZip, subFilename, options).then((arrayBufferOrError) => {
                fileMap[relativePath] = arrayBufferOrError;
            });
            // Ensure Promise.all doesn't ignore rejected promises.
            promises.push(promise);
        });
        await Promise.all(promises);
        return fileMap;
    }
    catch (error) {
        // @ts-ignore
        options.log.error(`Unable to read zip archive: ${error}`);
        throw error;
    }
}
async function loadZipEntry(jsZip, subFilename, options = {}) {
    // jszip supports both arraybuffer and text, the main loaders.gl types
    // https://stuk.github.io/jszip/documentation/api_zipobject/async.html
    try {
        const arrayBuffer = await jsZip.file(subFilename).async(options.dataType || 'arraybuffer');
        return arrayBuffer;
    }
    catch (error) {
        options.log.error(`Unable to read ${subFilename} from zip archive: ${error}`);
        // Store error in place of data in map
        return error;
    }
}