joplin/packages/lib/services/interop/InteropService_Importer_Jex.ts

import { ImportExportResult } from './types';

const InteropService_Importer_Base = require('./InteropService_Importer_Base').default;
const InteropService_Importer_Raw = require('./InteropService_Importer_Raw').default;
const { filename } = require('../../path-utils');
const fs = require('fs-extra');

export default class InteropService_Importer_Jex extends InteropService_Importer_Base {
	async exec(result:ImportExportResult) {
		const tempDir = await this.temporaryDirectory_(true);

		try {
			await require('tar').extract({
				strict: true,
				portable: true,
				file: this.sourcePath_,
				cwd: tempDir,
			});
		} catch (error) {
			const msg = [`Cannot untar file ${this.sourcePath_}`, error.message];
			if (error.data) msg.push(JSON.stringify(error.data));
			const e = new Error(msg.join(': '));
			throw e;
		}

		if (!('defaultFolderTitle' in this.options_)) this.options_.defaultFolderTitle = filename(this.sourcePath_);

		const importer = new InteropService_Importer_Raw();
		await importer.init(tempDir, this.options_);
		result = await importer.exec(result);

		await fs.remove(tempDir);

		return result;
	}
}