Gecko [ gandhischool.edu.np ]

Name	Size	Permission
index.d.ts	2.76 KB	-rw-rw-rw-
index.js	1.43 KB	-rw-rw-rw-
license	1.09 KB	-rw-rw-rw-
package.json	727 B	-rw-rw-rw-
readme.md	1.75 KB	-rw-rw-rw-

Code Editor : index.js

'use strict';
const fs = require('fs');
const stream = require('stream');
const zlib = require('zlib');
const {promisify} = require('util');
const duplexer = require('duplexer');

const getOptions = options => ({level: 9, ...options});
const gzip = promisify(zlib.gzip);

module.exports = async (input, options) => {
	if (!input) {
		return 0;
	}

const data = await gzip(input, getOptions(options));
	return data.length;
};

module.exports.sync = (input, options) => zlib.gzipSync(input, getOptions(options)).length;

module.exports.stream = options => {
	const input = new stream.PassThrough();
	const output = new stream.PassThrough();
	const wrapper = duplexer(input, output);

input.pipe(gzip);
	input.pipe(output, {end: false});

return wrapper;
};

module.exports.file = (path, options) => {
	return new Promise((resolve, reject) => {
		const stream = fs.createReadStream(path);
		stream.on('error', reject);

const gzipStream = stream.pipe(module.exports.stream(options));
		gzipStream.on('error', reject);
		gzipStream.on('gzip-size', resolve);
	});
};

module.exports.fileSync = (path, options) => module.exports.sync(fs.readFileSync(path), options);

${this.title}

Code Editor : index.js