first commit

node_modules/node-downloader-helper/bin/helpers.js

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+/*eslint no-console: ["error", { allow: ["log", "warn", "error"] }] */
+const { URL } = require('url');
+const { existsSync } = require('fs');
+
+// Console colors
+module.exports.COLOR_NC = '\x1b[0m'; // No Color \e
+module.exports.COLOR_RED = '\x1b[0;31m';
+module.exports.COLOR_GREEN = '\x1b[0;32m';
+module.exports.COLOR_YELLOW = '\x1b[0;33m';
+module.exports.COLOR_BLUE = '\x1b[0;34m';
+module.exports.COLOR_MAGENTA = '\x1b[0;35m';
+module.exports.COLOR_CYAN = '\x1b[0;36m';
+
+// https://gist.github.com/thomseddon/3511330
+module.exports.byteHelper = function (value) {
+    if (value === 0) {
+        return '0 b';
+    }
+    const units = ['b', 'kB', 'MB', 'GB', 'TB'];
+    const number = Math.floor(Math.log(value) / Math.log(1024));
+    return (value / Math.pow(1024, Math.floor(number))).toFixed(1) + ' ' +
+        units[number];
+};
+
+module.exports.color = function (color, text) {
+    return `${color}${text}${module.exports.COLOR_NC}`;
+};
+
+module.exports.inlineLog = function (msg) {
+    process.stdout.clearLine();
+    process.stdout.cursorTo(0);
+    process.stdout.write(msg);
+};
+
+module.exports.isValidUrl = function (url) {
+    try {
+        new URL(url);
+        return true;
+    } catch (_) {
+        return false;
+    }
+}
+
+module.exports.isValidPath = function (path) {
+    try {
+        return existsSync(path);
+    } catch (_) {
+        return false;
+    }
+};

node_modules/node-downloader-helper/bin/ndh

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+#!/usr/bin/env node
+/*eslint no-console: ["error", { allow: ["log", "warn", "error"] }] */
+const args = process.argv.slice(2);
+const { DownloaderHelper } = require('../dist');
+const { byteHelper, color, COLOR_RED, COLOR_GREEN,
+    COLOR_YELLOW, COLOR_CYAN, COLOR_MAGENTA,
+    isValidPath, isValidUrl, inlineLog
+} = require('./helpers');
+const pkg = require('../package.json');
+
+// Arguments
+if (!args.length || args.length < 2) {
+    return console.log('USAGE: ndh [destination] [url]');
+}
+
+const dest = args[0];
+const url = args[1];
+
+if (!isValidPath(dest)) {
+    return console.error(color(COLOR_RED, 'Please use an existing folder or valid path'));
+}
+
+if (!isValidUrl(url)) {
+    return console.error(color(COLOR_RED, 'Please use a valid URL'));
+}
+
+let progressLog = '';
+const dl = new DownloaderHelper(url, dest, {
+    headers: {
+        'user-agent': pkg.name + '@' + pkg.version
+    },
+});
+
+dl
+    .on('end', _ =>
+        inlineLog(progressLog + ' - ' + color(COLOR_GREEN, 'Download Completed'))
+    )
+    .on('retry', (attempt, opts) => {
+        let count = Math.floor(opts.delay / 1000);
+        const retryLog = () => {
+            inlineLog(color(COLOR_YELLOW, `Retry Attempt: ${attempt}/${opts.maxRetries} | Starts on: ${count} secs`));
+            if (count > 0) {
+                setTimeout(() => retryLog(), 1000);
+            }
+            count--;
+        };
+        retryLog();
+    })
+    .on('resume', isResumed => {
+        if (!isResumed) {
+            console.warn(color(COLOR_YELLOW, "\nThis URL doesn't support resume, it will start from the beginning"));
+        }
+    })
+    .on('progress.throttled', stats => {
+        const progress = stats.progress.toFixed(1);
+        const speed = byteHelper(stats.speed);
+        const downloaded = byteHelper(stats.downloaded);
+        const total = byteHelper(stats.total);
+
+        const cName = color(COLOR_YELLOW, stats.name);
+        const cSpeed = color(COLOR_MAGENTA, speed + '/s');
+        const cProgress = color(COLOR_MAGENTA, progress + '%');
+        const cSize = color(COLOR_CYAN, `[${downloaded}/${total}]`);
+        progressLog = `${cName}: ${cSpeed} - ${cProgress} ${cSize}`;
+        inlineLog(progressLog);
+    });
+
+dl.start().catch(err => console.error(color(COLOR_RED, 'Something happend'), err));