GFKeyFetcher is a node.js based CLI tool to fetch input field label & name as key-value pair from Google Form

GFKeyFetcher.js

/*
GFKeyFetcher
Google Form Key Fetcher
Copyright (c) 2014 Nistush Tech Solution.
Protected by Creative Commons license (CC BY 4.0).

@file     GFKeyFetcher.js
@author   Abhishek Kumar
*/

const https = require('https');

let arga = process.argv.slice(2);

if (~['-h', '--help'].indexOf(arga[0])) {
    console.log(`
Google Form Key Fetcher

Usage:
  GFKeyFetcher [-h|--help|-v|--version]
  GFKeyFetcher <google-form-url>

Options:
  -h --help       show help content
  -v --version    show version details
      `);
} else if (~['-v', '--version'].indexOf(arga[0])) {
    console.log(`
GFKeyFetcher (Version 1.0.0)
      `);
} else if (!!arga[0]) {
    let url = arga[0];

    https.get(url, (resp) => {
        let data = '';

        // A chunk of data has been recieved.
        resp.on('data', (chunk) => {
            data += chunk;
        });

        // The whole response has been received. Print out the result.
        resp.on('end', () => {
            let urlchunk = url.split('/');
            let formid = urlchunk[urlchunk.indexOf('viewform') - 1];
            // console.log(data);
            console.log(doGet(formid, data));
        });

    }).on("error", (err) => {
        console.log("Error: " + err.message);
    });
} else {
    console.log(`Missing parameter`)
}

function doGet(formid, page) {
    let x = {
        getInputTags: function(s) {
            return s.toString().match(/<\s*input[^>]*/g);
        },
        getAttrStr: function(s) {
            return s.match(/([\w-]+=\"[\w.-\s\_]*\")/g);
        },
        getAttrKeyPair: function(s) {
            let a = s.split('=');
            let k = a[0];
            let v = a[1].substr(a[1].indexOf('"') + 1, a[1].lastIndexOf('"') - 1);
            return [k, v];
        },
        getLabelWithKey: function(o) {
            let a = o['aria-label'];
            let b = null
            if (a != undefined) {
                b = {
                    key: a.toString().trim(),
                    val: o['name']
                };
            }
            return b;
        },
        process: function(s) {
            let b = x.getInputTags(s);
            let c = [],
                g = {};
            for (let i = 0; i < b.length; i++) {
                let d = x.getAttrStr(b[i]);
                let e = {};
                for (let j = 0; j < d.length; j++) {
                    let f = x.getAttrKeyPair(d[j]);
                    e[f[0]] = f[1];
                }
                c.push(e); // c holds all the attributes of the input tags
                let h = x.getLabelWithKey(e);
                if (h != null) {
                    g[h.key] = h.val;
                }
            }
            return g;
        }
    };
    let output = JSON.stringify({
        id: formid,
        fields: x.process(page)
    }, null, 4);
    return output;
}