Web Shell Package Manager

wspm.js

/*
WSPM
Web Shell Package Manager
Copyright (c) 2020 Abhishek Kumar.
Protected by Creative Commons license (CC BY 4.0).

@file     wspm.js
@author   Abhishek Kumar
*/

const APP_VER = '1.2.1';

const Config = {
    url: 'https://docs.google.com/spreadsheets/d/e/2PACX-1vTVr6IFAZwCake8zGd97zlc8CBd3Xozxm93xukMo5ZgvinEmR7vLOhI-mgM1R0kT4xvsCriBMvmA5lW/pub?gid=2142129124&single=true&output=csv',
    form: {
        url: 'https://docs.google.com/forms/d/e/1FAIpQLSf-XVIOf1NWFNnIaQ1Jlyx8zv45W8QfP7CtXk9mxIMi3QDaNg/viewform'
    }
};

export function wspm(argv) {
    if (argv.h || argv.help) {
        return `
Package manager for Web Shell

Syntax:
 wspm

Options:
 -h --help   show help options
 -v --ver    show version
 -r --reg    register new app
        `;
    } else if (argv.v || argv.ver) {
        return `WSPM (Version ${APP_VER})`;
    } else if (argv.r || argv.reg) {
        return registerPkg();
    } else {
        return fetchRegPkg(Config.url);
    }
}

function registerPkg() {
    window.open(Config.form.url, '_blank');
    return `Click <a href="${Config.form.url}">here</a> to open the form.`;
}

function fetchRegPkg(url) {
    fetch(url, {
        headers: {
            "Content-Type": "text/csv; charset=utf-8"
        }
    }).then(response => {
        if (response.ok) {
            response.text().then(text => {
                let tbl = csvToArray(text);
                if (!!tbl) {
                    Shell.write(renderArray(tbl));
                    Shell.read('Choose (index) to install: ', (id) => {
                        if (!!id && !isNaN(id)) {
                            Shell.exit(`install ${tbl[id][4]}`);
                        } else {
                            Shell.exit();
                        }
                    });
                } else {
                    Shell.exit();
                }
            });
        } else {
            Shell.write('Error: failed to fetch registered package');
            Shell.exit();
        }
    }).catch(err => {
        Shell.write(err);
        Shell.exit();
    });
}

function renderArray(list) {
    let output = [];
    for (let i = 1; i < list.length; i++) {
        output.push(`<b>${list[i][2]}</b> <br>${list[i][3]}`);
    }
    return '<ol><li>' + output.join('</li><li>') + '</li></ol>';
}

function csvToArray(strData, strDelimiter) {
    strDelimiter = (strDelimiter || ",");
    var objPattern = new RegExp(("(\\" + strDelimiter + "|\\r?\\n|\\r|^)" + "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" + "([^\"\\" + strDelimiter + "\\r\\n]*))"), "gi");
    var arrData = [
        []
    ];
    var arrMatches = null;
    while (arrMatches = objPattern.exec(strData)) {
        var strMatchedDelimiter = arrMatches[1];
        if (strMatchedDelimiter.length && (strMatchedDelimiter != strDelimiter)) {
            arrData.push([])
        }
        if (arrMatches[2]) {
            var strMatchedValue = arrMatches[2].replace(new RegExp("\"\"", "g"), "\"")
        } else {
            var strMatchedValue = arrMatches[3]
        }
        arrData[arrData.length - 1].push(strMatchedValue)
    }
    return (arrData)
}

Production
Click to Install in WebShell
CDN supported CDN URL

Development
Click to Install in WebShell
CDN supported CDN URL