Docraptor Node implementation command line helper

docraptpr-node.js

#!/usr/bin/env node

// npm install restler
var sys = require("util"),
    fs = require("fs"),
    rest = require("restler"),
    p = console.log,
    chalk = require("chalk"),
    program = require("commander")
    mdls = require("mdls"),
    exec = require('child_process').exec
    wordcount = require("html-word-count");

program
    .version('0.1.0')
    .option('-f, --file [file]', 'File source of HTML')
    .option('-o, --output [output]', 'Output filename')
    .parse(process.argv);

if (typeof program.file !== 'undefined' || typeof program.output !== 'undefined') {
    var contents = fs.readFileSync(program.file.toString(), 'utf8');
    p(chalk.white.bgBlue('Read the contents of HTML file.'));
    p(chalk.white.bgBlue('No. of words in HTML content: ' + wordcount(contents)));


    rest.postJson("https://docraptor.com/docs", {
        user_credentials: "YOUR_API_KEY_HERE",
        doc: {
            document_content: contents,
            type: "pdf",
            test: true
        }
    }).on("success", function(data, response) {
        // Write the file out to the filesystem.
        fs.writeFile(program.output, response.raw, "binary", function(err) {
            if (err) throw err;
        });

        // Grab the PDF pages from the file which has been generated.
        exec("mdls -name kMDItemNumberOfPages ./" + program.output, function(error, stdout, stderr) {
          if (stdout.match("kMDItemNumberOfPages")) {
              p(chalk.green(stdout));
          }
        });
        // Inform the user of successful creation of document.
        p(chalk.white.bgGreen("Success Creating Document"));

    }).on("fail", function(data, response) {
        p(chalk.red("Failure Creating Document"));
        p(data);
    }).on("error", function(err, response) {
        p(chalk.blue.bgRed.bold("Error Creating Document"));
        p(err);
    });
} else {
    p(chalk.blue.bgRed.bold('Please provide params for input file and output filename'));
    process.exit(1);
}