Add chalk colors

bin/ConvertBTC.js

@@ -1,10 +1,24 @@
 'use strict';
 
+var request = require('request');
+var chalk = require('chalk');
+
+/* eslint consistent-return: 0 */
 function convertBTC() {
   var currency = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'USD';
   var amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
 
-  return amount + ' BTC to ' + currency + ' = 2000.00';
+  var url = 'https://apiv2.bitcoinaverage.com/convert/global?from=BTC&to=' + currency + '&amount=' + amount;
+  request(url, function (error, response, body) {
+    var apiResponse = void 0;
+    try {
+      apiResponse = JSON.parse(body);
+    } catch (parseError) {
+      console.log(chalk.red('Something went wrong with the API. Try in a few minutes.'));
+      return parseError;
+    }
+    console.log(chalk.magenta(amount) + ' BTC to ' + chalk.cyan(currency) + ' = ' + chalk.blue(apiResponse.price));
+  });
 }
 
 module.exports = convertBTC;

bin/main.js

@@ -7,4 +7,4 @@ var convertBTC = require('./ConvertBTC');
 
 program.version(pkg.version).description(pkg.description).option('-C, --currency <currency>', 'Currency to be converted. (Default: USD)').option('-A, --amount <amount>', 'Value in Bitcoin to convert. (Default: 1)').parse(process.argv);
 
-console.log(convertBTC(program.currency, program.amount));
+convertBTC(program.currency, program.amount);

package.json

@@ -59,6 +59,7 @@
     "sinon-chai": "^2.14.0"
   },
   "dependencies": {
+    "chalk": "^2.3.0",
     "commander": "^2.12.2",
     "request": "^2.83.0"
   }

src/ConvertBTC.js

@@ -1,4 +1,5 @@
 const request = require('request');
+const chalk = require('chalk');
 
 /* eslint consistent-return: 0 */
 function convertBTC(currency = 'USD', amount = 1) {
@@ -8,10 +9,10 @@ function convertBTC(currency = 'USD', amount = 1) {
     try {
       apiResponse = JSON.parse(body);
     } catch (parseError) {
-      console.log('Something went wrong with the API. Try in a few minutes.');
+      console.log(chalk.red('Something went wrong with the API. Try in a few minutes.'));
       return parseError;
     }
-    console.log(`${amount} BTC to ${currency} = ${apiResponse.price}`);
+    console.log(`${chalk.magenta(amount)} BTC to ${chalk.cyan(currency)} = ${chalk.blue(apiResponse.price)}`);
   });
 }
 

src/main.js

@@ -11,4 +11,4 @@ program
   .option('-A, --amount <amount>', 'Value in Bitcoin to convert. (Default: 1)')
   .parse(process.argv);
 
-console.log(convertBTC(program.currency, program.amount));
+convertBTC(program.currency, program.amount);

tests/ConvertBTC.spec.js

@@ -2,6 +2,7 @@ const nock = require('nock');
 const chai = require('chai');
 const sinon = require('sinon');
 const sinonChai = require('sinon-chai');
+const chalk = require('chalk');
 
 const expect = chai.expect;
 
@@ -26,15 +27,14 @@ describe('ConvertBTC', () => {
     console.log.restore();
   });
 
-  // https://apiv2.bitcoinaverage.com/convert/global?from=BTC&to=USD&amount=1
   it('should use USD as currency and 1 as amount default', (done) => {
     nock('https://apiv2.bitcoinaverage.com')
       .get('/convert/global')
       .query({ from: 'BTC', to: 'USD', amount: 1 })
       .reply(200, responseMock);
     convertBTC();
     setTimeout(() => {
-      expect(consoleStub).to.be.calledWith('1 BTC to USD = 14325.57');
+      expect(consoleStub).to.be.calledWith(`${chalk.magenta(1)} BTC to ${chalk.cyan('USD')} = ${chalk.blue(14325.57)}`);
       done();
     }, 300);
   });
@@ -46,7 +46,7 @@ describe('ConvertBTC', () => {
       .reply(200, responseMock);
     convertBTC('USD', 10);
     setTimeout(() => {
-      expect(consoleStub).to.be.calledWith('10 BTC to USD = 14325.57');
+      expect(consoleStub).to.be.calledWith(`${chalk.magenta(10)} BTC to ${chalk.cyan('USD')} = ${chalk.blue(14325.57)}`);
       done();
     }, 300);
   });
@@ -58,7 +58,7 @@ describe('ConvertBTC', () => {
       .reply(200, responseMock);
     convertBTC('BRL');
     setTimeout(() => {
-      expect(consoleStub).to.be.calledWith('1 BTC to BRL = 14325.57');
+      expect(consoleStub).to.be.calledWith(`${chalk.magenta(1)} BTC to ${chalk.cyan('BRL')} = ${chalk.blue(14325.57)}`);
       done();
     }, 300);
   });
@@ -71,7 +71,7 @@ describe('ConvertBTC', () => {
 
     convertBTC('BRL');
     setTimeout(() => {
-      expect(consoleStub).to.be.calledWith('Something went wrong with the API. Try in a few minutes.');
+      expect(consoleStub).to.be.calledWith(chalk.red('Something went wrong with the API. Try in a few minutes.'));
       done();
     }, 300);
   });