Clean up some messaging

index.js

@@ -1,12 +1,24 @@
+const path = require('path');
+
 const wizard = require('./src/wizard');
 const parser = require('./src/parser');
 const writer = require('./src/writer');
 
 (async () => {
+	// parse any command line arguments and run wizard
 	let config = await wizard.getConfig();
+
+	// parse data from XML and do Markdown translations
 	let posts = await parser.parseFilePromise(config)
+
+	// write files, downloading images as needed
 	await writer.writeFilesPromise(posts, config);
-	wizard.displayCommand(config);
+
+	// happy goodbye
+	console.log('\nAll done!');
+	console.log('Look for your output files in: ' + path.resolve(config.output));
 })().catch(ex => {
+	// sad goodbye
+	console.log('\nSomething went wrong, execution halted early.');
 	console.error(ex);
 });

src/parser.js

@@ -6,7 +6,7 @@ const shared = require('./shared');
 const translator = require('./translator');
 
 async function parseFilePromise(config) {
-	console.log('\nParsing export file...');
+	console.log('\nParsing...');
 	const content = await fs.promises.readFile(config.input, 'utf8');
 	const data = await xml2js.parseStringPromise(content, {
 		trim: true,

src/wizard.js

@@ -5,6 +5,8 @@ const fs = require('fs');
 const inquirer = require('inquirer');
 const path = require('path');
 
+const package = require('../package.json');
+
 // all user options for command line and wizard are declard here
 const options = [
 	// wizard must always be first
@@ -119,6 +121,7 @@ function parseCommandLine(argv) {
 	// setup for help output
 	commander
 		.name('node index.js')
+		.version('v' + package.version, '-v, --version', 'Display version number')
 		.helpOption('-h, --help', 'See the thing you\'re looking at right now')
 		.on('--help', () => {
 			console.log('\nMore documentation is at https://github.com/lonekorean/wordpress-export-to-markdown');
@@ -157,7 +160,7 @@ function validateFile(value) {
 	return isValid ? true : 'Unable to find file: ' + path.resolve(value);
 }
 
-function displayCommand(config) {
+function getCommand(config) {
 	let command = 'node index.js --wizard=false';
 	options.forEach(option => {
 		if (option.name !== 'wizard') {
@@ -168,8 +171,8 @@ function displayCommand(config) {
 			}
 		}
 	});
-	console.log('\nTo skip the wizard and rerun with the same options, run this:\n' + command);
+	return command;
 }
 
 exports.getConfig = getConfig;
-exports.displayCommand = displayCommand;
+exports.getCommand = getCommand;

src/writer.js

@@ -83,8 +83,12 @@ async function writeImageFilesPromise(posts, config) {
 		});
 	});
 
-	console.log('\nSaving images...');
-	await processPayloadsPromise(payloads, loadImageFilePromise);
+	if (payloads.length > 0) {
+		console.log('\nDownloading and saving images...');
+		await processPayloadsPromise(payloads, loadImageFilePromise);
+	} else {
+		console.log('\nNo images to download and save...');
+	}
 }
 
 async function loadImageFilePromise(imageUrl) {