Merge pull request #6 from farisj/custom-parts

Add Ability to use Custom Characters

README.md

@@ -26,6 +26,12 @@ npm i -g oji
 
 Just type `oji` to start interactive emoticon creator! Works on every platform :unicorn:
 
+### :sparkles: Make it your own! :sparkles:
+
+You can add custom characters for each part by creating an optional `~/.oji` directory in your root path. Add new characters to each section by creating a `~/.oji/{file}.txt` with any of the corresponding filenames:
+
+`'arms_symmetric', 'arms_left', 'bodies_symmetric', 'bodies_left', 'cheeks', 'eyes', 'mouths_noses', 'bodies_right', 'arms_right'`
+
 ## :package: npm Dependencies [![Known Vulnerabilities](https://snyk.io/test/github/xxczaki/oji/badge.svg)](https://snyk.io/test/github/xxczaki/oji)
 
 - [inquirer](https://www.npmjs.com/package/inquirer)

lib/functions.js

@@ -12,10 +12,20 @@ const getRandomIndex = length => {
 	return Math.floor(Math.random() * length);
 };
 
+const getParts = () => {
+	return ['arms_symmetric', 'arms_left', 'bodies_symmetric', 'bodies_left', 'cheeks', 'eyes', 'mouths_noses', 'bodies_right', 'arms_right'].map(fileName => {
+		let parts = fs.readFileSync(`${__dirname}/parts/${fileName}.txt`, 'utf8').split('\n');
+		const customParts = fs.existsSync(`${homeDir}/.oji/${fileName}.txt`) && fs.readFileSync(`${homeDir}/.oji/${fileName}.txt`, 'utf8').split('\n');
+		if (customParts) {
+			parts = parts.concat(customParts);
+		}
+		return parts;
+	});
+};
+
 // Create emoji!
 module.exports.create = () => {
-	const parts = ['arms_symmetric', 'arms_left', 'bodies_symmetric', 'bodies_left', 'cheeks', 'eyes', 'mouths_noses', 'bodies_right', 'arms_right'].map(fileName =>
-    fs.readFileSync(`${__dirname}/parts/${fileName}.txt`, 'utf8').split('\n'));
+	const parts = getParts();
 	return inquirer.prompt([
 		{
 			type: 'list',
@@ -106,8 +116,7 @@ module.exports.create = () => {
 
 // Create random emoji!
 module.exports.random = () => {
-	const parts = ['arms_symmetric', 'arms_left', 'bodies_symmetric', 'bodies_left', 'cheeks', 'eyes', 'mouths_noses', 'bodies_right', 'arms_right'].map(fileName =>
-		fs.readFileSync(`${__dirname}/parts/${fileName}.txt`, 'utf8').split('\n'));
+	const parts = getParts();
 	// Combine random parts
 	const leftarmIndex = getRandomIndex([...parts[1], ...parts[0]].length);
 	const rightarmIndex = getRandomIndex([...parts[8], ...parts[0]].length);