Refactor to remove duplicated code and add translations to the root directory

index.js

@@ -16,5 +16,10 @@ if (!game) {
 require('babel-polyfill');
 
 const gameToPlay = require(__dirname + '/build/' + game).default;
-gameToPlay(language);
+
+const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
+const Polyglot = require('node-polyglot');
+const i18n = new Polyglot({phrases: locale});
+
+gameToPlay(i18n);
 

src/snake.js

@@ -1,6 +1,5 @@
 import Unit from './classes/unit';
 import Interface from './classes/interface';
-import Polyglot from "node-polyglot";
 
 let FRAME = 100;
 let ui = new Interface();
@@ -24,7 +23,7 @@ point.random();
 let score = 0;
 
 let stop = false;
-function loop(polyglot) {
+function loop(i18n) {
   if (stop) return;
   ui.clear();
 
@@ -69,23 +68,6 @@ ui.onKey('left', () => {
   changeDirection(LEFT);
 });
 
-ui.onKey(() => {
-  if (!stop) return;
-
-  stop = false;
-  snake = [];
-  head = createPart();
-  head.color = '#71da29';
-  createPart();
-  createPart();
-
-  score = 0;
-
-  point.random();
-
-  loop();
-})
-
 function changeDirection(dir) {
   if (head.direction === UP && dir === DOWN ||
       head.direction === DOWN && dir === UP ||
@@ -120,17 +102,17 @@ function createPart() {
     if (this.direction !== ahead.direction) {
       this.changeTo = ahead.direction;
     }
-  }
+  };
 
   part.speed = function(multiplier = 1) {
     let { direction } = part;
-    let x = direction == LEFT ? -1 :
+    let x = direction === LEFT ? -1 :
-            direction == RIGHT ? 1 : 0;
+            direction === RIGHT ? 1 : 0;
-    let y = direction == UP ? -1 :
+    let y = direction === UP ? -1 :
-            direction == DOWN ? 1 : 0;
+            direction === DOWN ? 1 : 0;
 
     return [x * multiplier, y * multiplier];
-  }
+  };
 
   let [dX, dY] = part.speed();
   dX *= -1;
@@ -168,10 +150,23 @@ process.on('exit', function() {
   ui.cursor.show();
 });
 
-export default function(language) {
+export default function(i18n) {
-  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
+  loop(i18n);
 
-  const i18n = new Polyglot({phrases: locale});
+  ui.onKey(() => {
+    if (!stop) return;
+
+    stop = false;
+    snake = [];
+    head = createPart();
+    head.color = '#71da29';
+    createPart();
+    createPart();
+
+    score = 0;
+
+    point.random();
 
     loop(i18n);
+  });
 }

src/spacecraft.js

@@ -1,6 +1,5 @@
 import Unit from './classes/unit';
 import Interface from './classes/interface';
-import Polyglot from "node-polyglot";
 
 const FRAME = 20;
 let ENEMY_SPAWN_RATE = 1000;
@@ -22,11 +21,7 @@ let missles = [];
 let enemies = [];
 let score = 0;
 
-export default function(language) {
+export default function(i18n) {
-  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
-
-  const i18n = new Polyglot({phrases: locale});
-
   setInterval((i18n) => {
     ui.clear();
 
@@ -62,9 +57,9 @@ export default function(language) {
         enemies.splice(i, 1);
       }
 
-      if (enemy.killed == 3) enemy.dead = true;
+      if (enemy.killed === 3) enemy.dead = true;
       if (enemy.killed < 3) enemy.killed++;
-    })
+    });
 
     ui.cursor.goto(0, 0).yellow().write(`${i18n.t('spacecraft.score')}: ${score}`);
     ui.cursor.reset();
@@ -110,7 +105,7 @@ ui.onKey('space', () => {
 
   enemy.speed = () => {
     return [Math.random() > 0.9 ? 0.4 : 0, 0.06];
-  }
+  };
 
   enemies.push(enemy);
 
@@ -118,6 +113,6 @@ ui.onKey('space', () => {
 }());
 
 process.on('exit', function() {
-  ui.cursor.horizontalAbsolute(0).eraseLine()
+  ui.cursor.horizontalAbsolute(0).eraseLine();
   ui.cursor.show();
 });

src/tanks.js

@@ -1,7 +1,5 @@
-import Unit from './classes/unit';
 import Tank from './classes/tank';
 import Interface from './classes/interface';
-import Polyglot from "node-polyglot";
 
 let FRAME = 50;
 let ui = new Interface();
@@ -90,13 +88,13 @@ ui.onKey('down', () => {
   if (immoblize) return;
 
   turn().angle -= 1;
-})
+});
 
 ui.onKey('up', () => {
   if (immoblize) return;
 
   turn().angle += 1;
-})
+});
 
 ui.onKey('left', () => {
   if (immoblize) return;
@@ -134,7 +132,7 @@ ui.onKey(() => {
 
     loop();
   }
-})
+});
 
 let TURN = true;
 function turn() {
@@ -142,10 +140,6 @@ function turn() {
   return two;
 }
 
-export default function(language) {
+export default function(i18n) {
-  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
-
-  const i18n = new Polyglot({phrases: locale});
-
   loop(i18n);
 }