Use Polyglot to add spanish translations

src/locales/en.json

@@ -0,0 +1,17 @@
+{
+  "snake": {
+    "score": "Score",
+    "gameOver": "Game Over!",
+    "anyKey": "Press any key to play again"
+  },
+  "tanks": {
+    "playerWon": "Player %{num} won!",
+    "player": "Player %{number}",
+    "health": "Health %{value}",
+    "angle": "Angle %{value}"
+  },
+  "spacecraft": {
+    "score": "Score"
+  }
+}
+

src/locales/es.json

@@ -0,0 +1,16 @@
+{
+  "snake": {
+    "score": "Puntaje",
+    "gameOver": "¡Se acabó el juego!",
+    "anyKey": "Presioná cualquier tecla para jugar nuevamente"
+  },
+  "tanks": {
+    "playerWon": "¡Ha ganado el jugador %{name}!",
+    "player": "Jugador %{number}",
+    "health": "Salud %{value}",
+    "angle": "Ángulo %{value}"
+  },
+  "spacecraft": {
+    "score": "Puntaje"
+  }
+}

src/snake.js

@@ -1,5 +1,6 @@
 import Unit from './classes/unit';
 import Interface from './classes/interface';
+import Polyglot from "node-polyglot";
 
 let FRAME = 100;
 let ui = new Interface();
@@ -23,7 +24,7 @@ point.random();
 let score = 0;
 
 let stop = false;
-function loop() {
+function loop(polyglot) {
   if (stop) return;
   ui.clear();
 
@@ -46,17 +47,15 @@ function loop() {
   }
 
   if (head.collides(snake.slice(2))) {
-    gameover();
+    gameover(i18n);
   }
 
-  ui.cursor.goto(0, 0).yellow().write(`Score: ${score}`);
+  ui.cursor.goto(0, 0).yellow().write(`${i18n.t('snake.score')}: ${score}`);
   ui.cursor.reset();
 
-  setTimeout(loop, FRAME);
+  setTimeout(loop, FRAME, i18n);
 }
 
-loop();
-
 ui.onKey('right', () => {
   changeDirection(RIGHT);
 });
@@ -146,8 +145,8 @@ function createPart() {
   return part;
 }
 
-function gameover() {
-  const MSG = 'Game Over!';
+function gameover(i18n) {
+  const MSG = i18n.t('snake.gameOver');
   ui.cursor.goto(ui.center.x - MSG.length / 2, ui.center.y);
   ui.cursor.red();
   ui.cursor.bold();
@@ -155,7 +154,7 @@ function gameover() {
 
   ui.cursor.reset();
   ui.cursor.hex('#f65590');
-  const RETRY = 'Press any key to play again';
+  const RETRY = i18n.t('snake.anyKey');
   ui.cursor.goto(ui.center.x - RETRY.length / 2, ui.center.y + 2);
   ui.write(RETRY);
 
@@ -165,6 +164,14 @@ function gameover() {
 }
 
 process.on('exit', function() {
-  ui.cursor.horizontalAbsolute(0).eraseLine()
+  ui.cursor.horizontalAbsolute(0).eraseLine();
   ui.cursor.show();
 });
+
+export default function(language) {
+  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
+
+  const i18n = new Polyglot({phrases: locale});
+
+  loop(i18n);
+}

src/spacecraft.js

@@ -1,5 +1,6 @@
 import Unit from './classes/unit';
 import Interface from './classes/interface';
+import Polyglot from "node-polyglot";
 
 const FRAME = 20;
 let ENEMY_SPAWN_RATE = 1000;
@@ -20,49 +21,55 @@ explosion.dead = true;
 let missles = [];
 let enemies = [];
 let score = 0;
-setInterval(() => {
-  ui.clear();
 
-  player.draw();
+export default function(language) {
+  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
 
-  missles.forEach((missle, i) => {
-    missle.move(1, 0);
-    missle.draw();
+  const i18n = new Polyglot({phrases: locale});
 
-    let enemy = missle.collides(enemies)
-    if (enemy) {
-      enemy.killed = 1;
-      enemy.color = 'red';
-      enemy.shape = '*';
-      missle.dead = true;
+  setInterval((i18n) => {
+    ui.clear();
 
-      ENEMY_SPAWN_RATE -= 5;
+    player.draw();
 
-      score++;
-    }
+    missles.forEach((missle, i) => {
+      missle.move(1, 0);
+      missle.draw();
 
-    if (missle.dead) {
-      missles.splice(i, 1);
-    }
-  });
+      let enemy = missle.collides(enemies);
+      if (enemy) {
+        enemy.killed = 1;
+        enemy.color = 'red';
+        enemy.shape = '*';
+        missle.dead = true;
 
-  enemies.forEach((enemy, i) => {
-    // move with speed
-    enemy.move();
-    enemy.draw();
+        ENEMY_SPAWN_RATE -= 5;
 
-    if (enemy.dead) {
-      enemies.splice(i, 1);
-    }
+        score++;
+      }
 
-    if (enemy.killed == 3) enemy.dead = true;
-    if (enemy.killed < 3) enemy.killed++;
-  })
+      if (missle.dead) {
+        missles.splice(i, 1);
+      }
+    });
 
-  ui.cursor.goto(0, 0).yellow().write(`Score: ${score}`);
-  ui.cursor.reset();
-}, FRAME);
+    enemies.forEach((enemy, i) => {
+      // move with speed
+      enemy.move();
+      enemy.draw();
 
+      if (enemy.dead) {
+        enemies.splice(i, 1);
+      }
+
+      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();
+  }, FRAME, i18n);
+}
 
 ui.onKey('right', () => {
   player.move(1, 0);

src/tanks.js

@@ -1,6 +1,7 @@
 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();
@@ -14,14 +15,14 @@ two.go(ui.columns - 10, ui.rows);
 
 let stop = false;
 
-function loop() {
+function loop(i18n) {
   if (stop) return;
 
   ui.clear();
 
   if (one.dead || two.dead) {
     let num = one.dead ? '2' : '1';
-    const msg = `Player ${num} won!`;
+    const msg = i18n.t('tanks.playerWon', {num: num});
     ui.cursor.red();
     ui.cursor.bold();
 
@@ -50,12 +51,12 @@ function loop() {
 
   ui.cursor.goto(0, 1);
   if (turn() === one) ui.cursor.hex('#54ffff');
-  ui.write('Player 1');
+  ui.write(i18n.t('tanks.player', {number: "1"}));
   ui.cursor.reset();
   ui.cursor.goto(0, 2);
-  ui.write('Health: ' + one.health);
+  ui.write(i18n.t('tanks.health', {value: one.health}));
   ui.cursor.goto(0, 3);
-  ui.write('Angle: ' + parseInt(one.angle));
+  ui.write(i18n.t('tanks.angle', {value: parseInt(one.angle)}));
 
   two.draw();
   two.bullets.forEach((bullet, i) => {
@@ -75,18 +76,16 @@ function loop() {
 
   ui.cursor.goto(ui.output.columns - 10, 1);
   if (turn() === two) ui.cursor.hex('#54ffff');
-  ui.write('Player 2');
+  ui.write(i18n.t('tanks.player', {number: "2"}));
   ui.cursor.reset();
   ui.cursor.goto(ui.output.columns - 10, 2);
-  ui.write('Health: ' + two.health);
+  ui.write(i18n.t('tanks.health', {value: two.health}));
   ui.cursor.goto(ui.output.columns - 10, 3);
-  ui.write('Angle: ' + parseInt(two.angle));
+  ui.write(i18n.t('tanks.angle', {value: parseInt(two.angle)}));
 
-  setTimeout(loop, FRAME);
+  setTimeout(loop, FRAME, i18n);
 }
 
-loop();
-
 ui.onKey('down', () => {
   if (immoblize) return;
 
@@ -142,3 +141,11 @@ function turn() {
   if (TURN) return one;
   return two;
 }
+
+export default function(language) {
+  const locale = require(`${__dirname}/locales/${language || 'en'}.json`);
+
+  const i18n = new Polyglot({phrases: locale});
+
+  loop(i18n);
+}