refactor: separate js code

js/input.js

@@ -0,0 +1,62 @@
+const InputModule = {
+  currentLine: "",
+
+  submitLine(text, username) {
+    const line = text.trim().toLowerCase();
+    if (!line) return;
+    if (introPlaying) return;
+
+    if (line === CONFIG.commands.play) {
+      if (gameState === "start" || gameState === "gameover") {
+        startGame();
+      }
+      return;
+    }
+
+    if (gameState !== "playing") return;
+
+    this.currentLine = line;
+    this.updateDisplay(line);
+
+    const enemy = this.findEnemy(line);
+
+    this.animateShoot(line, enemy, username);
+  },
+
+  animateShoot(line, enemy, username) {
+    const el = document.getElementById("typed-text");
+
+    el.classList.add("shooting");
+
+    setTimeout(() => {
+      el.classList.remove("shooting");
+      this.currentLine = "";
+      this.updateDisplay("");
+
+      if (enemy) {
+        game.launchProjectile(line, enemy, true, username);
+      } else {
+        game.launchProjectile(line, null, false, username);
+      }
+    }, S.inputShootDelay);
+  },
+
+  findEnemy(word) {
+    for (let e of enemies) {
+      if (e.text === word) {
+        return e;
+      }
+    }
+    return null;
+  },
+
+  updateDisplay(text) {
+    const el = document.getElementById("typed-text");
+    el.innerHTML = text;
+  },
+
+  clear() {
+    this.currentLine = "";
+    this.updateDisplay("");
+  },
+};