Updated typescript version

package.json

@@ -34,7 +34,7 @@
     "karma-spec-reporter": "0.0.31",
     "live-server": "1.2.0",
     "remap-istanbul": "0.9.5",
-    "typescript": "2.6.2"
+    "typescript": "^2.7.1"
   },
   "dependencies": {
     "jasmine-core": "2.5.2",

src/MainUI.ts

@@ -12,10 +12,10 @@ module TK.SpaceTac {
         session_token: string | null
 
         // Audio manager
-        audio: UI.Audio
+        audio!: UI.Audio
 
         // Game options
-        options: UI.GameOptions
+        options!: UI.GameOptions
 
         // Storage used
         storage: Storage
@@ -28,7 +28,6 @@ module TK.SpaceTac {
 
             this.headless = headless;
 
-            this.audio = new UI.Audio(this);
             this.storage = localStorage;
 
             this.session = new GameSession();

src/core/Drone.ts

@@ -10,9 +10,9 @@ module TK.SpaceTac {
         code: string
 
         // Location in arena
-        x: number
-        y: number
-        radius: number
+        x = 0
+        y = 0
+        radius = 0
 
         // Effects to apply
         effects: BaseEffect[] = []

src/core/Equipment.spec.ts

@@ -51,11 +51,15 @@ module TK.SpaceTac.Specs {
             equipment.action = action;
             check.equals(equipment.getEffectsDescription(), "Fire (power 1, range 200km):\n• do 50 damage on target");
 
-            action.blast = 20;
+            action = new TriggerAction(equipment, [new DamageEffect(50)], 1, 200, 20);
+            equipment.action = action;
             check.equals(equipment.getEffectsDescription(), "Fire (power 1, range 200km):\n• do 50 damage in 20km radius");
 
-            action.blast = 0;
-            action.effects.push(new StickyEffect(new AttributeLimitEffect("shield_capacity", 200), 3));
+            action = new TriggerAction(equipment, [
+                new DamageEffect(50),
+                new StickyEffect(new AttributeLimitEffect("shield_capacity", 200), 3)
+            ], 1, 200, 0);
+            equipment.action = action;
             check.equals(equipment.getEffectsDescription(), "Fire (power 1, range 200km):\n• do 50 damage on target\n• limit shield capacity to 200 for 3 turns on target");
         });
 

src/core/LootTemplate.ts

@@ -57,7 +57,7 @@ module TK.SpaceTac {
             let result = copy(this.effect);
             this.modifiers.forEach(modifier => {
                 let [name, value] = modifier;
-                result[name] = resolveForLevel(value, level);
+                result[name] = <any>resolveForLevel(value, level);
             });
             return result;
         }

src/core/MoveFireSimulator.spec.ts

@@ -112,7 +112,7 @@ module TK.SpaceTac.Specs {
             battle.fleets[0].addShip(ship);
             let ship1 = battle.fleets[0].addShip();
             let moveaction = <MoveAction>nn(simulator.findBestEngine()).action;
-            moveaction.safety_distance = 30;
+            (<any>moveaction).safety_distance = 30;
             battle.ship_separation = 30;
 
             check.same(simulator.getApproach(moveaction, Target.newFromLocation(350, 200), 100), ApproachSimulationError.NO_MOVE_NEEDED);

src/core/Range.ts

@@ -2,10 +2,10 @@ module TK.SpaceTac {
     // Range of number values
     export class Range {
         // Minimal value
-        min: number;
+        min = 0
 
         // Maximal value
-        max: number;
+        max = 0
 
         // Create a range of values
         constructor(min: number, max: number | null = null) {

src/core/actions/MoveAction.spec.ts

@@ -71,9 +71,7 @@ module TK.SpaceTac.Specs {
             ship.setArenaPosition(500, 500);
             enemy.setArenaPosition(1000, 500);
 
-            var action = new MoveAction(new Equipment());
-            action.distance_per_power = 1000;
-            action.safety_distance = 200;
+            var action = new MoveAction(new Equipment(), 1000, 200);
 
             var result = action.checkLocationTarget(ship, Target.newFromLocation(700, 500));
             check.equals(result, Target.newFromLocation(700, 500));
@@ -100,9 +98,7 @@ module TK.SpaceTac.Specs {
             enemy1.setArenaPosition(0, 800);
             enemy2.setArenaPosition(0, 1000);
 
-            var action = new MoveAction(new Equipment());
-            action.distance_per_power = 1000;
-            action.safety_distance = 150;
+            var action = new MoveAction(new Equipment(), 1000, 150);
 
             var result = action.checkLocationTarget(ship, Target.newFromLocation(0, 1100));
             check.equals(result, Target.newFromLocation(0, 650));
@@ -117,9 +113,7 @@ module TK.SpaceTac.Specs {
             enemy1.setArenaPosition(0, 500);
             enemy2.setArenaPosition(0, 800);
 
-            var action = new MoveAction(new Equipment());
-            action.distance_per_power = 1000;
-            action.safety_distance = 600;
+            var action = new MoveAction(new Equipment(), 1000, 600);
 
             let result = action.checkLocationTarget(ship, Target.newFromLocation(0, 1000));
             check.equals(result, null);

src/core/actions/MoveAction.ts

@@ -3,24 +3,17 @@ module TK.SpaceTac {
      * Action to move the ship to a specific location
      */
     export class MoveAction extends BaseAction {
-        // Distance allowed for each power point (raw, without applying maneuvrability)
-        distance_per_power: number
-
-        // Safety distance from other ships
-        safety_distance: number
-
-        // Equipment cannot be null (engine)
-        equipment: Equipment
-
-        // Impact of maneuvrability (in % of distance)
-        maneuvrability_factor: number
-
-        constructor(equipment: Equipment, distance_per_power = 0, safety_distance = 120, maneuvrability_factor = 0) {
+        constructor(
+            // Mandatory equipment
+            readonly equipment: Equipment,
+            // Distance allowed for each power point (raw, without applying maneuvrability)
+            readonly distance_per_power = 0,
+            // Safety distance from other ships
+            readonly safety_distance = 120,
+            // Impact of maneuvrability (in % of distance)
+            readonly maneuvrability_factor = 0
+        ) {
             super("move", equipment);
-
-            this.distance_per_power = distance_per_power;
-            this.safety_distance = safety_distance;
-            this.maneuvrability_factor = maneuvrability_factor;
         }
 
         getVerb(): string {

src/core/actions/ToggleAction.ts

@@ -7,27 +7,21 @@ module TK.SpaceTac {
      * Toggle actions consume power when activated, and restore it when deactivated
      */
     export class ToggleAction extends BaseAction {
-        // Power consumption (for activation)
-        power: number
-
-        // Effect radius
-        radius: number
-
-        // Effects applied
-        effects: BaseEffect[]
-
-        // Equipment cannot be null
-        equipment: Equipment
-
         // Current activation status
         activated = false
 
-        constructor(equipment: Equipment, power = 1, radius = 0, effects: BaseEffect[] = [], code = `toggle-${equipment.code}`) {
+        constructor(
+            // Mandatory equipment
+            readonly equipment: Equipment,
+            // Power consumption (while active)
+            readonly power = 1,
+            // Effect radius
+            readonly radius = 0,
+            // Effects applied
+            readonly effects: BaseEffect[] = [],
+            code = `toggle-${equipment.code}`
+        ) {
             super(code, equipment);
-
-            this.power = power;
-            this.radius = radius;
-            this.effects = effects;
         }
 
         getVerb(): string {

src/core/actions/TriggerAction.spec.ts

@@ -93,9 +93,7 @@ module TK.SpaceTac.Specs {
                 TestTools.setAttribute(ship1, "precision", precision);
                 TestTools.setAttribute(ship2, "maneuvrability", maneuvrability);
 
-                let action = new TriggerAction(new Equipment());
-                action.aim = precision_factor;
-                action.evasion = maneuvrability_factor;
+                let action = new TriggerAction(new Equipment(), [], 1, 0, 0, 0, precision_factor, maneuvrability_factor);
                 check.nears(action.getSuccessFactor(ship1, ship2), result, 3,
                     `precision ${precision} (weight ${precision_factor}), maneuvrability ${maneuvrability} (weight ${maneuvrability_factor})`);
             }
@@ -136,8 +134,7 @@ module TK.SpaceTac.Specs {
             function verify(success_base: number, luck: number, random: number, expected: number) {
                 let ship1 = new Ship();
                 let ship2 = new Ship();
-                let action = new TriggerAction(new Equipment());
-                action.luck = luck;
+                let action = new TriggerAction(new Equipment(), [], 1, 0, 0, 0, 0, 0, luck);
                 check.patch(action, "getSuccessFactor", () => success_base);
                 check.nears(action.getEffectiveSuccess(ship1, ship2, new SkewedRandomGenerator([random])), expected, 5,
                     `success ${success_base}, luck ${luck}, random ${random}`);
@@ -201,32 +198,32 @@ module TK.SpaceTac.Specs {
         })
 
         test.case("builds a textual description", check => {
-            let action = new TriggerAction(new Equipment());
-            action.power = 0;
+            let effects: BaseEffect[] = [];
+            let action = new TriggerAction(new Equipment(), effects, 0);
             check.equals(action.getEffectsDescription(), "");
 
-            action.effects.push(new AttributeMultiplyEffect("precision", 20));
+            effects.push(new AttributeMultiplyEffect("precision", 20));
             check.equals(action.getEffectsDescription(), "Trigger:\n• precision +20% on self");
 
-            action.power = 2;
+            action = new TriggerAction(new Equipment(), effects, 2);
             check.equals(action.getEffectsDescription(), "Trigger (power 2):\n• precision +20% on self");
 
-            action.range = 120;
+            action = new TriggerAction(new Equipment(), effects, 2, 120);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km):\n• precision +20% on target");
 
-            action.aim = 10;
+            action = new TriggerAction(new Equipment(), effects, 2, 120, 0, 0, 10);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km, aim +10%):\n• precision +20% on target");
 
-            action.evasion = 35;
+            action = new TriggerAction(new Equipment(), effects, 2, 120, 0, 0, 10, 35);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km, aim +10%, evasion -35%):\n• precision +20% on target");
 
-            action.angle = 80;
+            action = new TriggerAction(new Equipment(), effects, 2, 120, 0, 80, 10, 35);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km, aim +10%, evasion -35%):\n• precision +20% in 80° arc");
 
-            action.blast = 100;
+            action = new TriggerAction(new Equipment(), effects, 2, 120, 100, 80, 10, 35);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km, aim +10%, evasion -35%):\n• precision +20% in 100km radius");
 
-            action.luck = 15;
+            action = new TriggerAction(new Equipment(), effects, 2, 120, 100, 80, 10, 35, 15);
             check.equals(action.getEffectsDescription(), "Fire (power 2, range 120km, aim +10%, evasion -35%, luck ±15%):\n• precision +20% in 100km radius");
         })
     });

src/core/actions/TriggerAction.ts

@@ -7,44 +7,28 @@ module TK.SpaceTac {
      * The target will be resolved as a list of ships, on which all the action effects will be applied
      */
     export class TriggerAction extends BaseAction {
-        // Power consumption
-        power: number
-
-        // Maximal range of the weapon (distance to target)
-        range: number
-
-        // Radius around the target that will be impacted
-        blast: number
-
-        // Angle of the area between the source and the target that will be impacted
-        angle: number
-
-        // Influence of "precision" of firing ship (0..100)
-        aim: number
-
-        // Influence of "maneuvrability" of impacted ship (0..100)
-        evasion: number
-
-        // Influence of luck
-        luck: number
-
-        // Effects applied on target
-        effects: BaseEffect[]
-
-        // Equipment cannot be null
-        equipment: Equipment
-
-        constructor(equipment: Equipment, effects: BaseEffect[] = [], power = 1, range = 0, blast = 0, angle = 0, aim = 0, evasion = 0, luck = 0, code = `fire-${equipment.code}`) {
+        constructor(
+            // Mandatory equipment
+            readonly equipment: Equipment,
+            // Effects applied on target
+            readonly effects: BaseEffect[] = [],
+            // Power consumption
+            readonly power = 1,
+            // Maximal range of the weapon (distance to target)
+            readonly range = 0,
+            // Radius around the target that will be impacted
+            readonly blast = 0,
+            // Angle of the area between the source and the target that will be impacted
+            readonly angle = 0,
+            // Influence of "precision" of firing ship (0..100)
+            readonly aim = 0,
+            // Influence of "maneuvrability" of impacted ship (0..100)
+            readonly evasion = 0,
+            // Influence of luck
+            readonly luck = 0,
+            code = `fire-${equipment.code}`
+        ) {
             super(code, equipment);
-
-            this.power = power;
-            this.range = range;
-            this.effects = effects;
-            this.blast = blast;
-            this.angle = angle;
-            this.aim = aim;
-            this.evasion = evasion;
-            this.luck = luck;
         }
 
         getVerb(): string {

src/core/ai/AbstractAI.ts

@@ -27,7 +27,7 @@ module TK.SpaceTac {
         feedback: AIFeedback
 
         // Time at which work as started
-        private started: number
+        private started = 0
 
         constructor(ship: Ship, feedback?: AIFeedback, debug = false, timer = Timer.global, name?: string) {
             this.ship = ship;

src/core/ai/TacticalAI.ts

@@ -16,8 +16,8 @@ module TK.SpaceTac {
         private producers: TacticalProducer[] = []
         private evaluators: TacticalEvaluator[] = []
 
-        private best: Maneuver | null
-        private best_score: number
+        private best: Maneuver | null = null
+        private best_score = 0
 
         protected initWork(): void {
             this.best = null;

src/core/missions/MissionPartCleanLocation.ts

@@ -5,8 +5,6 @@ module TK.SpaceTac {
      * A mission part that requires the fleet to clean a specific location of enemies
      */
     export class MissionPartCleanLocation extends MissionPartGoTo {
-        ship: Ship
-
         constructor(mission: Mission, destination: StarLocation, directive?: string) {
             super(mission, destination, directive || `Clean a ${StarLocationType[destination.type].toLowerCase()} in ${destination.star.name} system`);
         }

src/ui/BaseView.ts

@@ -4,29 +4,29 @@ module TK.SpaceTac.UI {
      */
     export class BaseView extends Phaser.State {
         // Link to the root UI
-        gameui: MainUI
+        gameui!: MainUI
 
         // Message notifications
-        messages: Messages
+        messages!: Messages
 
         // Input and key bindings
-        inputs: InputManager
+        inputs!: InputManager
 
         // Animations
-        animations: Animations
+        animations!: Animations
 
         // Timing
-        timer: Timer
+        timer!: Timer
 
         // Tooltip
-        tooltip_layer: Phaser.Group
-        tooltip: Tooltip
+        tooltip_layer!: Phaser.Group
+        tooltip!: Tooltip
 
         // Layers
-        layers: Phaser.Group
+        layers!: Phaser.Group
 
         // Modal dialogs
-        dialogs_layer: Phaser.Group
+        dialogs_layer!: Phaser.Group
         dialogs_opened: UIDialog[] = []
 
         // Get the size of display

src/ui/TestGame.ts

@@ -9,11 +9,11 @@ module TK.SpaceTac.UI.Specs {
      * Attributes should only be accessed from inside corresponding "it" blocks (they are initialized by the setup).
      */
     export class TestGame<T extends Phaser.State> {
-        ui: MainUI;
-        view: T;
-        multistorage: Multi.FakeRemoteStorage;
-        state: string;
-        clock: FakeClock;
+        ui!: MainUI;
+        view!: T;
+        multistorage!: Multi.FakeRemoteStorage;
+        state!: string;
+        clock!: FakeClock;
     }
 
     /**

src/ui/battle/ActionIcon.ts

@@ -25,7 +25,7 @@ module TK.SpaceTac.UI {
         cooldown = 0
 
         // Images
-        img_targetting: Phaser.Image
+        img_targetting!: Phaser.Image
         img_top: Phaser.Image | null = null
         img_bottom: Phaser.Image
         img_power: Phaser.Image
@@ -33,7 +33,7 @@ module TK.SpaceTac.UI {
         img_action: Phaser.Image
 
         // Indicators
-        text_power: Phaser.Text
+        text_power!: Phaser.Text
 
         constructor(bar: ActionBar, ship: Ship, action: BaseAction, position: number) {
             this.bar = bar;

src/ui/battle/Arena.ts

@@ -15,7 +15,7 @@ module TK.SpaceTac.UI {
         range_hint: RangeHint
 
         // Input capture
-        private mouse_capture: Phaser.Button
+        private mouse_capture?: Phaser.Button
 
         // Input callback to receive mouse move events
         private input_callback: any = null

src/ui/battle/BattleView.ts

@@ -15,56 +15,56 @@ module TK.SpaceTac.UI {
      */
     export class BattleView extends BaseView implements IShipButton {
         // Internal battle state
-        actual_battle: Battle
+        actual_battle!: Battle
 
         // Displayed battle state
-        battle: Battle
+        battle!: Battle
 
         // Interacting player
-        player: Player
+        player!: Player
 
         // Multiplayer sharing
-        multi: MultiBattle
+        multi!: MultiBattle
 
         // Layers
-        layer_background: Phaser.Group
-        layer_arena: Phaser.Group
-        layer_borders: Phaser.Group
-        layer_overlay: Phaser.Group
-        layer_sheets: Phaser.Group
+        layer_background!: Phaser.Group
+        layer_arena!: Phaser.Group
+        layer_borders!: Phaser.Group
+        layer_overlay!: Phaser.Group
+        layer_sheets!: Phaser.Group
 
         // Battleground container
-        arena: Arena
+        arena!: Arena
 
         // Background image
-        background: Phaser.Image | null
+        background!: Phaser.Image | null
 
         // Targetting mode (null if we're not in this mode)
-        targetting: Targetting
+        targetting!: Targetting
 
         // Ship list
-        ship_list: ShipList
+        ship_list!: ShipList
 
         // Action bar
-        action_bar: ActionBar
+        action_bar!: ActionBar
 
         // Currently hovered ship
-        ship_hovered: Ship | null
+        ship_hovered!: Ship | null
 
         // Ship tooltip
-        ship_tooltip: ShipTooltip
+        ship_tooltip!: ShipTooltip
 
         // Character sheet
-        character_sheet: CharacterSheet
+        character_sheet!: CharacterSheet
 
         // Subscription to the battle log
-        log_processor: LogProcessor
+        log_processor!: LogProcessor
 
         // True if player interaction is allowed
-        interacting: boolean
+        interacting!: boolean
 
         // Tactical mode toggle
-        toggle_tactical_mode: Toggle
+        toggle_tactical_mode!: Toggle
 
         // Toggle for the splash screen display
         splash = true

src/ui/battle/MultiBattle.ts

@@ -7,22 +7,22 @@ module TK.SpaceTac.UI {
         debug = false
 
         // Network exchange of messages
-        exchange: Multi.Exchange
+        exchange!: Multi.Exchange
 
         // True if this peer is the primary one (the one that invited the other)
-        primary: boolean
+        primary!: boolean
 
         // Battle being played
-        battle: Battle
+        battle!: Battle
 
         // Count of battle log events that were processed
-        processed: number
+        processed!: number
 
         // Serializer to use for actions
-        serializer: Serializer
+        serializer!: Serializer
 
         // Timer for scheduling
-        timer: Timer
+        timer!: Timer
 
         /**
          * Setup the session other a token

src/ui/battle/ShipListItem.ts

@@ -7,9 +7,6 @@ module TK.SpaceTac.UI {
         // Reference to the ship game object
         ship: Ship
 
-        // Callbacks to act as buttons
-        ship_buttons: IShipButton
-
         // Player indicator
         player_indicator: Phaser.Image
 

src/ui/battle/Targetting.ts

@@ -12,7 +12,7 @@ module TK.SpaceTac.UI {
         ship: Ship | null = null
         action: BaseAction | null = null
         target: Target | null = null
-        mode: ActionTargettingMode
+        mode?: ActionTargettingMode
         simulation = new MoveFireResult()
 
         // Move and fire lines

src/ui/character/CharacterSheet.ts

@@ -25,10 +25,10 @@ module TK.SpaceTac.UI {
         close_button: Phaser.Button
 
         // Currently displayed fleet
-        fleet: Fleet
+        fleet!: Fleet
 
         // Currently displayed ship
-        ship: Ship
+        ship!: Ship
 
         // Ship name
         ship_name: Phaser.Text
@@ -140,16 +140,21 @@ module TK.SpaceTac.UI {
          * Check if the sheet should be interactive
          */
         isInteractive(): boolean {
-            return bool(this.ship) && !this.ship.critical && this.interactive;
+            return this.ship ? (!this.ship.critical && this.interactive) : false;
         }
 
         /**
          * Add an attribute display
          */
         private addAttribute(attribute: keyof ShipAttributes, x: number, y: number) {
+            if (!this.ship) {
+                return;
+            }
+            let ship = this.ship;
+
             let builder = this.builder.in(this.layer_attibutes);
 
-            let button = builder.button("character-attribute", x, y, undefined, () => this.ship.getAttributeDescription(attribute));
+            let button = builder.button("character-attribute", x, y, undefined, () => ship.getAttributeDescription(attribute));
 
             let attrname = capitalize(SHIP_VALUES_NAMES[attribute]);
             builder.in(button).text(attrname, 120, 22, { size: 20, color: "#c9d8ef", stroke_width: 1, stroke_color: "#395665" });
@@ -160,7 +165,7 @@ module TK.SpaceTac.UI {
 
             if (SHIP_SKILLS.hasOwnProperty(attribute)) {
                 this.builder.in(this.layer_upgrades).button("character-skill-upgrade", x + 292, y, () => {
-                    this.ship.upgradeSkill(<keyof ShipSkills>attribute);
+                    ship.upgradeSkill(<keyof ShipSkills>attribute);
                     this.refresh();
                 }, `Spend one point to upgrade ${attrname}`);
             }
@@ -251,8 +256,8 @@ module TK.SpaceTac.UI {
                 cargo_slot.alpha = this.isInteractive() ? 1 : 0.5;
                 this.ship_cargo.add(cargo_slot);
 
-                if (idx < this.ship.cargo.length) {
-                    let equipment = new CharacterEquipment(this, this.ship.cargo[idx], cargo_slot);
+                if (idx < ship.cargo.length) {
+                    let equipment = new CharacterEquipment(this, ship.cargo[idx], cargo_slot);
                     this.layer_equipments.add(equipment);
                 }
             });
@@ -408,7 +413,9 @@ module TK.SpaceTac.UI {
          * Refresh the sheet display
          */
         refresh() {
-            this.show(this.ship, false, false);
+            if (this.ship) {
+                this.show(this.ship, false, false);
+            }
         }
 
         /**

src/ui/character/FleetCreationView.ts

@@ -5,9 +5,9 @@ module TK.SpaceTac.UI {
      * View to configure the initial characters in the fleet
      */
     export class FleetCreationView extends BaseView {
-        built_fleet: Fleet
-        infinite_shop: Shop
-        character_sheet: CharacterSheet
+        built_fleet!: Fleet
+        infinite_shop!: Shop
+        character_sheet!: CharacterSheet
 
         create() {
             super.create();

src/ui/common/Tooltip.ts

@@ -6,7 +6,7 @@ module TK.SpaceTac.UI {
         view: BaseView
         background: Phaser.Graphics
         content: Phaser.Group
-        item: IBounded
+        item?: IBounded
         border = 10
         margin = 6
         viewport: IBounded | null = null
@@ -55,7 +55,7 @@ module TK.SpaceTac.UI {
         }
 
         update() {
-            if (this.visible) {
+            if (this.visible && this.item) {
                 let [width, height] = UITools.drawBackground(this.content, this.background, this.border);
 
                 let [x, y] = this.getBestPosition(this.item, width, height);

src/ui/common/UIConfirmDialog.ts

@@ -4,7 +4,7 @@ module TK.SpaceTac.UI {
      */
     export class UIConfirmDialog extends UIDialog {
         private result: Promise<boolean>
-        private result_resolver: (confirmed: boolean) => void
+        private result_resolver?: (confirmed: boolean) => void
 
         constructor(view: BaseView, message: string) {
             super(view);
@@ -22,8 +22,10 @@ module TK.SpaceTac.UI {
          * Force the result (simulate clicking the appropriate button)
          */
         async forceResult(confirmed: boolean): Promise<void> {
-            this.result_resolver(confirmed);
-            await this.result;
+            if (this.result_resolver) {
+                this.result_resolver(confirmed);
+                await this.result;
+            }
         }
 
         /**

src/ui/common/ValueBar.ts

@@ -24,13 +24,13 @@ module TK.SpaceTac.UI {
         private orientation: ValueBarOrientation
 
         // Current value
-        private current: number
+        private current = 0
 
         // Maximal value
-        private maximal: number
+        private maximal = 0
 
         // Proportional value
-        private proportional: number
+        private proportional = 0
 
         // Original size
         private original_width: number

src/ui/map/MissionLocationMarker.ts

@@ -5,9 +5,9 @@ module TK.SpaceTac.UI {
     export class MissionLocationMarker {
         private view: BaseView
         private container: Phaser.Group
-        private markers: [StarLocation | Star, string][]
+        private markers: [StarLocation | Star, string][] = []
         private zoomed = true
-        private current_star: Star
+        private current_star?: Star
 
         constructor(view: BaseView, parent: Phaser.Group) {
             this.view = view;

src/ui/map/UniverseMapView.ts

@@ -15,40 +15,40 @@ module TK.SpaceTac.UI {
         interactive = true
 
         // Layers
-        layer_universe: Phaser.Group
-        layer_overlay: Phaser.Group
+        layer_universe!: Phaser.Group
+        layer_overlay!: Phaser.Group
 
         // Star systems
         starsystems: StarSystemDisplay[] = []
 
         // Links between stars
-        starlinks_group: Phaser.Group
+        starlinks_group!: Phaser.Group
         starlinks: Phaser.Graphics[] = []
 
         // Fleets
-        player_fleet: FleetDisplay
+        player_fleet!: FleetDisplay
 
         // Markers
-        current_location: CurrentLocationMarker
-        mission_markers: MissionLocationMarker
+        current_location!: CurrentLocationMarker
+        mission_markers!: MissionLocationMarker
 
         // Actions for selected location
-        actions: MapLocationMenu
+        actions!: MapLocationMenu
 
         // Active missions
-        missions: ActiveMissionsDisplay
-        conversation: MissionConversationDisplay
+        missions!: ActiveMissionsDisplay
+        conversation!: MissionConversationDisplay
 
         // Character sheet
-        character_sheet: CharacterSheet
+        character_sheet!: CharacterSheet
 
         // Zoom level
         zoom = 0
-        zoom_in: Phaser.Button
-        zoom_out: Phaser.Button
+        zoom_in!: Phaser.Button
+        zoom_out!: Phaser.Button
 
         // Options button
-        button_options: Phaser.Button
+        button_options!: Phaser.Button
 
         /**
          * Init the view, binding it to a universe

src/ui/menu/MainMenu.ts

@@ -6,13 +6,13 @@ module TK.SpaceTac.UI {
      */
     export class MainMenu extends BaseView {
         static returned = false
-        layer_stars: Phaser.Group
-        layer_presents: Phaser.Group
-        layer_title: Phaser.Group
-        button_new_game: Phaser.Button
-        button_quick_battle: Phaser.Button
-        button_load_game: Phaser.Button
-        dialog_load_game: LoadDialog
+        layer_stars!: Phaser.Group
+        layer_presents!: Phaser.Group
+        layer_title!: Phaser.Group
+        button_new_game!: Phaser.Button
+        button_quick_battle!: Phaser.Button
+        button_load_game!: Phaser.Button
+        dialog_load_game!: LoadDialog
 
         create() {
             super.create();

yarn.lock

@@ -2517,9 +2517,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
+typescript@^2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.1.tgz#bb3682c2c791ac90e7c6210b26478a8da085c359"
 
 uglify-js@^2.6:
   version "2.8.29"