Replace all CoffeeScript code by TypeScript

.gitignore

@@ -1,2 +1,3 @@
 /build
 /node_modules
+/typings

package.json

@@ -4,16 +4,14 @@
     "start": "webpack-dev-server -d --content-base static",
     "build": "webpack"
   },
-  "devDependencies": {
-    "coffee-loader": "^0.7.2",
-    "coffee-script": "^1.10.0",
+  "dependencies": {
     "css-loader": "^0.23.1",
     "html-webpack-plugin": "^1.7.0",
+    "lodash": "^3.10.1",
     "style-loader": "^0.13.0",
+    "ts-loader": "^0.7.2",
+    "typescript": "^1.7.5",
     "webpack": "^1.12.9",
     "webpack-dev-server": "^1.14.0"
-  },
-  "dependencies": {
-    "lodash": "^3.10.1"
   }
 }

require.d.ts

@@ -0,0 +1,5 @@
+declare var require: {
+    <T>(path: string): T;
+    (paths: string[], callback: (...modules: any[]) => void): void;
+    ensure: (paths: string[], callback: (require: <T>(path: string) => T) => void) => void;
+};

src/app.coffee

@@ -1,21 +0,0 @@
-'use strict'
-
-require './style.css'
-
-window._ = require 'lodash'
-
-MapData = require './model/MapData'
-MapContext = require './control/MapContext'
-
-
-mapContext = null
-
-
-window.onload = ->
-        xhr = new XMLHttpRequest()
-        xhr.onload = ->
-                mapDef = new MapData(JSON.parse this.responseText)
-                mapContext = new MapContext mapDef
-
-        xhr.open 'GET', 'resources/map/test.json', true
-        xhr.send()

src/app.ts

@@ -0,0 +1,26 @@
+'use strict';
+
+
+require('./style.css');
+
+
+import * as lodash from 'lodash';
+_ = lodash;
+
+import MapContext from './control/MapContext';
+import MapData from './model/MapData';
+
+
+var mapContext: MapContext;
+
+window.onload = () => {
+        var xhr = new XMLHttpRequest();
+
+        xhr.onload = function() {
+                let mapDef = new MapData(JSON.parse(this.responseText));
+                mapContext = new MapContext(mapDef);
+        }
+
+        xhr.open('GET', 'resources/map/test.json', true);
+        xhr.send();
+};

src/control/MapContext.coffee

@@ -1,29 +0,0 @@
-'use strict'
-
-
-Direction = require '../model/Direction'
-Entity = require '../model/Entity'
-EntityPosition = require '../model/EntityPosition'
-Position = require '../model/Position'
-
-MapView = require '../view/MapView'
-
-
-class MapContext
-        constructor: (@map) ->
-                @entities = {}
-
-                @playerEntity = new EntityPosition(
-                        new Entity('square'),
-                        new Position(8, 8),
-                        Direction.EAST)
-
-                @addEntity(@playerEntity)
-
-                @mavView = new MapView @map, @entities
-
-        addEntity: (entity) =>
-                @entities[entity.position.asString()] = entity
-
-
-module.exports = MapContext

src/control/MapContext.ts

@@ -0,0 +1,34 @@
+'use strict';
+
+
+import Direction from '../model/Direction';
+import Entity from '../model/Entity';
+import EntityPosition from '../model/EntityPosition';
+import MapData from '../model/MapData';
+import Position from '../model/Position';
+
+import MapView from '../view/MapView';
+
+
+export default class MapContext {
+        view: MapView;
+
+        entities: {[key: string]: EntityPosition} = {};
+        playerEntity: EntityPosition;
+
+        constructor(public map: MapData) {
+                this.playerEntity = new EntityPosition(
+                        new Entity('square'),
+                        new Position(8, 8),
+                        Direction.East
+                );
+
+                this.addEntity(this.playerEntity);
+
+                this.view = new MapView(map, this.entities);
+        }
+
+        addEntity(entity: EntityPosition) {
+                this.entities[entity.position.asString()] = entity;
+        }
+}

src/model/Direction.coffee

@@ -1,13 +0,0 @@
-'use strict'
-
-
-Direction =
-        NORTH: 0
-        EAST: 1
-        SOUTH: 2
-        WEST: 3
-
-        reverse: (d) -> (d+2)%4
-
-
-module.exports = Direction

src/model/Direction.ts

@@ -0,0 +1,13 @@
+'use strict';
+
+
+export enum Direction {
+        North,
+        East,
+        South,
+        West
+};
+
+export function reverse(r: Direction): Direction { return (r+2) % 4; }
+
+export default Direction;

src/model/Entity.coffee

@@ -1,8 +0,0 @@
-'use strict'
-
-
-class Entity
-        constructor: (@name) ->
-
-
-module.exports = Entity

src/model/Entity.ts

@@ -0,0 +1,6 @@
+'use strict';
+
+
+export default class Entity {
+        constructor(public name: string) {}
+}

src/model/EntityPosition.coffee

@@ -1,8 +0,0 @@
-'use strict'
-
-
-class EntityPosition
-        constructor: (@entity, @position, @direction) ->
-
-
-module.exports = EntityPosition

src/model/EntityPosition.ts

@@ -0,0 +1,11 @@
+'use strict';
+
+
+import Direction from '../model/Direction';
+import Entity from './Entity';
+import Position from './Position';
+
+
+export default class EntityPosition {
+        constructor(public entity: Entity, public position: Position, public direction: Direction) {}
+}

src/model/MapData.coffee

@@ -1,9 +0,0 @@
-'use strict'
-
-
-class MapData
-        constructor: (data) ->
-                {@tiles, @collition, @layers} = data
-
-
-module.exports = MapData

src/model/MapData.ts

@@ -0,0 +1,20 @@
+'use strict';
+
+
+interface Input {
+        tiles: {[key: string]: {file: string}};
+        collision: string[];
+        layers: string[][][];
+}
+
+export default class MapData {
+        tiles: {[key: string]: {file: string}};
+        public collision: string[];
+        public layers: string[][][];
+
+        constructor(data: Input) {
+                this.tiles = data.tiles;
+                this.collision = data.collision;
+                this.layers = data.layers;
+        }
+}

src/model/Position.coffee

@@ -1,10 +0,0 @@
-'use strict'
-
-
-class Position
-        constructor: (@x, @y) ->
-
-        asString: => "#{@x},#{@y}"
-
-
-module.exports = Position

src/model/Position.ts

@@ -0,0 +1,10 @@
+'use strict';
+
+
+export default class Position {
+        constructor(public x: number, public y: number) {}
+
+        asString(): string {
+                return `${this.x},${this.y}`;
+        }
+}

src/util.coffee

@@ -1,13 +0,0 @@
-'use strict'
-
-
-module.exports =
-        mapPromises: (promises) ->
-                p = []
-                ret = {}
-
-                for own k, v of promises
-                        do (k, v) ->
-                                p.push(v.then (r) -> ret[k] = r)
-
-                Promise.all(p).then -> ret

src/util.ts

@@ -0,0 +1,13 @@
+'use strict';
+
+
+export function mapPromises<T>(promises: {[key: string]: Promise<T>}): Promise<{[key: string]: T}> {
+        var p: Promise<void>[] = []
+        var ret: {[key: string]: T} = {}
+
+        _.forOwn(promises, (v, k) => {
+                p.push(v.then(r => {ret[k] = r;}));
+        });
+
+        return Promise.all(p).then(() => ret);
+}

src/view/MapView.coffee

@@ -1,108 +0,0 @@
-'use strict'
-
-util = require '../util'
-
-
-tileSize = 32
-
-body = document.getElementsByTagName('body')[0]
-
-
-loadImage = (url) ->
-        new Promise (resolve, reject) ->
-                img = new Image()
-                img.addEventListener 'load', -> resolve img
-                img.addEventListener 'error', -> reject Error('Failed to load ' + url)
-                img.src = url
-
-loadImages = (imgs) ->
-        util.mapPromises(_.mapValues imgs, loadImage)
-
-loadTiles = (tiles) ->
-        loadImages(_.mapValues tiles, (t) -> "resources/sprite/tile/#{t.file}.png")
-
-loadEntities = (entities) ->
-        p = {}
-        for e in entities
-                do (e) ->
-                        p[e.entity.name] = loadImage "resources/sprite/entity/#{e.entity.name}.png"
-
-        util.mapPromises p
-
-
-class MapView
-        constructor: (@map, @entities) ->
-                @redrawPending = false
-
-                @canvas = document.createElement 'canvas'
-                @canvas.style.position = 'absolute'
-                body.appendChild @canvas
-
-                @ctx = @canvas.getContext '2d'
-
-                window.addEventListener 'resize', @setSize
-                @setSize()
-
-                tilesReady = loadTiles(@map.tiles).then (tiles) =>
-                        @tiles = tiles
-
-                entitiesReady = loadEntities(_.values @entities).then (entities) =>
-                        @entitySprites = entities
-
-                tilesReady.then(entitiesReady).then =>
-                        @redraw()
-                        return
-
-        drawTile: (x, y, tile) =>
-                return unless tile
-
-                @ctx.drawImage tile, x, y
-
-        drawEntity: (e) =>
-                sprite = @entitySprites[e.entity.name]
-                return unless sprite
-
-                @ctx.drawImage(
-                        sprite,
-                        e.direction*tileSize, 0,
-                        tileSize, tileSize,
-                        e.position.x*tileSize, e.position.y*tileSize,
-                        tileSize, tileSize)
-
-        draw: =>
-                @redrawPending = false
-
-                @ctx.clearRect 0, 0, @canvas.width, @canvas.height
-
-                return unless @tiles and @entitySprites
-
-                for layer in @map.layers
-                        y = 0
-
-                        for row in layer
-                                x = 0
-
-                                for tile in row
-                                        @drawTile x, y, @tiles[tile]
-                                        x += tileSize
-
-                                y += tileSize
-
-                for e in _.values @entities
-                        @drawEntity e
-
-        redraw: =>
-                unless @redrawPending
-                        @redrawPending = true
-                        window.requestAnimationFrame @draw
-
-        setSize: =>
-                e = document.documentElement
-                @canvas.width = window.innerWidth || e.clientWidth || body.clientWidth
-                @canvas.height = window.innerHeight || e.clientHeight || body.clientHeight
-
-                @redraw()
-
-
-
-module.exports = MapView

src/view/MapView.ts

@@ -0,0 +1,142 @@
+'use strict';
+
+
+import * as util from '../util';
+import EntityPosition from '../model/EntityPosition';
+import MapData from '../model/MapData';
+
+
+const tileSize = 32;
+
+const body = document.getElementsByTagName('body')[0];
+
+
+function loadImage(url: string): Promise<HTMLImageElement> {
+        return new Promise(function(resolve, reject) {
+                var img = new Image();
+                img.addEventListener('load', () => { resolve(img); });
+                img.addEventListener('error', () => { reject(Error('Failed to load ' + url)); });
+                img.src = url;
+        });
+}
+
+function loadImages(imgs: {[key: string]: string}): Promise<{[key: string]: HTMLImageElement}> {
+        return util.mapPromises(_.mapValues(imgs, loadImage));
+}
+
+function loadTiles(tiles: {[key: string]: {file: string}}): Promise<{[key: string]: HTMLImageElement}> {
+        return loadImages(_.mapValues(tiles, (t) => `resources/sprite/tile/${t.file}.png`));
+}
+
+function loadEntities(entities: EntityPosition[]): Promise<{[key: string]: HTMLImageElement}> {
+        var p: {[key: string]: Promise<HTMLImageElement>} = {};
+
+        entities.forEach(e => {
+                p[e.entity.name] = loadImage(`resources/sprite/entity/${e.entity.name}.png`);
+        });
+
+        return util.mapPromises(p);
+}
+
+
+export default class MapView {
+        redrawPending: boolean = false;
+
+        canvas: HTMLCanvasElement;
+        ctx: CanvasRenderingContext2D;
+
+        tiles: {[key: string]: HTMLImageElement};
+        entitySprites: {[key: string]: HTMLImageElement};
+
+        constructor(private map: MapData, private entities: {[key: string]: EntityPosition}) {
+                this.canvas = document.createElement('canvas');
+                this.canvas.style.position = 'absolute';
+                body.appendChild(this.canvas);
+
+                this.ctx = this.canvas.getContext('2d');
+
+                window.addEventListener('resize', () => this.setSize());
+                this.setSize();
+
+                var tilesReady = loadTiles(map.tiles).then((tiles) => {
+                        this.tiles = tiles;
+                });
+
+                var entitiesReady = loadEntities(this.getEntities()).then((entities) => {
+                        this.entitySprites = entities;
+                });
+
+                Promise.all([tilesReady, entitiesReady]).then(() => {
+                        this.redraw();
+                });
+        }
+
+        getEntities(): EntityPosition[] {
+                return _.valuesIn<EntityPosition>(this.entities);
+        }
+
+        setSize() {
+                var e = document.documentElement;
+                this.canvas.width = window.innerWidth || e.clientWidth || body.clientWidth;
+                this.canvas.height = window.innerHeight || e.clientHeight || body.clientHeight;
+
+                this.redraw()
+        }
+
+        drawTile(x: number, y: number, tile: HTMLImageElement) {
+                if (!tile)
+                        return;
+
+                this.ctx.drawImage(tile, x, y);
+        }
+
+        drawEntity(e: EntityPosition) {
+                var sprite = this.entitySprites[e.entity.name];
+                if (!sprite)
+                        return;
+
+                this.ctx.drawImage(
+                        sprite,
+                        e.direction*tileSize, 0,
+                        tileSize, tileSize,
+                        e.position.x*tileSize, e.position.y*tileSize,
+                        tileSize, tileSize
+                );
+        }
+
+        draw() {
+                this.redrawPending = false;
+
+                this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+
+                if (!this.tiles || !this.entitySprites)
+                        return;
+
+                this.map.layers.forEach((layer) => {
+                        let y = 0;
+
+                        layer.forEach((row) => {
+                                let x = 0;
+
+                                for (let tile in row) {
+                                        this.drawTile(x, y, this.tiles[row[tile]]);
+                                        x += tileSize;
+                                }
+
+                                y += tileSize;
+                        });
+                });
+
+                this.getEntities().forEach(e => {
+                        this.drawEntity(e);
+                });
+        }
+
+        redraw() {
+                if (this.redrawPending)
+                        return;
+
+                this.redrawPending = true;
+                window.requestAnimationFrame(() => this.draw());
+        }
+}

tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es5",
+    "noImplicitAny": true,
+    "sourceMap": true
+  },
+  "files": [
+    "require.d.ts",
+    "typings/tsd.d.ts"
+  ]
+}

tsd.json

@@ -0,0 +1,15 @@
+{
+  "version": "v4",
+  "repo": "borisyankov/DefinitelyTyped",
+  "ref": "master",
+  "path": "typings",
+  "bundle": "typings/tsd.d.ts",
+  "installed": {
+    "lodash/lodash.d.ts": {
+      "commit": "f11e49cfb77f99678657ddfe5d43017849675c64"
+    },
+    "es6-promise/es6-promise.d.ts": {
+      "commit": "f11e49cfb77f99678657ddfe5d43017849675c64"
+    }
+  }
+}

webpack.config.js

@@ -1,7 +1,7 @@
 var HtmlWebpackPlugin = require('html-webpack-plugin');
 
 module.exports = {
-  entry: './src/app.coffee',
+  entry: './src/app.ts',
   output: {
     path: './build',
     filename: 'bundle.js'
@@ -14,10 +14,10 @@ module.exports = {
   module: {
     loaders: [
       { test: /\.css$/, loader: 'style-loader!css-loader' },
-      { test: /\.coffee$/, loader: 'coffee-loader' }
+      { test: /\.ts$/, loader: 'ts-loader' }
     ]
   },
   resolve: {
-    extensions: ['', '.js', '.json', '.coffee']
+    extensions: ['', '.ts']
   }
 };