try to move everything to typescript, but inheritance doesn't work

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 package-lock.json
+.cache

package.json

@@ -1,23 +0,0 @@
-{
-  "name": "cabin_server",
-  "version": "1.0.0",
-  "description": "",
-  "main": "server.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "node server.js"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+ssh://git@gitlab.com/totallyRonja/cabingame.git"
-  },
-  "author": "",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://gitlab.com/totallyRonja/cabingame/issues"
-  },
-  "homepage": "https://gitlab.com/totallyRonja/cabingame#readme",
-  "dependencies": {
-    "express": "^4.17.1"
-  }
-}

server.js

@@ -1,9 +0,0 @@
-const express = require('express');
-var path = require("path");
-const app = express();
-
-express.static.mime.define({'application/javascript': ['js']});
-
-app.use(express.static('src'))
-
-app.listen(8080, () => console.log('Listening on port 8080!'));

src/game.ts

@@ -1,3 +1,7 @@
+import * as PIXI from "pixi.js"
+import * as ECSY from "ecsy"
+import { Entity } from "ecsy";
+
 const NUM_ELEMENTS = 60;
 const SPEED_MULTIPLIER = 1;
 const SHAPE_SIZE = 10;
@@ -24,7 +28,7 @@ window.addEventListener( 'resize', recalculateSize, false );
 
 function recalculateSize(){
   let multiplier = Math.min(0, 0);
-  app.view.style.width = canvasWidth * "px";
+  app.view.style.width = canvasWidth + "px";
   app.view.style.height = "720px";
 }
 
@@ -37,23 +41,20 @@ app.stage.addChild(bgTex);
 
 // Velocity component
 class Velocity {
-  constructor() {
-    this.x = this.y = 0;
-  }
+  x = 0;
+  y = 0;
 }
 
 // Position component
 class Position {
-  constructor() {
-    this.x = this.y = 0;
-  }
+  x = 0;
+  y = 0;
 }
 
 // Shape component
 class Shape {
-  constructor() {
-    this.shape = null;
-  }
+  onStage = false
+  shape: PIXI.Graphics
 }
 
 // Renderable component
@@ -66,9 +67,9 @@ class Renderable extends ECSY.TagComponent {}
 // MovableSystem
 class MovableSystem extends ECSY.System {
   // This method will get called on every frame by default
-  execute(delta) {
+  execute(delta : number) {
     // Iterate through all the entities on the query
-    this.queries.moving.results.forEach(entity => {
+    MovableSystem.queries.moving.results.forEach((entity: Entity) => {
       var velocity = entity.getComponent(Velocity);
       var position = entity.getMutableComponent(Position);
       position.x += velocity.x * delta;
@@ -80,22 +81,23 @@ class MovableSystem extends ECSY.System {
       if (position.y < - SHAPE_HALF_SIZE) position.y = canvasHeight + SHAPE_HALF_SIZE;
     });
   }
-}
 
-// Define a query of entities that have "Velocity" and "Position" components
-MovableSystem.queries = {
-  moving: {
-    components: [Velocity, Position]
+  static queries = {
+    moving: {
+      components: [Velocity, Position],
+      results: []
+    }
   }
 }
 
+
 // RendererSystem
 class RendererSystem extends ECSY.System {
   // This method will get called on every frame by default
-  execute(delta) {
+  execute(delta : number) {
 
     // Iterate through all the entities on the query
-    this.queries.renderables.results.forEach(entity => {
+    RendererSystem.queries.renderables.results.forEach((entity: Entity) => {
       var shape = entity.getComponent(Shape);
       var position = entity.getComponent(Position);
       this.drawShape(position, shape);
@@ -104,7 +106,7 @@ class RendererSystem extends ECSY.System {
     //app.renderer.render(app.stage);
   }
   
-  drawShape(position, shape) {
+  drawShape(position : Position, shape : Shape) {
     if(!shape.onStage){
       app.stage.addChild(shape.shape);
       shape.onStage = true;
@@ -113,12 +115,15 @@ class RendererSystem extends ECSY.System {
     shape.shape.x = position.x;
     shape.shape.y = position.y;
   }
+
+  static queries = {
+    renderables: { 
+        components: [Renderable, Shape],
+        results: []
+    }
+  }
 }
 
-// Define a query of entities that have "Renderable" and "Shape" components
-RendererSystem.queries = {
-  renderables: { components: [Renderable, Shape] }
-}
 
 // Create world and register the systems on it
 var world = new ECSY.World();
@@ -167,9 +172,11 @@ for (let i = 0; i < NUM_ELEMENTS; i++) {
     .addComponent(Position, getRandomPosition())
     .addComponent(Renderable)        
 }
-      
+
+let time = 0
 // Run!
-app.ticker.add((delta) => {
+PIXI.Ticker.shared.add((delta : number) => {
+    time += delta;
   // Run all the systems
-  world.execute(delta);
+  world.execute(delta, time);
 });

src/index.html

@@ -18,11 +18,9 @@
         image-rendering: crisp-edges;
       }
     </style>
-    
-    <script src="node_modules/pixi.js/dist/pixi.js"></script>
-    <script src="node_modules/ecsy/build/ecsy.js"></script>
-  </head>  
+    <script> var exports = {}; </script>
+  </head>
   <body>
-    <script src="src/demo.js" type="module"></script>
+    <script src="game.ts"></script>
   </body>
 </html>

src/package.json

@@ -1,15 +1,9 @@
 {
-  "name": "cabin",
-  "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
+  "devDependencies": {
+    "typescript": "^3.7.5"
+  },
   "dependencies": {
-    "ecsy": "^0.2.1",
-    "pixi.js": "^5.2.0"
-  },
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "ISC"
+    "ecsy": "^0.2.2",
+    "pixi.js": "^5.2.1"
+  }
 }

src/tsconfig.json

@@ -1,16 +1,62 @@
-// not used because typescript is weird
-
 {
   "compilerOptions": {
-      "outDir": "./dist/",        // path to output directory
-      "sourceMap": true,          // allow sourcemap support
-      "strictNullChecks": false,   // enable strict null checks as a best practice
-      "module": "commonjs",            // specify module code generation
-      "target": "es6",            // specify ECMAScript target version
-      "allowJs": true,             // allow a partial TypeScript and JavaScript codebase
-      
-  },
-  "include": [
-      "./src/"
-  ]
-}
+    /* Basic Options */
+    "target": "ES6",                       /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
+    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
+    // "lib": [],                             /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    "outDir": "lib",                          /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    // "strict": true,                        /* Enable all strict type-checking options. */
+     "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+     "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    "allowSyntheticDefaultImports": true,     /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+
+    /* Source Map Options */
+    // "sourceRoot": "./",                    /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "./",                       /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    // "declarationDir": "lib"                /* Output directory for generated declaration files. */
+  }
+}