♻️ switching to typescript

package-lock.json

@@ -1243,6 +1243,11 @@
         "@babel/types": "^7.3.0"
       }
     },
+    "@types/css-font-loading-module": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/@types/css-font-loading-module/-/css-font-loading-module-0.0.2.tgz",
+      "integrity": "sha512-zZTq/B1ZcJMepOfBIMEwOZ/g/jpSPUJoxP8zPtPizOKE/Q89SujK1BLYZBg+4LLW3IzJGOI67dbeePy8uPUs+g=="
+    },
     "@types/istanbul-lib-coverage": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz",
@@ -1277,12 +1282,25 @@
         "jest-diff": "^24.3.0"
       }
     },
+    "@types/node": {
+      "version": "12.12.16",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.16.tgz",
+      "integrity": "sha512-vRuMyoOr5yfNf8QWxXegOjeyjpWJxFePzHzmBOIzDIzo+rSqF94RW0PkS6y4T2+VjAWLXHWrfbIJY3E3aS7lUw=="
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
       "integrity": "sha512-l42BggppR6zLmpfU6fq9HEa2oGPEI8yrSPL3GITjfRInppYFahObbIQOQK3UGxEnyQpltZLaPe75046NOZQikw==",
       "dev": true
     },
+    "@types/uuid": {
+      "version": "3.4.6",
+      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-3.4.6.tgz",
+      "integrity": "sha512-cCdlC/1kGEZdEglzOieLDYBxHsvEOIg7kp/2FYyVR9Pxakq+Qf/inL3RKQ+PA8gOlI/NnL+fXmQH12nwcGzsHw==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/yargs": {
       "version": "13.0.3",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-13.0.3.tgz",
@@ -5553,6 +5571,12 @@
         "prelude-ls": "~1.1.2"
       }
     },
+    "typescript": {
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.3.tgz",
+      "integrity": "sha512-Mcr/Qk7hXqFBXMN7p7Lusj1ktCBydylfQM/FZCk5glCNQJrCUKPkMHdo9R0MTFWsC/4kPFvDS0fDPvukfCkFsw==",
+      "dev": true
+    },
     "uglify-js": {
       "version": "3.7.1",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.1.tgz",

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "dev": "webpack-dev-server --quiet --progress --watch --mode development",
     "build": "webpack --mode production --quiet --progress",
+    "ts-check": "tsc --noEmit --project tsconfig.json",
     "test": "jest"
   },
   "keywords": [
@@ -22,9 +23,12 @@
     "@types/jest": "^24.0.0",
     "babel-jest": "^24.6.0",
     "babel-polyfill": "^6.26.0",
-    "jest": "^24.9.0"
+    "jest": "^24.9.0",
+    "typescript": "^3.7.3"
   },
   "dependencies": {
+    "@types/css-font-loading-module": "0.0.2",
+    "@types/uuid": "^3.4.6",
     "uuid": "^3.3.3"
   },
   "jest": {

src/canvas/CanvasPool.ts

@@ -1,4 +1,4 @@
-type PoolCanvas<T extends (OffscreenCanvas | HTMLCanvasElement)> = T & {
+export type PoolCanvas<T extends (OffscreenCanvas | HTMLCanvasElement)> = T & {
     acquire(): void
     release(): void
 }

src/helpers/listener.ts

@@ -1,16 +1,20 @@
-export class Subject {
+type Listener<V> = ((val: V) => void);
+
+export class Subject<V> {
+
+  __listeners: Listener<V>[]
 
   constructor() {
     this.__listeners = [];
   }
 
-  next(val) {
+  next(val:V) {
     for (let listener of this.__listeners) {
       listener(val);
     }
   }
 
-  once() {
+  once():Promise<V> {
     return new Promise((resolve) => {
       const done = (val) => {
         resolve(val);
@@ -20,11 +24,11 @@ export class Subject {
     })
   }
 
-  on(fn) {
+  on(fn:Listener<V>) {
     this.__listeners.push(fn);
   }
 
-  off(fn) {
+  off(fn:Listener<V>) {
     this.__listeners = this.__listeners.filter((listener) => listener !== fn);
   }
 
@@ -33,11 +37,12 @@ export class Subject {
   }
 }
 
-
-
 export class MultiSubject {
+  __subjects: {
+    [name: string]: Subject<any>
+  }
 
-  constructor(types) {
+  constructor(types: string[]) {
     this.__subjects = {};
     for (let type of types) {
       this.__subjects[type] = new Subject();

src/nodes/Canvas2d/Canvas2d.ts

@@ -5,13 +5,17 @@ import {
     Variables,
     ImageVar,
     BooleanVar,
-    NumberVar
+    NumberVar,
+    VariableValueType
 } from '../io/AbstractIOSet';
 
 const inputs = {
     image: {
         type: 'Image',
     } as ImageVar,
+    width: {
+        type: 'Number',
+    } as NumberVar,
 };
 
 const outputs = {
@@ -29,11 +33,10 @@ const outputs = {
 
 
 export default class Canvas2d<I extends Variables, O extends Variables> extends Node<I & (typeof inputs), O & (typeof outputs)> {
-    constructor(name, inputDefinition: I, outputDefiniton: O, options) {
+    constructor(name, inputDefinition: I, outputDefiniton: O) {
         super(name,
             merge(inputs, inputDefinition),
             merge(outputs, outputDefiniton),
-            options
         );
     }
 
@@ -42,7 +45,11 @@ export default class Canvas2d<I extends Variables, O extends Variables> extends
     }
 
     async _update() {
-        const values = {};
+        type valuesType = {
+            [K in keyof I]: VariableValueType<I[K]['type']>;
+        }
+        const values:valuesType = <valuesType>{};
+
         for (let name of Object.keys(this.in.variables)) {
             values[name] = await waitForMedia(this.in[name].value);
         }

src/nodes/Canvas2d/Compose.ts

@@ -1,4 +1,5 @@
 import Canvas2d from './Canvas2d';
+import {PoolCanvas} from '../../canvas/CanvasPool';
 import {createCanvas, mediaSize, paintToCanvas} from '../canvas';
 import {
     ImageVar,
@@ -89,7 +90,7 @@ const outputs = {
 export default class Compose extends Canvas2d<typeof inputs, typeof outputs> {
 
     constructor(options={}) {
-        super('Compose', inputs, outputs, options);
+        super('Compose', inputs, outputs);
     }
 
     get width() {
@@ -149,13 +150,13 @@ export default class Compose extends Canvas2d<typeof inputs, typeof outputs> {
         ctx.globalCompositeOperation = 'source-over';
 
         if (this.bg) {
-            paintToCanvas(canvas, this.bg.image, this.bg);
+            paintToCanvas(canvas, <PoolCanvas<any>>this.bg.image, this.bg);
         }
 
         ctx.globalCompositeOperation = mode;
 
         if (this.fg) {
-            paintToCanvas(canvas, this.fg.image, this.fg);
+            paintToCanvas(canvas, <PoolCanvas<any>>this.fg.image, this.fg);
         }
 
         return canvas;

src/nodes/Canvas2d/EmptySpace.ts

@@ -29,7 +29,7 @@ const outputs = {
 export default class EmptySpace extends Canvas2d<typeof inputs, typeof outputs> {
 
     constructor() {
-      super('EmptySpace', inputs, outputs, {});
+      super('EmptySpace', inputs, outputs);
       this._update();
     }
 

src/nodes/Canvas2d/Flip.ts

@@ -20,7 +20,7 @@ const outputs = {};
 export default class Flip extends Canvas2d<typeof inputs, typeof outputs> {
 
     constructor() {
-        super('Flip', inputs, outputs, {});
+        super('Flip', inputs, outputs);
         this._update();
     }
 

src/nodes/Canvas2d/ImageIdentity.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import Node from './Canvas2d';
 import {waitForMedia} from '../../utils';
 import {createCanvas, mediaSize, paintToCanvas} from '../canvas';

src/nodes/Canvas2d/Resize.ts

@@ -1,6 +1,6 @@
 import Canvas2d from './Canvas2d';
 import {waitForMedia} from '../../utils';
-import {createCanvas, mediaSize, paintToCanvas} from '../canvas';
+import {createCanvas, mediaSize, paintToCanvas, Bounds} from '../canvas';
 import {
     ImageVar,
     StringVar,
@@ -27,7 +27,7 @@ const outputs = {};
 export default class Resize extends Canvas2d<typeof inputs, typeof outputs> {
 
     constructor() {
-        super('Resize', inputs, outputs, {});
+        super('Resize', inputs, outputs);
     }
 
     /**
@@ -52,7 +52,7 @@ export default class Resize extends Canvas2d<typeof inputs, typeof outputs> {
         const {width: destWidth, height: destHeight} = mediaSize(canvas);
         const srcAspectRatio = (srcWidth / srcHeight);
         const destAspectRatio = (destWidth / destHeight);
-        const newImage = {};
+        const newImage:Partial<Bounds> = {};
         if (srcAspectRatio > destAspectRatio) {
           newImage.width = destHeight * srcAspectRatio;
           newImage.height = destHeight;
@@ -64,7 +64,7 @@ export default class Resize extends Canvas2d<typeof inputs, typeof outputs> {
         newImage.top = (destHeight - newImage.height) / 2;
         newImage.left = (destWidth - newImage.width) / 2;
 
-        paintToCanvas(canvas, media, newImage);
+        paintToCanvas(canvas, media, <Bounds>newImage);
         return canvas;
     }
 }

src/nodes/Canvas2d/Text.ts

@@ -65,7 +65,7 @@ const outputs = {};
 export default class Resize extends Canvas2d<typeof inputs, typeof outputs>  {
 
     constructor() {
-        super('Text', inputs, outputs, {});
+        super('Text', inputs, outputs);
         this._update();
     }
 

src/nodes/Disable.ts

@@ -26,7 +26,7 @@ const outputs = {
 
 export default class Disable extends Node<typeof inputs, typeof outputs> {
     constructor() {
-        super('Disable', inputs, outputs, {});
+        super('Disable', inputs, outputs);
     }
 
     async _update() {

src/nodes/Font.ts

@@ -36,7 +36,7 @@ const outputs = {
 
 export default class Font extends Node<typeof inputs, typeof outputs> {
     constructor() {
-        super('Font', inputs, outputs, {});
+        super('Font', inputs, outputs);
     }
 
     async _update() {

src/nodes/Math/NumberBinaryOperation.ts

@@ -36,7 +36,7 @@ const outputs = {
 
 export default class NumberBinaryOperation extends Node<typeof inputs, typeof outputs> {
     constructor() {
-        super('NumberBinaryOperation', inputs, outputs, {});
+        super('NumberBinaryOperation', inputs, outputs);
     }
 
     async _update() {

src/nodes/Math/Numbers.ts

@@ -37,7 +37,7 @@ const outputs = {
 
 export default class Numbers extends Node<typeof inputs, typeof outputs> {
     constructor() {
-        super('Numbers', inputs, outputs, {});
+        super('Numbers', inputs, outputs);
     }
 
     async _update() {

src/nodes/Node.ts

@@ -1,5 +1,5 @@
 import {Inputs, Outputs} from './io/index';
-import uuidv4 from 'uuid/v4';
+import { v4 as uuid } from 'uuid';
 import {Variables, InputProperties, OutputProperties} from './io/AbstractIOSet';
 import {MultiSubject} from '../helpers/listener';
 
@@ -16,10 +16,10 @@ export default class Node<I extends Variables, O extends Variables> {
     _stopped: boolean
     subject: MultiSubject
 
-    constructor(name: string, inputDefinition: I, outputDefiniton: O, options) {
+    constructor(name: string, inputDefinition: I, outputDefiniton: O) {
         this.name = name;
-        this.uid = uuidv4();
-        this.id = uuidv4();
+        this.uid = uuid();
+        this.id = uuid();
         this.__in = new Inputs(inputDefinition, this) as Inputs<I> & InputProperties<I>;
         this.__out = new Outputs(outputDefiniton, this) as Outputs<O> & OutputProperties<O>;
         this.__in.update = (name) => this.__update([name]);
@@ -95,7 +95,7 @@ export default class Node<I extends Variables, O extends Variables> {
     }
 
     async deserialize({id, options}) {
-        this.id = id || uuidv4();
+        this.id = id || uuid();
     }
 
     async reconnect({options}, outputs) {

src/nodes/Synchronize.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import Node from './Node';
 
 export default class Numbers extends Node {

src/nodes/ToBlob.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 import Node from './Node';
 import {createCanvas} from './canvas';
 

src/nodes/WebGL/Tint.ts

@@ -1,19 +1,19 @@
 import WebGL from './WebGl';
+import {
+    NumberVar
+} from '../io/AbstractIOSet';
 
-
-export default class Sepia extends WebGL {
-
-    constructor() {
-        super('Tint', {
+const inputs = {
     amount: {
         type: 'Number',
         default: 0,
-            },
-            amount: {
-                type: 'Color',
-                default: '',
-            },
-        })
+    }  as NumberVar,
+}
+
+export default class Sepia extends WebGL<typeof inputs> {
+
+    constructor() {
+        super('Tint', inputs)
     }
 
     get frag() {

src/nodes/WebGL/WebGl.ts

@@ -1,7 +1,7 @@
 import Node from '../Node';
 import {createCanvas, mediaSize, paintToCanvas} from '../canvas';
 import {merge} from '../../utils';
-import {canvasPool2D} from '../../canvas/CanvasPool';
+import {canvasPool2D, PoolCanvas} from '../../canvas/CanvasPool';
 import {
     Variables,
     ImageVar,
@@ -36,7 +36,6 @@ export default class WebGL<I extends Variables> extends Node<I & (typeof inputs)
             name,
             merge(inputs, inputDefinition),
             outputs,
-            {}
         )
     }
 
@@ -166,7 +165,11 @@ export default class WebGL<I extends Variables> extends Node<I & (typeof inputs)
 
     _passes() {
         return [
-            (gl: WebGLRenderingContext, program: WebGLProgram, image) => {
+            (
+                gl: WebGLRenderingContext,
+                program: WebGLProgram,
+                // image
+            ) => {
                 this._setParams(gl, program);
             },
         ]
@@ -190,7 +193,7 @@ export default class WebGL<I extends Variables> extends Node<I & (typeof inputs)
 
     async _update() {
 
-        const image = this.in.image.value;
+        const image = <PoolCanvas<any>>this.in.image.value;
         if (!image) {
             return;
         }
@@ -230,7 +233,7 @@ export default class WebGL<I extends Variables> extends Node<I & (typeof inputs)
 
         if (this.image) {
             // Upload the image into the texture.
-            gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, await createImageBitmap(this.image));
+            gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, await createImageBitmap(<PoolCanvas<any>>this.image));
         }
 
         const texcoordBuffer = gl.createBuffer();
@@ -309,8 +312,8 @@ export default class WebGL<I extends Variables> extends Node<I & (typeof inputs)
         if (image.release) {
             image.release();
         }
-        if (this.out.image.value && this.out.image.value.release) {
-            this.out.image.value.release();
+        if (this.out.image.value && (<PoolCanvas<any>>this.out.image.value).release) {
+            (<PoolCanvas<any>>this.out.image.value).release();
         }
         this.out.image.value = resultCanvas;
         if (this.out.width.value !== this.out.image.value.width) {

src/nodes/Webcam.js

@@ -32,6 +32,7 @@ export default class Webcam extends Node {
         /** @type {HTMLVideoElement} */
 
         const video = document.createElement('video');
+        // @ts-ignore
         video.playsinline = true;
         video.srcObject = stream;
         video.play();

src/nodes/io/Input.ts

@@ -8,7 +8,7 @@ import {serialize, deserialize} from './serializer';
 
 export default class Input<V extends Variable> extends AbstractIO<V> {
 
-    __output: Output<any>
+    __output: Output<V>
     __onchangelistener: Function
 
     constructor(name, definition, owner) {
@@ -35,7 +35,7 @@ export default class Input<V extends Variable> extends AbstractIO<V> {
         return this.__output;
     }
 
-    connect(output: Output<any>) {
+    connect(output: Output<V>) {
         if (output && output.type === this.type) {
             this.disconnect();
             this.__output = output

src/nodes/io/Inputs.spec.ts

@@ -24,6 +24,7 @@ describe('Inputs', () => {
                 type: 'String',
                 default: 'foo'
             },
+        // @ts-ignore
         }, owner)
 
         expect(inputs.x.type).toBe('Number');

src/nodes/io/Outputs.spec.ts

@@ -21,6 +21,7 @@ describe('Outputs', () => {
                 type: 'String',
                 default: 'foo'
             },
+        // @ts-ignore
         }, owner)
 
         expect(inputs.x.type).toBe('Number');