Fixed typing issues.

Author: dmester

lib/canvas.d.ts

@@ -1,13 +1,12 @@
 import CanvasContext from "./canvasContext";
 
-declare class Canvas {
-    constructor(width: number, height: number);
+declare interface Canvas {
     width: number;
-    heigth: number;
+    height: number;
     backColor: number | string;
-    getContext(): CanvasContext;
-    toPng(keywords: object): void;
-    toDataURL(): string;
+    getContext(contextId?: string, contextAttributes?: {}): CanvasContext;
+    toPng(keywords?: { [key: string]: string }): Buffer;
+    toDataURL(type?: string, encoderOptions?: any): string;
 }
 
 export = Canvas;

lib/canvasContext.d.ts

@@ -1,8 +1,7 @@
 import Canvas from "./canvas";
 
-declare class CanvasContext {
-    constructor(canvas: Canvas);
-    canvas: Canvas;
+declare interface CanvasContext {
+    readonly canvas: Canvas;
     fillStyle: number | string;
     save(): void;
     restore(): void;
@@ -36,11 +35,11 @@ declare class CanvasContext {
         radius: number,
         startAngle: number,
         endAngle: number,
-        anticlockwise: boolean
+        anticlockwise?: boolean
     ): void;
     clearRect(x: number, y: number, width: number, height: number): void;
     fillRect(x: number, y: number, width: number, height: number): void;
-    fill(windingRule: string): void;
+    fill(windingRule?: "nonzero" | "evenodd"): void;
 }
 
 export = CanvasContext;

package.json

@@ -7,8 +7,10 @@
     "type": "git",
     "url": "https://github.com/dmester/canvas-renderer"
   },
+  "dependencies": {
+    "@types/node": "*"
+  },
   "devDependencies": {
-    "@types/node": "^12.0.12",
     "pngjs": "^3.3.3",
     "tap": "^12.1.1"
   },
@@ -31,6 +33,5 @@
   "types": "index.d.ts",
   "author": {
     "name": "Daniel Mester Pirttijärvi"
-  },
-  "dependencies": {}
+  }
 }