add hook for drawing

common/hooks/drawing.ts

@@ -0,0 +1,53 @@
+import { useEffect, useState } from "react";
+import { socket } from "@/common/lib/socket";
+
+let moves: [number, number][]= [];
+
+export const useDraw = (
+    options: CtxOptions,
+    ctx?: CanvasRenderingContext2D
+) => {
+    const [drawing, setDrawing] = useState(false);
+
+useEffect(()=>{
+ if(ctx){
+    ctx.lineJoin= "round";
+    ctx.lineCap= "round";
+    ctx.lineWidth= options.lineWidth;
+    ctx.strokeStyle= options.lineColor;
+ }
+});
+
+const handleStartDrawing = (x: number, y: number) =>{
+if(!ctx) return ;
+
+moves= [[x, y]];
+setDrawing(true);
+
+ctx.beginPath();
+ctx.lineTo(x,y);
+ctx.stroke();
+};
+const handleEndDrawing = () =>{
+if(!ctx) return ;
+    socket.emit("draw", moves, options);
+    setDrawing(false);
+    ctx.closePath();
+};
+const handleDraw= (x:number, y:number) =>{
+    if(ctx && drawing){
+        moves.push([x,y]);
+        ctx.lineTo(x,y);
+        ctx.stroke();
+    }
+
+}
+
+return {
+    handleEndDrawing,
+    handleDraw,
+    handleStartDrawing,
+    drawing,
+}
+
+};