text: 
    const cvs = document.createElement('canvas')
    cvs.width = 100%
    cvs.height = 100%
  
  const helper = (ctx, w, h, lw, lc) => {
    ctx.lineWidth = lw;
    ctx.strokeStyle = lc;
    for (let i = 0; i <= w; i+=10) {
      ctx.beginPath();
      ctx.moveTo(i, 0);
      ctx.lineTo(i, h);
      ctx.stroke();
    }
    for (let j = 0; j <= h; j+=10) {
      ctx.beginPath();
      ctx.moveTo(0, j);
      ctx.lineTo(w, j);
      ctx.stroke();
    }
    cleanCtx(ctx);
  };
  
  const cleanCtx = (ctx) => {
    ctx.restore();
    ctx.save();
  };
  
  const operation = (dom, w, h, settings) => {
    const cvs = document.querySelector(dom);
    const ctx = cvs.getContext('2d');
    ctx.save();
  };
  
  export { operation, helper, cleanCtx };
  