Smiley Face part 1
A yellow smiley face rendered as vector graphics, built with React and D3 version 7, is drawn within an SVG. The code constructs a central yellow circle with a black outline, two black eye circles, and a path for the mouth using D3’s `arc` generator with specified inner and outer radii and angle range. The components are positioned relative to the SVG center using a transform, with distances defined by constants like `eyeOffsetX`, `eyeOffsetY`, and `eyeRadius`. The React component renders the SVG, and D3’s `arc` computes the mouth’s curved path.