Function rgbForOffset

crates/explorer/src/index.js:86–93

// instructions isn't colored.
let offsetToRgb = new Map();
const rgbForOffset = offset => {
  let rgb = offsetToRgb.get(offset);
  if (rgb === undefined) {
    rgb = calculateRgbForOffset(offset);
    offsetToRgb.set(offset, rgb);
  }
  return rgb;
};

// Convert a color in a 24-bit number to a string suitable for CSS styling.
const rgbToCss = rgb => `rgba(${rgbToTriple(rgb).join(",")})`;