doevisualizations/doeVisualization/node_modules/d3-shape/src/symbol/square.js

Data Visualization Library based on RequireJS and D3.js (v4+)

export default {
  draw: function(context, size) {
    var w = Math.sqrt(size),
        x = -w / 2;
    context.rect(x, x, w, w);
  }
};