src/collectors/min.js

/**
 * Returns the definition of a collector that captures `min`
 * @return {Object} A `min` collector object
 */
export default function () {
  return {
    name: 'min',
    initialValue: Number.MAX_VALUE,
    onUpdate: function (prev, state, val) {
      return Math.min(prev, val);
    }
  };
}