ui/node_modules/d3-random/src/bernoulli.js

import defaultSource from "./defaultSource.js";

export default (function sourceRandomBernoulli(source) {
  function randomBernoulli(p) {
    if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p");
    return function() {
      return Math.floor(source() + p);
    };
  }

  randomBernoulli.source = sourceRandomBernoulli;

  return randomBernoulli;
})(defaultSource);