react-experiment-hoc/dist/weighted.js

Simple hoc to provide a/b-test features.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = _default;

function _default(weights) {
  var totalWeight = 0,
      i,
      random;

  for (i = 0; i < weights.length; i++) {
    totalWeight += parseInt(weights[i]);
  }

  random = Math.random() * totalWeight;

  for (i = 0; i < weights.length; i++) {
    if (random < parseInt(weights[i])) {
      return i;
    }

    random -= parseInt(weights[i]);
  }

  return -1;
}

;