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HTML

              
                <div id="root"></div>
              
            
!

CSS

              
                



              
            
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JS

              
                /*
	Round and sort poll options according to the largest remainder method,
	also taking into account our tiebreaker logic (the option that reached the
	tie number first wins, or, "oldest last vote first")
*/
const roundPollOptionsLargestRemainder = (entities, isFinished) => {
  const totalVoteCount = _.sumBy(entities, 'voteCount');

  let options = entities.map((option, i) => {
    const percentage = totalVoteCount ? (100 * option.voteCount / totalVoteCount) : 0;
    const roundedPercentage = Math.floor(percentage);

    return {
      option,
      percentage,
      roundedPercentage,
      remainder: percentage - roundedPercentage,
      color: POLL_OPTION_COLORS[i % 3],
    };
  });

	/*
		Distribute the margin of error according to the largest remainder,
		falling back to the earliest vote time when needed
	*/
  if (totalVoteCount > 0) {
    const roundedTotalPercentage = _.sumBy(options, 'roundedPercentage');
    const errorMargin = 100 - roundedTotalPercentage;

    const sortedByRemainder = _.orderBy(options, ['remainder', 'option.voteCount', 'option.lastVoteAt'], ['desc', 'desc', 'asc']);
    for (var i = 0; i < errorMargin; i++) {
      const option = _.find(options, ['option.id', sortedByRemainder[i].option.id]);
      option.roundedPercentage += 1;
    }
  }

  if (isFinished) {
    options = _.orderBy(options, ['option.voteCount', 'option.lastVoteAt'], ['desc', 'asc']);
  }

  return options;
};


// PollRounding imported from https://codepen.io/cubeghost/pen/PoGezjo
ReactDOM.render(
	<PollRounding method={roundPollOptionsLargestRemainder} initialPreset="threeWayTie" />,
	document.getElementById('root')
);
              
            
!
999px

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