dao-governance-framework/forum-network/src/classes/voter.js

export class Voter {
  constructor(reputationPublicKey) {
    this.reputationPublicKey = reputationPublicKey;
    this.voteHistory = [];
    this.dateLastVote = null;
  }

  addVoteRecord(stake) {
    this.voteHistory.push(stake);
    if (!this.dateLastVote || stake.dateStart > this.dateLastVote) {
      this.dateLastVote = stake.dateStart;
    }
  }
}