ecclesia/dist/election/attribution/metrics.cjs

Framework for political and electoral simulations

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/election/attribution/metrics.ts
var metrics_exports = {};
__export(metrics_exports, {
  defaultMetric: () => defaultMetric
});
module.exports = __toCommonJS(metrics_exports);
function defaultMetric({ votes, seats }) {
  const allVotes = votes.total;
  const allSeats = seats.total;
  let suum = 0;
  for (const party of seats.keys()) {
    const partyVotes = votes.get(party);
    const partySeats = seats.get(party);
    suum += Math.abs(allSeats * partyVotes / allVotes - partySeats);
  }
  return suum / seats.size;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  defaultMetric
});
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