eleicoes.js

// https://noticias.uol.com.br/eleicoes/2022/apuracao/2turno/votos-por-estado/presidente/
function compute() {
    const states = document.querySelectorAll('.president-by-state')
    const estimates = {};
    let computedVotes = 0, minComputePercentPerState = 100, minComputePercentState;

    for (const state of states) {
        const stateName = state.querySelector('.president-by-state-label').innerText;
        const stateVoters = Number(state.querySelector('.voters').innerText.replace(/\D/g, ''));
        const computedPercent = parseFloat(state.querySelector('.president-by-state-apuration .percentage').innerText.replace(',', '.'));
        computedVotes += computedPercent * stateVoters / 100;
        minComputePercentPerState = Math.min(minComputePercentPerState, computedPercent);
        minComputePercentState = stateName;

        //console.log({ stateName, stateVoters });

        const candidates = state.querySelectorAll('.president-by-state-list .candidate');

        for (const candidate of candidates) {
            const name = candidate.querySelector('.name').innerText;
            const percentage = parseFloat(candidate.querySelector('.percentage').innerText.replace(',', '.'));
            //console.log({ name, percentage });

            const votes = percentage * stateVoters / 100;
            estimates[name] = (estimates[name] ?? 0) + votes;
        }
    }

    const totalVotes = Object.values(estimates).reduce((a, b) => a + b, 0);
    const computedPercent = computedVotes * 100 / totalVotes;
    console.log({ totalVotes, computedVotes, computedPercent, estimates });
    const result = Object.entries(estimates)
        .map(([name, votes]) => ({ name, percentage: Number((votes * 100 / totalVotes).toFixed(2)) }))
        .sort((a, b) => b.percentage - a.percentage);

    console.log(`${(new Date()).toLocaleString()} Projeção pelos percentuais por estado (com ${computedPercent.toFixed(2)}% dos votos apurados; sendo ${minComputePercentState} com apenas ${minComputePercentPerState}%). ${result.slice(0, 4).map(x => `${x.name}: ${x.percentage}%`).join(' | ')}`);
}

setInterval(compute, 60000);