Reducing Array

const groups = [
    {
        name : 'Publíco Geral',
        type : 'completo'
    },
    {
        name : 'Publíco Geral',
        type : 'parcial'
    },
    {
        name : 'Maior de 60 anos',
        type : 'completo'
    },
    {
        name : 'Maior de 60 anos',
        type : 'parcial'
    },
];

const count = groups.reduce((result, item) => {
    let group = result.find(group => group.name === item.name && group.type === item.type);
    if(group){
        group.count = group.count++;
    }else(group){
        group = {
            name : item.name,
            type : item.type,
            count : 1
        }
        result.push(group);
    }
});

console.log(count);