app/cards/empires/landmarks/triumphal_arch.js
TriumphalArch = class TriumphalArch extends Landmark {
victory_points(player_cards, game) {
return this.point_variable(player_cards, game) * 3
}
point_variable(player_cards, game) {
let sorted_cards = _.chain(player_cards).filter(function(card) {
return _.includes(_.words(card.types), 'action')
}).groupBy(function(card) {
return card.name
}).sortBy(function(card_group) {
return -_.size(card_group)
}).value()
return _.size(sorted_cards[1])
}
}