GuildMaster/src/components/UpgradesList.vue

<template>
<section class="upgrades">
<h2>Upgrades</h2>
  <div class="upgrade">
    <span>Adventurer capacity (level {{ guild.adventurerCapacity.level }})</span>
    <button
        v-if="guild.adventurerCapacity.nextLevelCost"
        :disabled="guild.gold < guild.adventurerCapacity.nextLevelCost"
        @click="upgradeAdventurerCapacity()"
    >
      Upgrade ({{guild.adventurerCapacity.nextLevelCost.toFixed(0)}} gold)
    </button>
  </div>
</section>
</template>

<script lang="ts">
import { Guild } from "@/classes/Guild";
import {defineComponent, type PropType} from "vue";

export default defineComponent({
  name: "UpgradesList",
  props: {
    guild: {
      type: Object as PropType<Guild>,
      default() {
        return new Guild(1, 0) as Guild;
      }
    }
  },
  methods: {
    upgradeAdventurerCapacity(): void {
      if (!this.guild.adventurerCapacity) return;
      if (!this.guild.adventurerCapacity.nextLevelCost) return;
      if (this.guild.gold < this.guild.adventurerCapacity.nextLevelCost) return;
      this.guild.gold -= this.guild.adventurerCapacity.nextLevelCost;
      this.guild.adventurerCapacity.upgrade();
    }
  }
});
</script>

<style lang="scss" scoped>
.upgrades {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  h2 {
    font-size: 1.75rem;
    margin: 2rem 0 0;
    padding: 0;
  }
  .upgrade {
    text-align: center;
    font-size: 1.25rem;
    font-weight: bold;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: min(25rem, 100%);
    justify-content: center;
    align-items: center;
    gap: 1rem;
  }
}
</style>