feat: MissionButton handles max age completion criteria ; closes #52

components/MissionButton.vue

@@ -0,0 +1,34 @@
+<template>
+  <progress-button
+    :label="mission.name"
+    :description="mission.description"
+    :max="max"
+    :value="value"
+    @click="complete"
+  />
+</template>
+
+<script>
+export default {
+  props: {
+    mission: { type: Object, required: true },
+  },
+  computed: {
+    value() {
+      return 'cost' in this.mission.completionCriteria
+        ? this.$store.state.currency
+        : this.$store.state.playerAge
+    },
+    max() {
+      return 'cost' in this.mission.completionCriteria
+        ? this.mission.completionCriteria.cost
+        : this.$store.state.playerAgeMax
+    },
+  },
+  methods: {
+    complete() {
+      this.$store.commit('completeMission', this.mission)
+    },
+  },
+}
+</script>