Function addUniqueEntry

app/core/store/modules/audio.js:50–53

(state, { unique, id })

    },

    addUniqueEntry (state, { unique, id }) {
      state.unique.keys.add(unique)
      state.unique.soundIdKeys.set(id, unique)
    },

    removeUniqueEntry (state, { unique, id }) {
      state.unique.keys.delete(unique)