ShorthandsShorthands can simplify the markup. The click handlers already use the shorthand @click instead of v-on:click. The bindings can be simplified as well. For example - instead of:
Yesterday there was an answer to your TODO app post which suggested using computed propertiescomputed properties. With the current architecture using a computed property doesn't seem feasible, but a watcher methodwatcher method could be employed. Instead of setting up a method like doCompleted() that must be called manually, a watcher method can be used to adjust the values whenever that value changes.