in example/state/reducers/app/metadata.ts [9:30]
export default function reduce(state = DEFAULT_STATE, action) {
if (action.type === Actions.INCREMENT) {
return {
name: 'Increment Value',
source: 'Incrementer',
historyIndex: state.historyIndex + 1,
};
} else if (action.type === Actions.DECREMENT) {
return {
name: 'Decrement Value',
source: 'Incrementer',
historyIndex: state.historyIndex + 1,
};
} else if (action.type === Actions.PICK_RANDOM_COLOR) {
return {
name: 'Pick Random Color',
source: 'Color Picker',
historyIndex: state.historyIndex + 1,
};
}
return state;
}