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whitelizard/oop-to-fp-immutable-store-reducer.js

Created November 18, 2019 23:48
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Reducer for Immutable Store in JavaScript
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oop-to-fp-immutable-store-reducer.js
const reducer = (state, action) => {
const actions = {
move: ({ id, payload }) => ({ ...state, [id]: setPos(state[id], payload) }),
hit: ({ id1, id2 }) => ({
...state,
[id1]: incHits(state[id1]),
[id2]: incHits(state[id2]),
}),
};
return actions[action.type](action);
};
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