Update prettier config and reformat

Here's the discussion summary:
- single quote, because that's what I'm used to in the JS world
- trailing comma, to avoid unnecessary git changes
- print-width 120, because 120 still doesn't require to scroll horizontally, and vertical space is precious

1 files changed, 13 insertions, 15 deletions

diff --git a/frontend/src/redux/players.js b/frontend/src/redux/players.js
index 4016076f..b11e920f 100644
--- a/frontend/src/redux/players.js
+++ b/frontend/src/redux/players.js
@@ -1,37 +1,37 @@
-import Immutable from "seamless-immutable";
+import Immutable from 'seamless-immutable';
 
 export const types = {
-  REQUEST_CHOOSE_USERNAME: "USER/REQUEST_CHOOSE_USERNAME",
-  SET_CURRENT_PLAYER: "USER/SET_CURRENT_PLAYER",
-  UPDATE_PLAYERS: "USER/UPDATE_PLAYERS"
+  REQUEST_CHOOSE_USERNAME: 'USER/REQUEST_CHOOSE_USERNAME',
+  SET_CURRENT_PLAYER: 'USER/SET_CURRENT_PLAYER',
+  UPDATE_PLAYERS: 'USER/UPDATE_PLAYERS',
 };
 
 export const actions = {
   chooseUsername: username => ({
     type: types.REQUEST_CHOOSE_USERNAME,
-    username
+    username,
   }),
   setCurrentPlayer: player => ({
     type: types.SET_CURRENT_PLAYER,
-    player
+    player,
   }),
   updatePlayers: players => ({
     type: types.UPDATE_PLAYERS,
-    players
-  })
+    players,
+  }),
 };
 
 const initialState = Immutable.from({
   all: {},
-  current: ""
+  current: '',
 });
 
 export default (state = initialState, action) => {
   switch (action.type) {
     case types.SET_CURRENT_PLAYER:
       const player = action.player;
-      const withNewPlayer = state.setIn(["all", player.username], player);
-      return Immutable.set(withNewPlayer, "current", player.username);
+      const withNewPlayer = state.setIn(['all', player.username], player);
+      return Immutable.set(withNewPlayer, 'current', player.username);
     case types.UPDATE_PLAYERS:
       return Immutable.merge(state, { all: action.players }, { deep: true });
     default:
@@ -39,8 +39,6 @@ export default (state = initialState, action) => {
   }
 };
 
-export const getCurrentPlayer = state =>
-  state.players.all && state.players.all[state.players.current];
+export const getCurrentPlayer = state => state.players.all && state.players.all[state.players.current];
 export const getPlayer = (state, username) => state.players.all[username];
-export const getPlayers = (state, usernames) =>
-  usernames.map(u => getPlayer(state, u));
+export const getPlayers = (state, usernames) => usernames.map(u => getPlayer(state, u));