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Solution #2514

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22 changes: 21 additions & 1 deletion src/transformState.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,27 @@
* @param {Object[]} actions
*/
function transformState(state, actions) {
// write code here
for (const action of actions) {
switch (action.type) {
case 'addProperties':
Object.assign(state, action.extraData);
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this can also be achieved using spread operator which is more common nowadays

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Are you sure? The state object should be mutable, and the spread operator creates a copy of it without mutating it. I also cannot change the values of the state because parameters of a function cannot be reassigned, in my opinion its the best way to do

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That's correct, it's very nice that you provided an argument.

break;

case 'removeProperties':
for (const key of action.keysToRemove) {
delete state[key];
}
break;

case 'clear':
for (const key in state) {
delete state[key];
}
break;
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please add empty line after break so it's easier to read

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done

}
}

return state;
}

module.exports = transformState;