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task-stateful-clones solution 1 #5245

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1787888
task-stateful-clones solution 1
Moises-S001 Jan 4, 2026
4e2d9e2
task-stateful-clones solution 2
Moises-S001 Jan 5, 2026
67e64be
task-stateful-clones solution 3
Moises-S001 Jan 5, 2026
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26 changes: 25 additions & 1 deletion src/transformStateWithClones.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,31 @@
* @return {Object[]}
*/
function transformStateWithClones(state, actions) {
// write code here
const history = [];
let currentState = { ...state };

for (const action of actions) {
switch (action.type) {
case 'addProperties':
Object.assign(currentState, action.extraData);
break;

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

case 'clear':
currentState = {};
break;
default:
return 'Erro';
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@mateacademy-ai-mentor mateacademy-ai-mentor Jan 5, 2026

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This return statement causes the function to exit immediately with a string value. However, the function is documented to return an array of objects (Object[]), so returning a string here is incorrect.

For an unknown action type, the function should probably ignore it and continue processing the rest of the actions. A break statement would be more appropriate here to achieve that.

}
history.push({ ...currentState });
}

return history;
}

module.exports = transformStateWithClones;