Seeking feedback on how to further simplify the code snippet below or if this is the most efficient approach. The goal is to add action.payload to the roles array if it's not already included, and if it is present, remove it without using lodash.
const idx = state.rolesFilter.findIndex(
role => role === action.payload,
);
if (idx === -1) {
nextState.roles.push(action.payload);
} else {
nextState.roles = state.roles.filter(role => role !== action.payload);
}
A good option is to utilize the Set method
const set = new Set(state.roles);
const action = set.has(action.payload) ? 'delete' : 'add';
set[action](action.payload);
nextState.roles = [...set];
If you anticipate using the "toggle" function frequently, consider creating a custom function
function toggle(array, item) {
const set = new Set(array);
const action = set.has(item) ? 'delete' : 'add';
set[action](item);
return [...set];
}
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