/// <summary>
/// Checks if State modifications are allowed and writes a warning to the Trace log.
/// </summary>
/// <param name="atom">The observable to report.</param>
internal static void CheckIfStateModificationsAreAllowed(this IAtom atom)
{
var sharedState = atom.SharedState;
var configuration = sharedState.Configuration;
// Should never be possible to change an observed observable from inside computed, see Mobx #798
if (sharedState.ComputationDepth > 0 && atom.HasObservers())
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resources.ComputedValuesAreNotAllowedToCauseSideEffects, atom.Name));
}
// Should not be possible to change observed state outside strict mode, except during initialization, see Mobx #563
if (!sharedState.AllowStateChanges && sharedState.Configuration.EnforceActions != EnforceAction.Never && (atom.HasObservers() || sharedState.Configuration.EnforceActions == EnforceAction.Always))
{
throw new InvalidOperationException(string.Format(
CultureInfo.CurrentCulture,
sharedState.Configuration.EnforceActions == EnforceAction.Always ? Resources.ModifiedOutsideActionEnforceAlways : Resources.ModifiedOutsideAction,
atom.Name));
}
}
