Move state transformation from proxy wrapper to proxy-state-tree hook

[henri-hulski]

Fixes #638 by reimplementing namespace scoping at a lower level within
proxy-state-tree instead of wrapping state with an additional proxy layer.

The initial implementation used createScopedProxy which worked for actions
and effects but caused incorrect nested state mutations due to adding an
extra proxy layer on top of proxy-state-tree's existing proxies.

Changes in proxy-state-tree:

• Added transformPath hook to IOptions interface for path transformation
• Implemented resolveTransformedPath() in Proxifier to resolve transformed paths
• Modified createObjectProxy to apply transformations during property access
• Ensured proper method binding for transformed class instances (StateMachine)

Changes in Overmind:

• Removed createScopedProxy for state (kept for actions/effects)
• Implemented transformPath option in createProxyStateTree configuration
• Added execution context tracking to provide namespace information to transformPath
• Modified createAction to track currentExecution for async actions

This approach eliminates the extra proxy layer while maintaining namespace
scoping functionality, allowing state.user.status mutations to work correctly
in namespaced modules.

[codesandbox]

Review or Edit in CodeSandbox

Open the branch in Web Editor • VS Code • Insiders

Open Preview