Build a Frontend App With Any Tools | Dataford Interview Questions

Develop a frontend application from scratch. You are allowed to use any framework or libraries.

For grading, implement the provided Python function as a deterministic model of the application’s required UI behavior. Return clear feedback for loading, success, empty, error, and unknown states, and report narrow-layout and keyboard-navigation requirements when applicable.

Input and Output

The function receives three strings and returns a dictionary containing the applicable UI requirements.

Constraints

state is a string
viewport is either "wide" or "narrow"
navigation is either "mouse" or "keyboard"
Return a dictionary containing only the applicable requirement keys
Unknown states must produce understandable error feedback and recovery guidance

Function Signature

def evaluate_frontend_requirements(state, viewport, navigation):

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Problem