mini-react-dom/src/core/context.js

A lightweight React-like DOM renderer with JSX, hooks, context, SSR and lazy support

export function createContext(defaultValue) {
  const context = {
    Provider: ({ value, children }) => {
      context._value = value;
      return children;
    },
    _value: defaultValue,
  };
  return context;
}

export function useContext(Context) {
  return Context._value;
}