ditox-react/dist/esm/hooks.js

Dependency injection container for React.js

import { useContext, useMemo } from 'react';
import { DependencyContainerContext } from './DependencyContainer';
/**
 * @internal
 */
export function useDependencyContainer(mode) {
    const container = useContext(DependencyContainerContext);
    if (!container && mode === 'strict') {
        throw new Error('Container is not provided by DependencyContainer component');
    }
    return container;
}
/**
 * @category Hook
 *
 * Returns a dependency by token, or fails with an error.
 */
export function useDependency(token) {
    const container = useDependencyContainer('strict');
    const value = useMemo(() => container.resolve(token), [container, token]);
    return value;
}
/**
 * @category Hook
 *
 * Returns a dependency by token, or `undefined` in case the dependency is not provided.
 */
export function useOptionalDependency(token) {
    const container = useDependencyContainer();
    const value = useMemo(() => container === null || container === void 0 ? void 0 : container.get(token), [container, token]);
    return value;
}
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