50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
import { applyMiddleware } from 'redux';
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/**
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* A registry for Redux middleware, allowing features to register their
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* middleware without needing to create additional inter-feature dependencies.
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*/
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class MiddlewareRegistry {
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/**
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* Creates a MiddlewareRegistry instance.
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*/
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constructor() {
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/**
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* The set of registered middleware.
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*/
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this.middlewareRegistry = new Set();
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}
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/**
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* Applies all registered middleware into a store enhancer.
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* (@link http://redux.js.org/docs/api/applyMiddleware.html).
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*
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* @param {Function[]} additional - Any additional middleware that need to
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* be included (such as middleware from third-party modules).
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* @returns {Function}
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*/
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applyMiddleware(...additional) {
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return applyMiddleware(
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...this.middlewareRegistry,
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...additional
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);
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}
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/**
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* Adds a middleware to the registry.
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*
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* The method is to be invoked only before {@link #applyMiddleware()}.
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*
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* @param {Function} middleware - A Redux middleware.
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* @returns {void}
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*/
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register(middleware) {
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this.middlewareRegistry.add(middleware);
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}
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}
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/**
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* The public singleton instance of the MiddlewareRegistry class.
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*/
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export default new MiddlewareRegistry();
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