woocommerce/packages/woocommerce-blocks/assets/js/middleware/cart-update.ts

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2021-12-10 12:03:04 +00:00
/**
* External dependencies
*/
import apiFetch, { APIFetchOptions } from '@wordpress/api-fetch';
/**
* Internal dependencies
*/
import { LAST_CART_UPDATE_TIMESTAMP_KEY } from '../data/cart/constants';
/**
* Checks if this request is a POST to the wc/store/cart endpoint.
*/
const isCartUpdatePostRequest = ( options: APIFetchOptions ) => {
const url = options.url || options.path || '';
const method = options.method || 'GET';
// Return false if there is no endpoint provided, or the request is not a POST request.
if ( ! url || method !== 'POST' ) {
return false;
}
const cartRegExp = /wc\/store\/cart\//;
const batchRegExp = /wc\/store\/batch/;
const isCart = cartRegExp.exec( url ) !== null;
const isBatch = batchRegExp.exec( url ) !== null;
if ( isCart ) {
return true;
}
if ( isBatch ) {
const requests = options?.data?.requests || [];
return requests.some( ( request: { path: string } ) => {
const requestUrl = request.path || '';
return cartRegExp.exec( requestUrl ) !== null;
} );
}
return false;
};
/**
* Middleware which saves the time that the cart was last modified in
* the browser's Local Storage
*
* @param {Object} options Fetch options.
* @param {Function} next The next middleware or fetchHandler to call.
*
* @return {*} The evaluated result of the remaining middleware chain.
*/
const cartUpdateMiddleware = (
options: APIFetchOptions,
/* eslint-disable @typescript-eslint/no-explicit-any */
next: ( arg0: APIFetchOptions, arg1: any ) => any
) => {
if ( isCartUpdatePostRequest( options ) ) {
window.localStorage.setItem(
LAST_CART_UPDATE_TIMESTAMP_KEY,
( Date.now() / 1000 ).toString()
);
}
return next( options, next );
};
apiFetch.use( cartUpdateMiddleware );