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I have created custom extension and how to fire custom ajax before add to cart ajax fire in product detail page from my custom module. I don't want to override js in theme level. please suggest any solution

  • I've given answer, if any doubts please comment below. Thanks – Prathap Gunasekaran Feb 19 at 8:54
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In your custom module (suppose my custom module is Anshu_Custom), add requirejs-config.js under Anshu/Custom/view/frontend

var config = {
    config: {
        mixins: {
            'Magento_Catalog/js/catalog-add-to-cart': {
                'Anshu_Custom/js/add-to-cart-mixin': true
            }
        }
    }
};

Now create your mixin js file add-to-cart-mixin.js under Anshu/Custom/view/frontend/web/js

define(['jquery'], function($){
    'use strict';

    return function(catalogAddToCart){ // this function receives the return value of the mixin target
        $.widget('mage.catalogAddToCart', catalogAddToCart, {
            submitForm: function(form) {
                console.log('Working');
        // your custom code
                return this._super(form);
            }
        });
        return catalogAddToCart; // always mixins has to return a function
    };
});

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