2

I added a text field Box in minicart that need to perform some calculation on keyup to update Qty.

I Added box field by modifying

module-checkout/view/frontend/web/template/minicart/item/default.html

Now I want to extend sidebar.js, To perform action on Knockout.js so that I update the Qty on keyup

module-checkout/view/frontend/web/js/sidebar.js

I am not sure how to do this.

I created a module and extended the sidebar.js in requirejs-config.js, its not working.

var config = {
    map: {
        '*': {
            'Magento_Checkout/js/sidebar': 'new_ConfigProductDynamicName/js/sidebar',
        }
    }
};

I can see keyup of Qty to display update button in sidebar.js, I am not sure what will come at this.options.item.qty I am trying to do console.

 events['keyup ' + this.options.item.qty] = function (event) {
                console.log(this.options.item.qty);
                self._showItemButton($(event.target));
            };

How can I create a keyup function for the text field Box I created and perform action to update the Qty of that particular product in Mincart

enter image description here

3

you can follow below steps to solve the issue you have.

step 1: update Box input html in the file checkout/view/frontend/web/template/minicart/item/default.html as below.

<div class="details-qty box">
    <label class="label" data-bind="i18n: 'Box', attr: {
                    for: 'cart-item-'+item_id+'-qtybox'}"></label>
    <input data-bind="attr: {
        id: 'cart-item-'+item_id+'-qtybox',
        'data-cart-item': item_id,
        'data-item-boxqty': qty,
        'data-cart-item-id': product_sku
        }, value: qty"
        type="number"
        size="4"
        class="item-qty cart-item-qtybox">
</div> 

step 2:
update your modules requirejs-config.js for mixins.

File : requirejs-config.js

var config = {
    config: {    
        mixins: {
            'Magento_Checkout/js/sidebar': 'new_ConfigProductDynamicName/js/sidebar',: true},
        },        

    }
};

step 3:
Please update the JS file for the js component 'new_ConfigProductDynamicName/js/sidebar'

File : sidebar.js

define([
    'jquery',    
    'uiComponent'
], function($, Component) {
    'use strict'; 
    return function(target) {
    return $.widget('mage.sidebar', $.mage.sidebar, {
        options: {
            isRecursive: true,
            item: {
                'qtybox':':input.cart-item-qtybox',
            }
        },       

        _showItemButton: function (elem) {
            var itemId = elem.data('cart-item'),
                itemQty = elem.data('item-qty');
            var qtyBoxElemId =  'cart-item-'+itemId+'-qtybox';
            if (this._isValidQty(itemQty, elem.val())) {
                $('#update-cart-item-' + itemId).show('fade', 300);
                var boxQty = elem.val() / 5 ;
                $("#"+qtyBoxElemId).val(boxQty);

            } else if (elem.val() == 0) { //eslint-disable-line eqeqeq
                this._hideItemButton(elem);
            } else {
                this._hideItemButton(elem);
            }
        },

    });
  }
});

step 4: Now run below CLI command from your Magento root to clean static content and cache refresh

sudo rm -rf pub/static/frontend/*
sudo php bin/magento cache:flush

enter image description here

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