Configurable product with swatches, doesn't show tier pricing when clicking edit in cart OR when active swatch set with url hash

[pixiemediaweb]

Preconditions (*)

1. Magento 2.3.5

Steps to reproduce (*)

1. Create a configurable product with swatch options
2. Add tier prices to one of the options
3. Go to configurable product PDP
4. Select the tier price product
5. Add the product to cart
6. Click on edit button from mini cart/ cart page
7. Check the tier price is not shown on edit product page
8. Load the page with #attribute_id=value_id to preset the swatch value

Expected result (*)

1. Tier price block should show

Actual result (*)

1. Tier price does not show

Solution (*)

The issue lies in file;
/vendor/magento/module-swatches/view/base/web/js/swatch-renderer.js

The function _UpdatePrice: function () { has a dependency on if this.options.tierPriceTemplate being defined on hashed options being set on load, which it isnt.

Here's the change to ensure it gets defined;

Before:

_UpdatePrice: function () {
        var $widget = this,
            $product = $widget.element.parents($widget.options.selectorProduct),
            $productPrice = $product.find(this.options.selectorProductPrice),
            result = $widget._getNewPrices(),
            tierPriceHtml,
            isShow;

        $productPrice.trigger(
            'updatePrice',
            {
                'prices': $widget._getPrices(result, $productPrice.priceBox('option').prices)
            }
        );

        isShow = typeof result != 'undefined' && result.oldPrice.amount !== result.finalPrice.amount;

        $product.find(this.options.slyOldPriceSelector)[isShow ? 'show' : 'hide']();

        if (typeof result != 'undefined' && result.tierPrices && result.tierPrices.length) {
            if (this.options.tierPriceTemplate) {
                tierPriceHtml = mageTemplate(
                    this.options.tierPriceTemplate,
                    {
                        'tierPrices': result.tierPrices,
                        '$t': $t,
                        'currencyFormat': this.options.jsonConfig.currencyFormat,
                        'priceUtils': priceUtils
                    }
                );
                $(this.options.tierPriceBlockSelector).html(tierPriceHtml).show();
            } 

After;

_UpdatePrice: function () {
        var $widget = this,
            $product = $widget.element.parents($widget.options.selectorProduct),
            $productPrice = $product.find(this.options.selectorProductPrice),
            result = $widget._getNewPrices(),
            tierPriceHtml,
            isShow;

        $productPrice.trigger(
            'updatePrice',
            {
                'prices': $widget._getPrices(result, $productPrice.priceBox('option').prices)
            }
        );

        isShow = typeof result != 'undefined' && result.oldPrice.amount !== result.finalPrice.amount;

        $product.find(this.options.slyOldPriceSelector)[isShow ? 'show' : 'hide']();

        if (typeof result != 'undefined' && result.tierPrices && result.tierPrices.length) {
            // ADDED HERE
            if (this.options.tierPriceTemplate = $(this.options.tierPriceTemplateSelector).html()) {
                tierPriceHtml = mageTemplate(
                    this.options.tierPriceTemplate,
                    {
                        'tierPrices': result.tierPrices,
                        '$t': $t,
                        'currencyFormat': this.options.jsonConfig.currencyFormat,
                        'priceUtils': priceUtils
                    }
                );
                $(this.options.tierPriceBlockSelector).html(tierPriceHtml).show();
            }

Additional information
more detailed steps and screens #28270 (Comment)

[m2-assistant]

Hi @pixiemediaweb. Thank you for your report.
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[m2-assistant]

Hi @swathishs. Thank you for working on this issue.
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[swathishs]

@magento give me 2.4-develop instance

[magento-engcom-team]

Hi @swathishs. Thank you for your request. I'm working on Magento 2.4-develop instance for you

[magento-engcom-team]

Hi @swathishs, here is your Magento instance.
Admin access: https://i-28270-2-4-develop.instances.magento-community.engineering/admin_bac1
Login: 9a4a9882 Password: 351d853ea175
Instance will be terminated in up to 3 hours.

[swathishs]

@magento give me 2.4-develop instance

[magento-engcom-team]

Hi @swathishs. Thank you for your request. I'm working on Magento 2.4-develop instance for you

[swathishs]

@pixiemediaweb: I have created a configurable product with color swatch options and tried to pre-set the value. But couldn't able to select the red option in my scenario. Please find the attachment below for reference

Link-https://i-28461-2-4-develop.instances.magento-community.engineering/config-product-by-ajith.html#color=red

Could you give some more information on how to pre-set the #attribute_id=value_id

[swathishs]

Hi @pixiemediaweb
Feel free to reopen once you update the comment
Thanks !!