Explanation:

Data for Lightning web components should be provided as independent properties that take simpler, primitive values (e.g. String, Number, Boolean, Array). Providing data as independent properties allows the developer to expose data as public or private properties of the Lightning web component and communicate data between components or services. Providing data as simpler, primitive values allows the developer to use data types that are supported by JavaScript and Lightning web components and avoid unnecessary or complex conversions or transformations. Providing data as a few properties that contain sets (objects) of data is not a good way to provide data for Lightning web components, as it can create confusion or inconsistency in data structure and access. Providing data as one property that contains all data in one set (object) is not a good way either, as it can create complexity or inefficiency in data management and manipulation. Providing data as a single property object that contains sets (objects) of data is not a good way either, as it can create redundancy or duplication in data storage and retrieval. Salesforce References: Lightning Web Components Developer Guide: Communicate with Properties, Lightning Web Components Developer Guide: Data Types

Explanation:

To expose a public property in a Lightning web component, the developer should decorate the field with the @api decorator. This decorator marks the property as public, which means that it can be set by another component, such as a parent component. The @api decorator also makes the property reactive, which means that any changes to the property value are reflected in the component’s template. The other decorators (@property, @track, and @public) are not valid for exposing public properties in Lightning web components. References: B2B Commerce and D2C Commerce Developer Guide, [Lightning Web Components Developer Guide]

Explanation:

According to the B2B Commerce Developer Guide, the ICart interface provides access to the cart object and its related data. The Details property of the ICart interface returns an ICartDetails object, which contains information about the cart such as the currency, the subtotal, the shipping cost, the tax, and the grand total. The Fields property of the ICartDetails interface returns a map of field names and values for the cart object. Therefore, to get the grand total amount for items in the cart and in the currency of the cart, a developer should use the expression {ICart.Details.Fields.grandTotal}, which returns the value of the grandTotal field from the cart object. References: B2B Commerce Developer Guide, ICart Interface, ICartDetails Interface

Explanation:

To import the ID of the current Lightning Experience community, a developer should use the following code statement:

import id from ‘@salesforce/community/Id’; The @salesforce/community module allows the developer to access information about the current community, such as its ID, name, URL, and base path. The other modules do not exist or are not related to the community ID. The @salesforce/network module is used to access information about the current network, such as its ID and name. The @salesforce/experience module is used to access information about the current user experience, such as whether it is standard or custom. The @salesforce/site module is used to access information about the current site, such as its name and prefix.

Salesforce References: [Lightning Web Components Developer Guide: Import Community Information], [Lightning Web Components Developer Guide: Import Salesforce Modules]

Explanation:

Three actions that are applicable when modifying the number of steps required in the Salesforce Commerce Checkout flow are:

Perform a template override on the Checkout page. This action will allow you to change the structure and content of the Checkout page, such as adding or removing sections, widgets, or fields. For example, you can override the checkout.handlebars template and modify it according to your requirements. Set the value of the configuration setting defined as CO.overrideFlow to TRUE. This setting will enable you to use your own custom checkout flow instead of the default one. You need to set this value to true before you can modify the checkout flow.

Set the value of the configuration setting defined as CO.useDef to TRUE. This setting will enable you to use a single-page checkout flow instead of a multi-step checkout flow. You need to set this value to true if you want to reduce the number of steps in the checkout flow to one. Salesforce References: B2B Commerce and D2C Commerce Developer Guide, Checkout Flow

Explanation:

Two methods from the platformResourceLoader module that are relevant for including third party JavaScript and CSS in a Lightning web component are loadScript and loadStyle. The platformResourceLoader module is a module that provides methods for loading JavaScript or CSS files from static resources or external URLs into a Lightning web component. The loadScript method is used to load a JavaScript file and execute it in the component. The loadStyle method is used to load a CSS file and apply it to the component. The loadClientScript method does not exist or is not relevant for including third party JavaScript in a Lightning web component. The loadCss method does not exist or is not relevant for including third party CSS in a Lightning web component. Salesforce References: Lightning Web Components Developer Guide: Load Scripts and Style Sheets, [Lightning Web Components Developer Guide: platformResourceLoader Module]

Explanation:

In Salesforce Experience Cloud, components like CMS Collection and Results Layout are designed to be reusable across different Experience templates, not just limited to B2B Commerce. CMS Collection allows for the display of CMS content in a flexible and dynamic layout, while Results Layout can be used to present search or query results in a customizable format. Salesforce documentation on Experience Cloud components emphasizes the reusability and adaptability of these components across various templates and contexts.

Explanation:

To override pricing during the checkout process in Salesforce B2B Commerce, a developer must implement a class specifically designed for this purpose, such assfdc_checkout.CartPriceCalculations. This class would provide the necessary framework for custom pricing logic to be applied during checkout, ensuring that any custom pricing requirements are met.

Explanation:

When a developer configures a tax integration for a store, the previously calculated tax entries during the checkout flow are deleted from the Cart. A tax integration is an integration that calculates and applies tax rates and amounts to a Cart or an Order based on various factors, such as product type, price, quantity, location, and tax rules. A tax integration can use either an external tax service provider or custom Apex code to perform the tax calculation. When a developer configures a tax integration for a store, any existing tax entries in the Cart are deleted before calling the tax integration service or method. This ensures that the tax calculation is accurate and up-to-date based on the current state of the Cart and avoids any conflicts or inconsistencies with previous tax entries. The previously calculated tax entries are not ignored during recalculation, saved prior to recalculation, or modified with the new tax calculation, as these are not valid actions for handling existing tax entries. Salesforce References: B2B Commerce Developer Guide: Tax Integration, B2B Commerce Developer Guide: Tax Calculation Flow

Explanation:

The connectedCallback is a lifecycle hook that is invoked when a Lightning web component is inserted into the DOM. It is used to perform any initialization tasks that depend on the component being rendered, such as fetching data, setting up event listeners, or creating timers. The connectedCallback can fire more than once, for example, when a component is moved or rerendered. The connectedCallback should not be used to change the state of a component, such as loading values or setting properties. Use getters and setters instead. The other options are incorrect because they do not describe the purpose of the connectedCallback.

References: Lifecycle Hooks | Lightning Web Components Developer Guide, connectedCallback() in Lightning Web Component - Salesforce Diaries, Chapter 23: connnectedCallback() in Lightning Web Component

Explanation:

Composition is a key pattern in building Lightning Web Components (LWCs). This approach involves creating small, reusable components that can be assembled to form more complex interfaces. This pattern promotes modularity, reusability, and maintainability in the development of web components, aligning with web standards and best practices.

Explanation:

The display of CC Menu Items can be customized for different users by using the cc_hk_Menu extension to post-process any cached menu items. This extension allows modifying the menu items based on the user context, such as the user role, account, or cart. For example, the extension can hide or show certain menu items based on the user’s permissions or preferences.