85 lines
2.4 KiB
Markdown
85 lines
2.4 KiB
Markdown
# Utilities <!-- omit in toc -->
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## Table of Contents <!-- omit in toc -->
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- [`extensionCartUpdate`](#extensioncartupdate)
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- [Usage](#usage)
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- [Options](#options)
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- [`args (object, required)`](#args-object-required)
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- [`mustContain`](#mustcontain)
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- [Usage](#usage-1)
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- [Options](#options-1)
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- [`value (string, required)`](#value-string-required)
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- [`requiredValue (string, required)`](#requiredvalue-string-required)
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Miscellaneous utility functions for dealing with checkout functionality.
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## `extensionCartUpdate`
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When executed, this will call the cart/extensions REST API endpoint. The new cart is then received into the client-side store.
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### Usage
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```ts
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// Aliased import
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import { extensionCartUpdate } from '@woocommerce/blocks-checkout';
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// Global import
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// const { extensionCartUpdate } = wc.blocksCheckout;
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extensionCartUpdate( {
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namespace: 'extension-unique-namespace',
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data: {
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key: 'value',
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},
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} );
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```
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### Options
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The following options are available:
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#### `args (object, required)`
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Args to pass to the Rest API endpoint. This can contain data and a namespace to trigger extension specific functionality on the server-side. [You can read more about this, and the server-side implementation, in this doc.](../../../docs/third-party-developers/extensibility/rest-api/extend-rest-api-update-cart.md)
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## `mustContain`
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Ensures that a given value contains a string, or throws an error.
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### Usage
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```js
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// Aliased import
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import { mustContain } from '@woocommerce/blocks-checkout';
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// Global import
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// const { mustContain } = wc.blocksCheckout;
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mustContain( 'This is a string containing a <price />', '<price />' ); // This will not throw an error
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mustContain( 'This is a string', '<price />' ); // This will throw an error
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```
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### Options
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The following options are available:
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#### `value (string, required)`
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Value being checked. Must be a string.
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#### `requiredValue (string, required)`
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What value must contain. If this is not found within `value`, and error will be thrown.
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<!-- FEEDBACK -->
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---
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[We're hiring!](https://woocommerce.com/careers/) Come work with us!
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🐞 Found a mistake, or have a suggestion? [Leave feedback about this document here.](https://github.com/woocommerce/woocommerce-blocks/issues/new?assignees=&labels=type%3A+documentation&template=--doc-feedback.md&title=Feedback%20on%20./packages/checkout/utils/README.md)
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<!-- /FEEDBACK -->
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