Migrate your app from Shopify App Bridge 1.x to Shopify App Bridge 2.0

Migrating from Shopify App Bridge 1.x to App Bridge 2.0 makes sure that your app is performant, flexible, and has the latest features. App Bridge 2.0 includes a more streamlined interface for actions and an improved architecture for tree-shaking.

Requirements

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Your app needs to currently be running on App Bridge 1.x.

Modify your app to use the `host` parameter

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A new query parameter named host has been introduced with the release of App Bridge 2.0. The base64-encoded host parameter represents the domain that is currently hosting your embedded app.

In the Shopify admin

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The Shopify admin provides the host parameter as part of the app URL when loading your embedded app:

After the OAuth flow

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The host query parameter is also available to the app as part of the GET request made to the allow-listed redirect URL specified.

You need to store the host parameter for use with the updated createApp method:

Modify your app to use the `Action` enum instead of `ActionType`

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To streamline the library and simplify the interface, the ActionType enum has been removed from App Bridge actions. The Action enum is now used exclusively. If you need to change your code for this update, then it will be on action subscriptions: