Rename Checkout Sheet Kit to Checkout Kit (React Native)

[Juanita-Dash]

Part of https://github.com/shop/issues-checkout-kit/issues/883

Important

Scope of this PR vs. follow-up work

This PR renames the React Native bridge (npm package, RN module, TS public API, source files, internal Java/Swift symbols). It intentionally does not rename the upstream native dependencies, because com.shopify:checkout-kit (Android Maven) and ShopifyCheckoutKit (iOS CocoaPod, 3.x) are not yet published — only com.shopify:checkout-sheet-kit and ShopifyCheckoutSheetKit exist today, so renaming them here would break CI with Could not find / None of your spec sources contain a spec satisfying the dependency errors.

A follow-up PR will rename:

• iOS podspec dep: ShopifyCheckoutSheetKit ~> 3.8.0 → ShopifyCheckoutKit
• Android gradle dep: com.shopify:checkout-sheet-kit → com.shopify:checkout-kit
• Bridge Swift import ShopifyCheckoutSheetKit and all ShopifyCheckoutSheetKit.* framework calls (in modules/@shopify/checkout-kit/ios/*.swift and sample/ios/ReactNativeTests/*.swift)
• Xcode project upstream-pod search paths in sample/ios/ReactNative.xcodeproj/project.pbxproj (libShopifyCheckoutSheetKit.a, ${PODS_CONFIGURATION_BUILD_DIR}/ShopifyCheckoutSheetKit, $(SRCROOT)/Pods/ShopifyCheckoutSheetKit/**, and the corresponding SWIFT_INCLUDE_PATHS entries) — kept aligned with the upstream pod's actual product name. The bridge pod paths (RNShopifyCheckoutKit) and renamed test file (ShopifyCheckoutKitTests.swift) in the same pbxproj are renamed in this PR.

...once those upstream artifacts are published under their new names.

Important

GitHub URLs and deep-links

All https://github.com/Shopify/checkout-kit/... references in this PR (package.json homepage/repository, podspec s.source, README badges, CONTRIBUTING/PR template links, etc.) currently point at a repo that doesn't exist publicly yet — they will 404 until the cross-platform monorepo migration completes (interim host: shopify-playground/checkout-kit; final: Shopify/checkout-kit once made public).

The npm repository.directory field in modules/@shopify/checkout-kit/package.json (react-native/modules/@shopify/checkout-kit) is anticipatory in the same way — it assumes the future monorepo layout where react-native/ is a sibling of swift/ and android/. npm's "View source" deep-link on the package page will resolve correctly once the monorepo lands.

This is the same anticipatory pattern used by the already-merged Swift and Android rename PRs (swift, android) — keeping the three rename PRs consistent.

A separate follow-up PR (cross-platform, coordinated with the monorepo restructure into swift/, android/, react-native/ subdirs) will fix the deep-links (/blob/main/..., /actions/...) once the file paths in the new monorepo layout are settled.

What changes are you making?

Renames the React Native bridge from Shopify Checkout Sheet Kit to Shopify Checkout Kit.

Package and bridge (renamed in this PR)

• npm package: @shopify/checkout-sheet-kit → @shopify/checkout-kit
• iOS pod / podspec: RNShopifyCheckoutSheetKit → RNShopifyCheckoutKit
• Android Java package: com.shopify.reactnative.checkoutsheetkit → com.shopify.reactnative.checkoutkit
• Codegen spec name: RNShopifyCheckoutSheetKitSpec → RNShopifyCheckoutKitSpec

TypeScript public API (renamed in this PR — drops "Sheet" everywhere)

• Class: ShopifyCheckoutSheet → ShopifyCheckout
• Provider: ShopifyCheckoutSheetProvider → ShopifyCheckoutProvider
• Hook: useShopifyCheckoutSheet → useShopifyCheckout
• Context: ShopifyCheckoutSheetContext → ShopifyCheckoutContext

Source files and directories (renamed in this PR)

• modules/@shopify/checkout-sheet-kit/ → modules/@shopify/checkout-kit/
• ShopifyCheckoutSheetKit*.swift → ShopifyCheckoutKit*.swift
• ShopifyCheckoutSheetKitModule.java / Package.java → ShopifyCheckoutKitModule.java / Package.java
• NativeShopifyCheckoutSheetKit.ts → NativeShopifyCheckoutKit.ts

Upstream native deps (deferred to a follow-up PR — see callout above)

• iOS Pod dep ShopifyCheckoutSheetKit ~> 3.8.0 → unchanged (would-be ShopifyCheckoutKit)
• Android Maven artifact com.shopify:checkout-sheet-kit → unchanged (would-be com.shopify:checkout-kit)

Not changed (cross-team web checkout contracts)

• ShopifyCheckoutSDK/<version> user-agent — parsed by web checkout
• window.MobileCheckoutSdk JS bridge global — defined by web checkout
• checkout-sdk.myshopify.com test fixture URLs — not a branding reference

How to test

1. Lints + tests (all passing locally):

   pnpm module lint
   pnpm sample lint
   pnpm test
   ./scripts/lint_swift

2. iOS sample: pnpm pod-install && pnpm ios

3. Android sample: pnpm android

4. Consumer migration check — apps importing the old library will need to:

   • Update package: @shopify/checkout-sheet-kit → @shopify/checkout-kit
   • Update imports: ShopifyCheckoutSheet → ShopifyCheckout, useShopifyCheckoutSheet → useShopifyCheckout, ShopifyCheckoutSheetProvider → ShopifyCheckoutProvider

[Juanita-Dash]

• Rename Checkout Sheet Kit to Checkout Kit (React Native) #483 👈 (View in Graphite)
• feat!: bump to v4.0.0 (New Architecture Release) #467
• Remove New Arch interop checks - New Arch only #456
• Add TurboModule specs and codegen components to prepare RN new-arch migration #449
• fix: pin react-native-quick-crypto to 1.0.9 #480
• main

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