chore(pos): remove deprecated .observe event extension targets#4535
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Remove the four early-access POS .observe targets (transaction-complete, cash-tracking-session-start, cash-tracking-session-complete, cart-update) and their exclusive payload types. Replacement is the pos.app.ready.data background target with addEventListener / cart.current.subscribe(). Assisted-By: devx/8ba453a3-96d0-4701-a8cc-43c4651bd027
henryStelle
approved these changes
Jul 2, 2026
akhayoon
approved these changes
Jul 2, 2026
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What
Removes the four POS
.observeevent extension targets and their exclusive payload types:pos.transaction-complete.event.observepos.cash-tracking-session-start.event.observepos.cash-tracking-session-complete.event.observepos.cart-update.event.observeWhy
These were early-access targets, deprecated and marked
@privatein #4146. Runtime telemetry over the last 30 days shows almost no usage: three of them had zero events, andtransaction-completehad 4 initializations from a single known early-access partner shop. The replacement target,pos.app.ready.data, ships in this version line.Migration
pos.app.ready.datapos.transaction-complete.event.observeshopify.addEventListener('transactioncomplete', callback)pos.cash-tracking-session-start.event.observeshopify.addEventListener('cashtrackingsessionstart', callback)pos.cash-tracking-session-complete.event.observeshopify.addEventListener('cashtrackingsessioncomplete', callback)pos.cart-update.event.observeshopify.cart.current.subscribe()Notes
EventExtensionTargets/EventExtensionTargettypes and theTransactionCompleteData,CashTrackingSessionStartData,CashTrackingSessionCompleteData, andCartUpdateEventDatapayload types. The receipt-target typeTransactionCompleteWithReprintDatais unchanged.ui-extensions-testermock factories for these targets are removed.docs/.../generatedare produced by the docs pipeline and aren't regenerated here.Part of https://github.com/shop/issues-retail/issues/31540