refactor(app): split useRunningStepCounts

app/src/organisms/ErrorRecoveryFlows/hooks/useERUtils.ts

@@ -1,3 +1,5 @@
+import { useMemo } from 'react'
+
 import { useInstrumentsQuery } from '@opentrons/react-api-client'
 
 import { useRouteUpdateActions } from './useRouteUpdateActions'
@@ -13,12 +15,12 @@ import {
 } from '/app/resources/runs'
 import { useRecoveryOptionCopy } from './useRecoveryOptionCopy'
 import { useRecoveryActionMutation } from './useRecoveryActionMutation'
-import { useRunningStepCounts } from '/app/resources/protocols/hooks'
 import { useRecoveryToasts } from './useRecoveryToasts'
 import { useRecoveryAnalytics } from '/app/redux-resources/analytics'
 import { useShowDoorInfo } from './useShowDoorInfo'
 import { useCleanupRecoveryState } from './useCleanupRecoveryState'
 import { useFailedPipetteUtils } from './useFailedPipetteUtils'
+import { getRunningStepCountsFrom } from '/app/resources/protocols'
 
 import type {
   LabwareDefinition2,
@@ -102,7 +104,14 @@ export function useERUtils({
     pageLength: 999,
   })
 
-  const stepCounts = useRunningStepCounts(runId, runCommands)
+  const stepCounts = useMemo(
+    () =>
+      getRunningStepCountsFrom(
+        protocolAnalysis?.commands ?? [],
+        failedCommand?.byRunRecord ?? null
+      ),
+    [protocolAnalysis != null, failedCommand]
+  )
 
   const analytics = useRecoveryAnalytics()
 

app/src/resources/protocols/hooks/useRunningStepCounts.ts

@@ -3,6 +3,7 @@ import { useMostRecentCompletedAnalysis } from '/app/resources/runs'
 import { useLastRunProtocolCommand } from './useLastRunProtocolCommand'
 
 import type { CommandsData } from '@opentrons/api-client'
+import { getRunningStepCountsFrom } from '/app/resources/protocols'
 
 export interface StepCounts {
   /* Excludes "fixit" commands. Returns null if the step is not found. */
@@ -35,21 +36,5 @@ export function useRunningStepCounts(
     commandsData ?? null
   )
 
-  const lastRunAnalysisCommandIndex = analysisCommands.findIndex(
-    c => c.key === lastRunCommandNoFixit?.key
-  )
-
-  const currentStepNumberByAnalysis =
-    lastRunAnalysisCommandIndex === -1 ? null : lastRunAnalysisCommandIndex + 1
-
-  const hasRunDiverged =
-    lastRunCommandNoFixit?.key == null || currentStepNumberByAnalysis == null
-
-  const totalStepCount = !hasRunDiverged ? analysisCommands.length : null
-
-  return {
-    currentStepNumber: currentStepNumberByAnalysis,
-    totalStepCount,
-    hasRunDiverged,
-  }
+  return getRunningStepCountsFrom(analysisCommands, lastRunCommandNoFixit)
 }

app/src/resources/protocols/utils.ts

@@ -1,4 +1,6 @@
 import type { RunTimeCommand } from '@opentrons/shared-data'
+import type { RunCommandSummary } from '@opentrons/api-client'
+import type { StepCounts } from '/app/resources/protocols/hooks'
 
 export function isGripperInCommands(commands: RunTimeCommand[]): boolean {
   return (
@@ -8,3 +10,27 @@ export function isGripperInCommands(commands: RunTimeCommand[]): boolean {
     ) ?? false
   )
 }
+
+// See useRunningStepCounts.
+export function getRunningStepCountsFrom(
+  analysisCommands: RunTimeCommand[],
+  lastRunProtocolCommand: RunCommandSummary | null
+): StepCounts {
+  const lastRunAnalysisCommandIndex = analysisCommands.findIndex(
+    c => c.key === lastRunProtocolCommand?.key
+  )
+
+  const currentStepNumberByAnalysis =
+    lastRunAnalysisCommandIndex === -1 ? null : lastRunAnalysisCommandIndex + 1
+
+  const hasRunDiverged =
+    lastRunProtocolCommand?.key == null || currentStepNumberByAnalysis == null
+
+  const totalStepCount = !hasRunDiverged ? analysisCommands.length : null
+
+  return {
+    currentStepNumber: currentStepNumberByAnalysis,
+    totalStepCount,
+    hasRunDiverged,
+  }
+}