Fix merge id normalization

src/history/merge/id.js

@@ -21,14 +21,14 @@ export const isValidId = function (value) {
 
 // `merge` can be "last", which refers to the previous result's id.
 // If there are no previous results, a new UUIDv4 is generated.
-export const normalizeId = function (targetResult, history) {
-  if (targetResult.id !== LAST_ID) {
-    return targetResult
+export const normalizeId = function (newResult, history) {
+  if (newResult.id !== LAST_ID) {
+    return newResult
   }
 
   const id =
     history.length === 0 ? getDefaultId() : history[history.length - 1].id
-  return { ...targetResult, id }
+  return { ...newResult, id }
 }
 
 const LAST_ID = 'last'

src/history/merge/results.js

@@ -9,8 +9,6 @@ import { mergeSystems } from '../../top/system/merge.js'
 import { groupBy } from '../../utils/group.js'
 import { pickLast } from '../../utils/last.js'
 
-import { normalizeId } from './id.js'
-
 // Merge all rawResults with the same `id`.
 // The `merge` configuration property sets the result's `id`, which can be used
 // to merge several results.
@@ -58,9 +56,8 @@ import { normalizeId } from './id.js'
 //  - However, grouping can remove this sorting order, so we sort again to
 //    ensure the last result is still the target result
 export const mergeResults = function (history, targetResult) {
-  const targetResultA = normalizeId(targetResult, history)
   const rawResultsGroups = Object.values(
-    groupBy([...history, targetResultA], 'id'),
+    groupBy([...history, targetResult], 'id'),
   )
   const results = rawResultsGroups.map(mergeRawResultsGroup)
   const resultsA = sortOn(results, 'timestamp')

src/run/create.js

@@ -1,5 +1,6 @@
 import { listCombinations } from '../combination/list.js'
 import { listHistory } from '../history/data/main.js'
+import { normalizeId } from '../history/merge/id.js'
 import { createTopProps } from '../top/create.js'
 
 // Create a newResult to measure
@@ -8,7 +9,8 @@ export const createResult = async function (config) {
     createNewResult(config),
     listHistory(config),
   ])
-  return { newResult, history }
+  const newResultA = normalizeId(newResult, history)
+  return { newResult: newResultA, history }
 }
 
 const createNewResult = async function (config) {