refactor: simplify spreading of listrTasks into main runner tasks

lib/runAll.js

@@ -60,7 +60,10 @@ module.exports = async function runAll(
   debugLog('Loaded list of staged files in git:\n%O', files)
 
   const chunkedFiles = chunkFiles({ files, gitDir, maxArgLength, relative })
-  debugLog('Chunked staged files into %s parts', chunkedFiles.length)
+  const chunkCount = chunkedFiles.length
+  if (chunkCount > 1) {
+    debugLog(`Chunked staged files into ${chunkCount} part`, chunkCount)
+  }
 
   // lint-staged 10 will automatically add modifications to index
   // Warn user when their command includes `git add`
@@ -107,7 +110,9 @@ module.exports = async function runAll(
     })
 
     listrTasks.push({
-      title: `Running tasks (${index}/${chunkedFiles.length})...`,
+      // No need to show number of task chunks when there's only one
+      title:
+        chunkCount > 1 ? `Running tasks (chunk ${index}/${chunkCount})...` : 'Running tasks...',
       task: () =>
         new Listr(chunkListrTasks, { ...listrOptions, concurrent: false, exitOnError: false }),
       skip: () => {
@@ -141,14 +146,7 @@ module.exports = async function runAll(
         title: 'Preparing...',
         task: () => git.stashBackup()
       },
-      ...(listrTasks.length === 1
-        ? [
-            {
-              ...listrTasks[0],
-              title: 'Running tasks...'
-            }
-          ]
-        : listrTasks),
+      ...listrTasks,
       {
         title: 'Applying modifications...',
         skip: ctx => ctx.hasErrors && 'Skipped because of errors from tasks',