refactor: extract sortConditions, make it easier for keithamus#350

Author: fisker

index.js

@@ -261,32 +261,41 @@ const sortScripts = onObject((scripts, packageJson) => {
   return sortObjectKeys(scripts, order)
 })
 
-const sortExports = onObject((exports) => {
-  const { paths = [], conditions = [] } = objectGroupBy(
-    Object.keys(exports),
-    (key) => (key.startsWith('.') ? 'paths' : 'conditions'),
-  )
+const sortConditions = (conditions) => {
+  const result = [...conditions]
 
   // Move `types` to top
   {
-    const index = conditions.indexOf('types')
+    const index = result.indexOf('types')
     if (index > 0) {
-      conditions.splice(index, 1)
-      conditions.unshift('types')
+      result.splice(index, 1)
+      result.unshift('types')
     }
   }
 
   // Move `default` to bottom
   {
-    const index = conditions.indexOf('default')
+    const index = result.indexOf('default')
     if (index !== -1) {
-      conditions.splice(index, 1)
-      conditions.push('default')
+      result.splice(index, 1)
+      result.push('default')
     }
   }
 
+  return result
+}
+
+const sortExports = onObject((exports) => {
+  const { paths = [], conditions = [] } = objectGroupBy(
+    Object.keys(exports),
+    (key) => (key.startsWith('.') ? 'paths' : 'conditions'),
+  )
+
   return Object.fromEntries(
-    [...paths, ...conditions].map((key) => [key, sortExports(exports[key])]),
+    [...paths, ...sortConditions(conditions)].map((key) => [
+      key,
+      sortExports(exports[key]),
+    ]),
   )
 })