Try to detect named type import specifiers

src/ExportMap.js

@@ -400,17 +400,24 @@ ExportMap.parse = function (path, content, context) {
     if (declaration.importKind === 'type') return null // skip Flow type imports
     const importedSpecifiers = new Set()
     const supportedTypes = new Set(['ImportDefaultSpecifier', 'ImportNamespaceSpecifier'])
+    let hasImportedType = false
     if (declaration.specifiers) {
       declaration.specifiers.forEach(specifier => {
-        if (supportedTypes.has(specifier.type)) {
+        const isType = specifier.importKind === 'type'
+        hasImportedType = hasImportedType || isType
+
+        if (supportedTypes.has(specifier.type) && !isType) {
           importedSpecifiers.add(specifier.type)
         }
-        if (specifier.type === 'ImportSpecifier') {
+        if (specifier.type === 'ImportSpecifier' && !isType) {
           importedSpecifiers.add(specifier.imported.name)
         }
       })
     }
 
+    // only Flow types were imported
+    if (hasImportedType && importedSpecifiers.size === 0) return null
+
     const p = remotePath(declaration.source.value)
     if (p == null) return null
     const existing = m.imports.get(p)

tests/files/cycles/flow-types-depth-one.js

@@ -1,6 +1,6 @@
 // @flow
 
 import type { FooType } from './flow-types-depth-two';
-import bar from './flow-types-depth-two';
+import { type BarType, bar } from './flow-types-depth-two';
 
 export { bar }

tests/files/cycles/flow-types.js

@@ -1,5 +1,6 @@
 // @flow
 
 import type { FooType } from './flow-types-depth-two';
+import { type BarType } from './flow-types-depth-two';
 
 export const bar = 1;