Fix type only imports 166

src/index.ts

@@ -1160,6 +1160,7 @@ export function processProject(
               kind: StructureKind.ImportDeclaration,
               moduleSpecifier,
               namedImports,
+              isTypeOnly: true,
             })
             return structures
           },

tests/features/adds_type_guard_import_to_source_file_and_also_exports.test.ts

@@ -19,7 +19,7 @@ export interface Empty { }
     export interface Empty {}
     export { CustomGuardAlias };`,
     'test.guard.ts': `
-    import { Empty } from "./test";
+    import type { Empty } from "./test";
 
     export function isEmpty(obj: unknown): obj is Empty {
         const typedObj = obj as Empty

tests/features/allows_the_name_of_the_guard_file_file_to_be_specified.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.debug.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/any_and_unknown_work_in_interesction_types.test.ts

@@ -14,7 +14,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { AnyAndString, UnknownAndString, AnyAndUnknownAndString } from "./test";
+    import type { AnyAndString, UnknownAndString, AnyAndUnknownAndString } from "./test";
 
     export function isAnyAndString(obj: unknown): obj is AnyAndString {
         const typedObj = obj as AnyAndString

tests/features/any_and_unknown_work_in_union_types.test.ts

@@ -14,7 +14,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { AnyOrString, UnknownOrString, AnyOrUnknownOrString } from "./test";
+    import type { AnyOrString, UnknownOrString, AnyOrUnknownOrString } from "./test";
 
     export function isAnyOrString(obj: unknown): obj is AnyOrString {
         const typedObj = obj as AnyOrString

tests/features/check_if_any_callable_properties_is_a_function.test.ts

@@ -21,7 +21,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { TestType } from "./test";
+      import type { TestType } from "./test";
 
       export function isTestType(obj: unknown): obj is TestType {
           const typedObj = obj as TestType

tests/features/check_if_callable_interface_is_a_function.test.ts

@@ -15,7 +15,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { TestType } from "./test";
+      import type { TestType } from "./test";
 
       export function isTestType(obj: unknown): obj is TestType {
           const typedObj = obj as TestType

tests/features/correctly_handles_default_export.test.ts

@@ -15,7 +15,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import Foo from "./test";
+    import type Foo from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/deals_with_unknown_type_as_it_would_any.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { TestType } from "./test";
+      import type { TestType } from "./test";
 
       export function isTestType(obj: unknown): obj is TestType {
           const typedObj = obj as TestType

tests/features/duplicate_guard_re-exports.test.ts

@@ -17,7 +17,7 @@ testProcessProject(
     * Generated type guards for "custom.ts".
     * WARNING: Do not manually change this file.
     */
-    import { Color } from "./custom";
+    import type { Color } from "./custom";
 
     export function isColor(obj: unknown): obj is Color {
         const typedObj = obj as Color
@@ -46,7 +46,7 @@ testProcessProject(
     * Generated type guards for "custom.ts".
     * WARNING: Do not manually change this file.
     */
-    import { Color } from "./custom";
+    import type { Color } from "./custom";
 
     export function isColor(obj: unknown): obj is Color {
         const typedObj = obj as Color

tests/features/generated_type_guards_for_arrays_of_any.test.ts

@@ -12,7 +12,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { Foo } from "./test";
+      import type { Foo } from "./test";
 
       export function isFoo(obj: unknown): obj is Foo {
           const typedObj = obj as Foo

tests/features/generated_type_guards_for_discriminated_unions.test.ts

@@ -10,7 +10,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { X } from "./test";
+    import type { X } from "./test";
 
     export function isX(obj: unknown): obj is X {
         const typedObj = obj as X

tests/features/generated_type_guards_for_enums.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Types } from "./test";
+    import type { Types } from "./test";
 
     export function isTypes(obj: unknown): obj is Types {
         const typedObj = obj as Types

tests/features/generated_type_guards_for_intersection_type.test.ts

@@ -10,7 +10,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { X } from "./test";
+    import type { X } from "./test";
 
     export function isX(obj: unknown): obj is X {
         const typedObj = obj as X

tests/features/generated_type_guards_for_nested_arrays.test.ts

@@ -14,7 +14,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-        import { Foo } from "./test";
+        import type { Foo } from "./test";
 
         export function isFoo(obj: unknown): obj is Foo {
             const typedObj = obj as Foo

tests/features/generated_type_guards_for_numeric_enums_in_optional_records.test.ts

@@ -16,7 +16,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { Types, TestItem } from "./test";
+      import type { Types, TestItem } from "./test";
 
       export function isTypes(obj: unknown): obj is Types {
           const typedObj = obj as Types

tests/features/generates_tuples.test.ts

@@ -11,7 +11,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { A } from "./test";
+    import type { A } from "./test";
 
     export function isA(obj: unknown): obj is A {
         const typedObj = obj as A

tests/features/generates_type_guards_for_JSDoc_see_with_link_tag.test.ts

@@ -10,7 +10,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Bool } from "./test";
+    import type { Bool } from "./test";
 
     export function isBool(obj: unknown): obj is Bool {
         const typedObj = obj as Bool

tests/features/generates_type_guards_for_a_Pick_type.test.ts

@@ -15,7 +15,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_an_object_literal_type.test.ts

@@ -12,7 +12,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_boolean.test.ts

@@ -10,7 +10,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Bool } from "./test";
+    import type { Bool } from "./test";
 
     export function isBool(obj: unknown): obj is Bool {
         const typedObj = obj as Bool

tests/features/generates_type_guards_for_dynamic_object_keys,_including_when_mixed_with_static_keys.test.ts

@@ -15,7 +15,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { TestType } from "./test";
+      import type { TestType } from "./test";
 
       export function isTestType(obj: unknown): obj is TestType {
           const typedObj = obj as TestType

tests/features/generates_type_guards_for_empty_object_if_exportAll_is_true.test.ts

@@ -9,7 +9,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Empty } from "./test";
+    import type { Empty } from "./test";
 
     export function isEmpty(obj: unknown): obj is Empty {
         const typedObj = obj as Empty

tests/features/generates_type_guards_for_interface_extending_object_type.test.ts

@@ -16,7 +16,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_interface_extending_object_type_with_type_guard.test.ts

@@ -17,7 +17,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Bar, Foo } from "./test";
+    import type { Bar, Foo } from "./test";
 
     export function isBar(obj: unknown): obj is Bar {
         const typedObj = obj as Bar

tests/features/generates_type_guards_for_interface_extending_other_interface.test.ts

@@ -16,7 +16,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_interface_extending_other_interface_with_type_guard.test.ts

@@ -17,7 +17,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Bar, Foo } from "./test";
+    import type { Bar, Foo } from "./test";
 
     export function isBar(obj: unknown): obj is Bar {
         const typedObj = obj as Bar

tests/features/generates_type_guards_for_interface_properties_with_numerical_names.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_interface_property_with_empty_string_as_name.test.ts

@@ -12,7 +12,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_interface_with_optional_field.test.ts

@@ -14,7 +14,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_mapped_types.test.ts

@@ -18,7 +18,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-     import { PropertyValueType, PropertyName, Foo } from "./test";
+     import type { PropertyValueType, PropertyName, Foo } from "./test";
 
      export function isPropertyValueType(obj: unknown): obj is PropertyValueType {
         const typedObj = obj as PropertyValueType

tests/features/generates_type_guards_for_nested_interface.test.ts

@@ -16,7 +16,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_nested_interface_with_type_guard.test.ts

@@ -17,7 +17,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Bar, Foo } from "./test";
+    import type { Bar, Foo } from "./test";
 
     export function isBar(obj: unknown): obj is Bar {
         const typedObj = obj as Bar

tests/features/generates_type_guards_for_property_with_non_alphanumeric_name_.test.ts

@@ -33,7 +33,7 @@ for (const propertyName of nonAlphanumericCharacterPropertyNames) {
     {
       'test.ts': null,
       'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo
@@ -59,7 +59,7 @@ for (const propertyName of nonAlphanumericCharacterPropertyNames) {
     {
       'test.ts': null,
       'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_record_types.test.ts

@@ -11,7 +11,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-      import { TestType } from "./test";
+      import type { TestType } from "./test";
 
       export function isTestType(obj: unknown): obj is TestType {
           const typedObj = obj as TestType

tests/features/generates_type_guards_for_recursive_types.test.ts

@@ -17,7 +17,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Branch1, Branch2, Branch3 } from "./test";
+    import type { Branch1, Branch2, Branch3 } from "./test";
 
     export function isBranch1(obj: unknown): obj is Branch1 {
         const typedObj = obj as Branch1

tests/features/generates_type_guards_for_simple_interface.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_type_properties_with_numerical_names.test.ts

@@ -13,7 +13,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_for_type_property_with_empty_string_as_name.test.ts

@@ -12,7 +12,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         const typedObj = obj as Foo

tests/features/generates_type_guards_with_a_short_circuit.test.ts

@@ -12,7 +12,7 @@ testProcessProject(
   {
     'test.ts': null,
     'test.guard.ts': `
-    import { Foo } from "./test";
+    import type { Foo } from "./test";
 
     export function isFoo(obj: unknown): obj is Foo {
         if (DEBUG) return true

tests/features/imports_and_uses_generated_type_guard_if_the_type_is_used_in_another_file.test.ts

@@ -20,8 +20,8 @@ testProcessProject(
     'test.ts': null,
     'test-list.ts': null,
     'test-list.guard.ts': `
-      import { isTestType } from "./test.guard";
-      import { TestTypeList } from "./test-list";
+      import type { isTestType } from "./test.guard";
+      import type { TestTypeList } from "./test-list";
 
       export function isTestTypeList(obj: unknown): obj is TestTypeList {
           const typedObj = obj as TestTypeList
@@ -34,7 +34,7 @@ testProcessProject(
       }
       `,
     'test.guard.ts': `
-        import { TestType } from "./test";
+        import type { TestType } from "./test";
 
         export function isTestType(obj: unknown): obj is TestType {
             const typedObj = obj as TestType