Run gofumpt via go tool in dprint

.dprint.jsonc

@@ -41,7 +41,7 @@
         "cwd": "${configDir}",
         "cacheKey": "4",
         "commands": [
-            { "command": "gofumpt -lang=go1.24", "exts": ["go"] }
+            { "command": "go tool mvdan.cc/gofumpt -lang=go1.24", "exts": ["go"] }
         ]
     },
     "excludes": [

Herebyfile.mjs

@@ -126,7 +126,6 @@ function assertTypeScriptCloned() {
 
 const tools = new Map([
     ["gotest.tools/gotestsum", "latest"],
-    ["mvdan.cc/gofumpt", "v0.7.0"],
 ]);
 
 /**

go.mod

@@ -16,9 +16,11 @@ require (
 	golang.org/x/mod v0.23.0 // indirect
 	golang.org/x/sync v0.11.0 // indirect
 	golang.org/x/tools v0.30.0 // indirect
+	mvdan.cc/gofumpt v0.7.0 // indirect
 )
 
 tool (
 	github.com/matryer/moq
 	golang.org/x/tools/cmd/stringer
+	mvdan.cc/gofumpt
 )

go.sum

@@ -2,14 +2,30 @@ github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZ
 github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874 h1:F8d1AJ6M9UQCavhwmO6ZsrYLfG8zVFWfEfMS2MXPkSY=
 github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
+github.com/go-quicktest/qt v1.101.0 h1:O1K29Txy5P2OK0dGo59b7b0LR6wKfIhttaAhHUyn7eI=
+github.com/go-quicktest/qt v1.101.0/go.mod h1:14Bz/f7NwaXPtdYEgzsx46kqSxVwTbzVZsDC26tQJow=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+<<<<<<< HEAD
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+||||||| 7a99cd9da
+=======
 github.com/matryer/moq v0.5.3 h1:4femQCFmBUwFPYs8VfM5ID7AI67/DTEDRBbTtSWy7GU=
 github.com/matryer/moq v0.5.3/go.mod h1:8288Qkw7gMZhUP3cIN86GG7g5p9jRuZH8biXLW4RXvQ=
+>>>>>>> main
 github.com/pkg/diff v0.0.0-20241224192749-4e6772a4315c h1:8TRxBMS/YsupXoOiGKHr9ZOXo+5DezGWPgBAhBHEHto=
 github.com/pkg/diff v0.0.0-20241224192749-4e6772a4315c/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
+<<<<<<< HEAD
+github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
+github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
+||||||| 7a99cd9da
+=======
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+>>>>>>> main
 golang.org/x/mod v0.23.0 h1:Zb7khfcRGKk+kqfxFaP5tZqCnDZMjC5VtUBs87Hr6QM=
 golang.org/x/mod v0.23.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
@@ -20,3 +36,5 @@ golang.org/x/tools v0.30.0 h1:BgcpHewrV5AUp2G9MebG4XPFI1E2W41zU1SaqVA9vJY=
 golang.org/x/tools v0.30.0/go.mod h1:c347cR/OJfw5TI+GfX7RUPNMdDRRbjvYTS0jPyvsVtY=
 gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
 gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
+mvdan.cc/gofumpt v0.7.0 h1:bg91ttqXmi9y2xawvkuMXyvAA/1ZGJqYAEGjXuP0JXU=
+mvdan.cc/gofumpt v0.7.0/go.mod h1:txVFJy/Sc/mvaycET54pV8SW8gWxTlUuGHVEcncmNUo=

internal/vfs/cachedvfs/cachedvfs_test.go

@@ -3,6 +3,7 @@ package cachedvfs_test
 import (
 	"testing"
 
+	"github.com/microsoft/typescript-go/internal/tspath"
 	"github.com/microsoft/typescript-go/internal/vfs"
 	"github.com/microsoft/typescript-go/internal/vfs/cachedvfs"
 	"github.com/microsoft/typescript-go/internal/vfs/vfsmock"
@@ -13,7 +14,7 @@ import (
 func createMockFS() *vfsmock.FSMock {
 	return vfsmock.Wrap(vfstest.FromMap(map[string]string{
 		"/some/path/file.txt": "hello world",
-	}, true))
+	}, tspath.CaseSensitive))
 }
 
 func TestDirectoryExists(t *testing.T) {
@@ -133,21 +134,21 @@ func TestReadFile(t *testing.T) {
 	assert.Equal(t, 3, len(underlying.ReadFileCalls()))
 }
 
-func TestUseCaseSensitiveFileNames(t *testing.T) {
+func TestCaseSensitivity(t *testing.T) {
 	t.Parallel()
 
-	underlying := createMockFS()
+	underlying := createMockFS()yet
 	cached := cachedvfs.From(underlying)
 
-	cached.UseCaseSensitiveFileNames()
-	assert.Equal(t, 1, len(underlying.UseCaseSensitiveFileNamesCalls()))
+	cached.CaseSensitivity()
+	assert.Equal(t, 1, len(underlying.CaseSensitivityCalls()))
 
-	cached.UseCaseSensitiveFileNames()
-	assert.Equal(t, 2, len(underlying.UseCaseSensitiveFileNamesCalls()))
+	cached.CaseSensitivity()
+	assert.Equal(t, 2, len(underlying.CaseSensitivityCalls()))
 
 	cached.ClearCache()
-	cached.UseCaseSensitiveFileNames()
-	assert.Equal(t, 3, len(underlying.UseCaseSensitiveFileNamesCalls()))
+	cached.CaseSensitivity()
+	assert.Equal(t, 3, len(underlying.CaseSensitivityCalls()))
 }
 
 func TestWalkDir(t *testing.T) {