blob: 35b804a73b5414d8f1fee94c8881b171cd1d64f0 [file] [log] [blame]
// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package work
import (
"context"
"golang.org/x/mod/modfile"
"golang.org/x/tools/internal/event"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
)
func Format(ctx context.Context, snapshot source.Snapshot, fh source.FileHandle) ([]protocol.TextEdit, error) {
ctx, done := event.Start(ctx, "work.Format")
defer done()
pw, err := snapshot.ParseWork(ctx, fh)
if err != nil {
return nil, err
}
formatted := modfile.Format(pw.File.Syntax)
// Calculate the edits to be made due to the change.
diff, err := snapshot.View().Options().ComputeEdits(fh.URI(), string(pw.Mapper.Content), string(formatted))
if err != nil {
return nil, err
}
return source.ToProtocolEdits(pw.Mapper, diff)
}