| package mod |
| |
| import ( |
| "context" |
| |
| "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, "mod.Format") |
| defer done() |
| |
| pm, err := snapshot.ParseMod(ctx, fh) |
| if err != nil { |
| return nil, err |
| } |
| formatted, err := pm.File.Format() |
| if err != nil { |
| return nil, err |
| } |
| // Calculate the edits to be made due to the change. |
| diff, err := snapshot.View().Options().ComputeEdits(fh.URI(), string(pm.Mapper.Content), string(formatted)) |
| if err != nil { |
| return nil, err |
| } |
| return source.ToProtocolEdits(pm.Mapper, diff) |
| } |