refactoring: spinner filler
Vladimir Bauer
3 years ago
| 62 | 62 | return sf |
| 63 | 63 | } |
| 64 | 64 | |
| 65 | func (s *sFiller) Fill(w io.Writer, stat decor.Statistics) { | |
| 65 | func (s *sFiller) Fill(w io.Writer, stat decor.Statistics) (err error) { | |
| 66 | 66 | width := internal.CheckRequestedWidth(stat.RequestedWidth, stat.AvailableWidth) |
| 67 | 67 | |
| 68 | 68 | frame := s.frames[s.count%uint(len(s.frames))] |
| 69 | 69 | frameWidth := runewidth.StringWidth(stripansi.Strip(frame)) |
| 70 | 70 | |
| 71 | 71 | if width < frameWidth { |
| 72 | return | |
| 72 | return nil | |
| 73 | 73 | } |
| 74 | 74 | |
| 75 | var err error | |
| 76 | 75 | rest := width - frameWidth |
| 77 | 76 | switch s.position { |
| 78 | 77 | case positionLeft: |
| 83 | 82 | str := strings.Repeat(" ", rest/2) + frame + strings.Repeat(" ", rest/2+rest%2) |
| 84 | 83 | _, err = io.WriteString(w, str) |
| 85 | 84 | } |
| 86 | if err != nil { | |
| 87 | panic(err) | |
| 88 | } | |
| 89 | 85 | s.count++ |
| 86 | return err | |
| 90 | 87 | } |