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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package colorize | ||
|
|
||
| import ( | ||
| "io" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "github.com/fatih/color" | ||
| "github.com/goccy/go-yaml/lexer" | ||
| "github.com/goccy/go-yaml/printer" | ||
| "github.com/mattn/go-isatty" | ||
| ) | ||
|
|
||
| const escape = "\x1b" | ||
|
|
||
| func format(attr color.Attribute) string { | ||
| return escape + "[" + strconv.Itoa(int(attr)) + "m" | ||
| } | ||
|
|
||
| func shouldColor(w io.Writer) bool { | ||
| if os.Getenv("NO_COLOR") != "" || os.Getenv("TERM") == "dumb" { | ||
| return false | ||
| } | ||
| if f, ok := w.(*os.File); ok { | ||
| return isatty.IsTerminal(f.Fd()) || isatty.IsCygwinTerminal(f.Fd()) | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func WriteString(w io.Writer, s string) error { | ||
| if shouldColor(w) { | ||
| s = Colorize(s) | ||
| } | ||
|
|
||
| _, err := io.WriteString(w, s) | ||
| return err | ||
| } | ||
|
|
||
| func Colorize(s string) string { | ||
| // https://github.com/mikefarah/yq/blob/v4.43.1/pkg/yqlib/color_print.go | ||
| tokens := lexer.Tokenize(s) | ||
| var p printer.Printer | ||
| p.Bool = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgHiMagenta), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| p.Number = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgHiMagenta), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| p.MapKey = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgCyan), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| p.Anchor = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgHiYellow), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| p.Alias = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgHiYellow), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| p.String = func() *printer.Property { | ||
| return &printer.Property{ | ||
| Prefix: format(color.FgGreen), | ||
| Suffix: format(color.Reset), | ||
| } | ||
| } | ||
| s = p.PrintTokens(tokens) | ||
| if !strings.HasSuffix(s, "\n") { | ||
| return s + "\n" | ||
| } | ||
| return s | ||
| } |