feat(charmbracelet#58): write to stdout if not tty

AlejandroSuero · Jun 3, 2024 · c00a827 · c00a827
1 parent fc03c0d
commit c00a827
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/main.go b/main.go
@@ -409,7 +409,9 @@ func main() {
 		if svgConversionErr != nil {
 			printErrorFatal("Unable to convert SVG to PNG", svgConversionErr)
 		}
-		printFilenameOutput(config.Output)
+		if istty {
+			printFilenameOutput(config.Output)
+		}
 
 	default:
 		// output file specified.

diff --git a/png.go b/png.go
@@ -9,8 +9,11 @@ import (
 	"github.com/beevik/etree"
 	"github.com/charmbracelet/freeze/font"
 	"github.com/kanrichan/resvg-go"
+	"github.com/mattn/go-isatty"
 )
 
+var istty = isatty.IsTerminal(os.Stdout.Fd())
+
 func libsvgConvert(doc *etree.Document, w, h float64, output string) error {
 	_, err := exec.LookPath("rsvg-convert")
 	if err != nil {
@@ -27,6 +30,9 @@ func libsvgConvert(doc *etree.Document, w, h float64, output string) error {
 	rsvgConvert := exec.Command("rsvg-convert", "-o", output)
 	rsvgConvert.Stdin = bytes.NewReader(svg)
 	err = rsvgConvert.Run()
+	if !istty {
+		_, err = doc.WriteTo(os.Stdout)
+	}
 	return err
 }
 
@@ -94,5 +100,8 @@ func resvgConvert(doc *etree.Document, w, h float64, output string) error {
 	if err != nil {
 		return err
 	}
+	if !istty {
+		_, err = doc.WriteTo(os.Stdout)
+	}
 	return err
 }