add graph algorithm

2 files changed, 11 insertions, 4 deletions

diff --git a/pkg/gui/style/basic_styles.go b/pkg/gui/style/basic_styles.go
index 92b034f06..99db37e20 100644
--- a/pkg/gui/style/basic_styles.go
+++ b/pkg/gui/style/basic_styles.go
@@ -1,8 +1,9 @@
 package style
 
 import (
-	"github.com/gookit/color"
 	"text/template"
+
+	"github.com/gookit/color"
 )
 
 var (
@@ -16,6 +17,7 @@ var (
 	FgBlue         = FromBasicFg(color.FgBlue)
 	FgYellow       = FromBasicFg(color.FgYellow)
 	FgMagenta      = FromBasicFg(color.FgMagenta)
+	FgDefault      = FromBasicFg(color.FgDefault)
 
 	BgWhite   = FromBasicBg(color.BgWhite)
 	BgBlack   = FromBasicBg(color.BgBlack)
@@ -26,6 +28,9 @@ var (
 	BgMagenta = FromBasicBg(color.BgMagenta)
 	BgCyan    = FromBasicBg(color.BgCyan)
 
+	// will not print any colour escape codes, including the reset escape code
+	Nothing = New()
+
 	AttrUnderline = New().SetUnderline()
 	AttrBold      = New().SetBold()
 
diff --git a/pkg/gui/style/style_test.go b/pkg/gui/style/style_test.go
index cadd3c397..ecf316705 100644
--- a/pkg/gui/style/style_test.go
+++ b/pkg/gui/style/style_test.go
@@ -10,6 +10,11 @@ import (
 	"github.com/xo/terminfo"
 )
 
+func init() {
+	// on CI we've got no color capability so we're forcing it here
+	color.ForceSetColorLevel(terminfo.ColorLevelMillions)
+}
+
 func TestMerge(t *testing.T) {
 	type scenario struct {
 		name          string
@@ -18,9 +23,6 @@ func TestMerge(t *testing.T) {
 		expectedStr   string
 	}
 
-	// on CI we've got no color capability so we're forcing it here
-	color.ForceSetColorLevel(terminfo.ColorLevelMillions)
-
 	fgRed := color.FgRed
 	bgRed := color.BgRed
 	fgBlue := color.FgBlue