init

Signed-off-by: Hadi <[email protected]>

internal/util/util.go

@@ -0,0 +1,58 @@
+package util
+
+import (
+	"strings"
+
+	"charm.land/bubbles/v2/paginator"
+	"charm.land/lipgloss/v2"
+)
+
+func Truncate(s string, max int) string {
+	if len(s) <= max {
+		return s
+	}
+	return s[:max-1] + "…"
+}
+
+// EmptyState renders centered placeholder lines, word-wrapping to fit maxW.
+func EmptyState(maxW int, lines ...string) string {
+	return lipgloss.NewStyle().
+		Width(maxW).
+		AlignHorizontal(lipgloss.Center).
+		Render(strings.Join(lines, "\n"))
+}
+
+// CenterLines centers each line horizontally relative to the longest one.
+func CenterLines(lines ...string) string {
+	maxWidth := 0
+	for _, l := range lines {
+		if w := lipgloss.Width(l); w > maxWidth {
+			maxWidth = w
+		}
+	}
+	centered := make([]string, len(lines))
+	for i, l := range lines {
+		centered[i] = lipgloss.PlaceHorizontal(maxWidth, lipgloss.Center, l)
+	}
+	return strings.Join(centered, "\n")
+}
+
+// PageBounds returns clamped start/end indices for rendering a paginated list.
+func PageBounds(p paginator.Model, total int) (start, end int) {
+	start, end = p.GetSliceBounds(total)
+	if start < 0 {
+		start = 0
+	}
+	if end < start {
+		end = start
+	}
+	return
+}
+
+// InferScheme returns "http" for port 80, "https" otherwise.
+func InferScheme(host string) string {
+	if strings.HasSuffix(host, ":80") {
+		return "http"
+	}
+	return "https"
+}