switch to go-term-text to fix bad underflow for label rendering

1 files changed, 24 insertions, 0 deletions

diff --git a/vendor/github.com/MichaelMure/go-term-text/truncate.go b/vendor/github.com/MichaelMure/go-term-text/truncate.go
new file mode 100644
index 00000000..b51bb39e
--- /dev/null
+++ b/vendor/github.com/MichaelMure/go-term-text/truncate.go
@@ -0,0 +1,24 @@
+package text
+
+import "github.com/mattn/go-runewidth"
+
+// TruncateMax truncate a line if its length is greater
+// than the given length. Otherwise, the line is returned
+// as is. If truncating occur, an ellipsis is inserted at
+// the end.
+// Handle properly terminal color escape code
+func TruncateMax(line string, length int) string {
+	if length <= 0 {
+		return "…"
+	}
+
+	l := Len(line)
+	if l <= length || l == 0 {
+		return line
+	}
+
+	cleaned, escapes := ExtractTermEscapes(line)
+	truncated := runewidth.Truncate(cleaned, length-1, "")
+
+	return ApplyTermEscapes(truncated, escapes) + "…"
+}