From d2ebb8cf2c5f0fccdd703cc64b9f8cecfb539bf9 Mon Sep 17 00:00:00 2001 From: Paul Buetow Date: Tue, 10 Mar 2026 07:52:33 +0200 Subject: tui/flamegraph: tighten arrow escape parsing (task 423) --- internal/tui/flamegraph/model.go | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'internal/tui/flamegraph/model.go') diff --git a/internal/tui/flamegraph/model.go b/internal/tui/flamegraph/model.go index 2238ba0..a7b26f8 100644 --- a/internal/tui/flamegraph/model.go +++ b/internal/tui/flamegraph/model.go @@ -968,14 +968,18 @@ func keyMatchesDirection(keyName, plain string, ansiFinal byte) bool { } func isArrowEscapeSequence(value string, ansiFinal byte) bool { - if len(value) < 3 || value[0] != '\x1b' { + body, ok := strings.CutPrefix(value, "\x1b") + if !ok || len(body) < 2 { return false } - last := value[len(value)-1] - if last != ansiFinal { + switch body[0] { + case '[': + return body[len(body)-1] == ansiFinal + case 'O': + return len(body) == 2 && body[1] == ansiFinal + default: return false } - return value[1] == '[' || value[1] == 'O' } func (m Model) visibleRowOffset() int { -- cgit v1.2.3