From aafff194f984bd769732c180db2d885b8126588f Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 25 Jun 2023 09:19:43 -0700
Subject: [PATCH] terminal: SGR parse invisible (attr 8, 28)

---
 src/terminal/sgr.zig | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/terminal/sgr.zig b/src/terminal/sgr.zig
index 865518b8e..2f127b017 100644
--- a/src/terminal/sgr.zig
+++ b/src/terminal/sgr.zig
@@ -1,4 +1,4 @@
-//! SGR (Select Graphic Rendition) attribute parsing and types.
+//! SGR (Select Graphic Rendition) attrinvbute parsing and types.
 
 const std = @import("std");
 const testing = std.testing;
@@ -44,6 +44,10 @@ pub const Attribute = union(enum) {
     inverse: void,
     reset_inverse: void,
 
+    /// Invisible
+    invisible: void,
+    reset_invisible: void,
+
     /// Strikethrough the text.
     strikethrough: void,
     reset_strikethrough: void,
@@ -163,6 +167,8 @@ pub const Parser = struct {
 
             7 => return Attribute{ .inverse = {} },
 
+            8 => return Attribute{ .invisible = {} },
+
             9 => return Attribute{ .strikethrough = {} },
 
             22 => return Attribute{ .reset_bold = {} },
@@ -175,6 +181,8 @@ pub const Parser = struct {
 
             27 => return Attribute{ .reset_inverse = {} },
 
+            28 => return Attribute{ .reset_invisible = {} },
+
             29 => return Attribute{ .reset_strikethrough = {} },
 
             30...37 => return Attribute{
@@ -499,3 +507,9 @@ test "sgr: reset underline color" {
     var p: Parser = .{ .params = &[_]u16{59} };
     try testing.expect(p.next().? == .reset_underline_color);
 }
+
+test "sgr: invisible" {
+    var p: Parser = .{ .params = &[_]u16{ 8, 28 } };
+    try testing.expect(p.next().? == .invisible);
+    try testing.expect(p.next().? == .reset_invisible);
+}