From bb898ba0a8a9ac63086508bc9a6067986fc98c27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Lemaire?= <michael@thunderk.net>
Date: Sun, 5 Sep 2021 18:40:20 +0200
Subject: [PATCH] Add ansi reset at uninit

---
 TODO.md      | 3 ++-
 ansi.test.ts | 2 +-
 ansi.ts      | 3 +++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/TODO.md b/TODO.md
index 9d295e5..80c7579 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,7 +2,8 @@
 
 - Add click events for ansi display
 - Fix resizing on web_div display
-- Prevent ctrl+c on web display
+- Ignore ctrl+c on web display (generally speaking, on displays that does not
+  support proper 'quit')
 - Optimize drawing to display, by allowing sequences of characters with the same
   colors (if supported by the display)
 - Restore ansi terminal properly after exit (ctrl+c does not work anymore, for
diff --git a/ansi.test.ts b/ansi.test.ts
index ef8bcd6..41c321f 100644
--- a/ansi.test.ts
+++ b/ansi.test.ts
@@ -18,7 +18,7 @@ describe(AnsiTerminalDisplay, () => {
     await display.init();
     checkSequence(stdout, "![2J");
     await display.uninit();
-    checkSequence(stdout, "![2J![2J");
+    checkSequence(stdout, "![2J![2J![?25h!c");
   });
 
   it("writes truecolor characters", async () => {
diff --git a/ansi.ts b/ansi.ts
index 9877493..ec3d3a2 100644
--- a/ansi.ts
+++ b/ansi.ts
@@ -34,6 +34,8 @@ export class AnsiTerminalDisplay extends Display {
 
   async uninit(): Promise<void> {
     await this.writer.write(CLEAR);
+    await this.setCursorVisibility(true);
+    await this.writer.write(RESET);
   }
 
   async flush(): Promise<void> {
@@ -182,6 +184,7 @@ function get256Colors(): readonly Color[] {
 }
 
 const CLEAR = escape("[2J");
+const RESET = escape("c");
 
 /**
  * Check if a reader will be compatible with raw mode