From d20900446be9506c189a7a8912d229e0f5690aa7 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Fri, 13 Aug 2021 23:07:25 -0700
Subject: [PATCH] properly close void and non-void html tags

---
 src/lib.zig | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/lib.zig b/src/lib.zig
index 6745d48ec33f9cc399f0674e863b11a06ebed92c..356072a6b304798e927b2e131f389865033db16c 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -39,7 +39,11 @@ fn do(writer: anytype, comptime value: astgen.Value, data: anytype, ctx: anytype
             }
 
             if (v.children.len == 0) {
-                try writer.writeAll(" />\n");
+                if (contains(std.meta.fieldNames(HtmlVoidElements), v.name)) {
+                    try writer.writeAll(" />\n");
+                } else {
+                    try writer.print("></{s}>\n", .{v.name});
+                }
             } else {
                 try writer.writeAll(">");
 
@@ -179,3 +183,29 @@ fn entityLookupBefore(in: []const u8) ?htmlentities.Entity {
 fn assertEqual(comptime a: usize, comptime b: usize) void {
     if (a != b) @compileError(std.fmt.comptimePrint("{d} != {d}", .{ a, b }));
 }
+
+const HtmlVoidElements = enum {
+    area,
+    base,
+    br,
+    col,
+    embed,
+    hr,
+    img,
+    input,
+    link,
+    meta,
+    param,
+    source,
+    track,
+    wbr,
+};
+
+fn contains(haystack: []const []const u8, needle: []const u8) bool {
+    for (haystack) |v| {
+        if (std.mem.eql(u8, v, needle)) {
+            return true;
+        }
+    }
+    return false;
+}
-- 
2.54.0