From 47f52fea58fb540f7c736d555751de77b478f84a Mon Sep 17 00:00:00 2001
From: "Lucas F." <lucas@lucasf.dev>
Date: Sat, 24 Jan 2026 22:40:35 -0300
Subject: [PATCH] update: forloop variables

---
 src/renderer.zig | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/renderer.zig b/src/renderer.zig
index 5064dcb..c899961 100644
--- a/src/renderer.zig
+++ b/src/renderer.zig
@@ -21,8 +21,8 @@ pub const RenderError = error{
     Overflow,
     Unexpected,
     UnsupportedExpression,
-// } || FilterError || parser.ParserError || icons.SvgError || std.fs.File.OpenError;
-} || FilterError || parser.ParserError ||  std.fs.File.OpenError;
+    // } || FilterError || parser.ParserError || icons.SvgError || std.fs.File.OpenError;
+} || FilterError || parser.ParserError || std.fs.File.OpenError;
 
 pub const Renderer = struct {
     context: *Context,
@@ -230,11 +230,31 @@ pub const Renderer = struct {
                             else => return,
                         };
 
-                        for (list) |item| {
+                        for (list, 0..) |item, i| {
                             var ctx = Context.init(alloc);
                             defer ctx.deinit();
 
                             try ctx.set(node.tag.?.body.@"for".loop_var, item);
+                            try ctx.set("forloop.counter", i + 1);
+                            try ctx.set("forloop.counter0", i);
+                            try ctx.set("forloop.revcounter", (list.len - i));
+                            try ctx.set("forloop.revcounter0", (list.len - i) - 1);
+                            try ctx.set("forloop.first", i == 0);
+                            try ctx.set("forloop.last", i == (list.len - 1));
+                            try ctx.set("forloop.length", list.len);
+                            // forloop.counter
+                            // The current iteration of the loop (1-indexed)
+                            // forloop.counter0
+                            // The current iteration of the loop (0-indexed)
+                            // forloop.revcounter
+                            // The number of iterations from the end of the loop (1-indexed)
+                            // forloop.revcounter0
+                            // The number of iterations from the end of the loop (0-indexed)
+                            // forloop.first
+                            // True if this is the first time through the loop
+                            // forloop.last
+                            // True if this is the last time through the loop
+                            // forloop.length
 
                             for (node.tag.?.body.@"for".body) |child| {
                                 try self.renderNode(alloc, nodes, child, writer, &ctx, null);
@@ -381,7 +401,7 @@ pub const Renderer = struct {
                         const svg_kind = node.tag.?.body.svg.kind;
                         const svg_name = node.tag.?.body.svg.name;
 
-                        if (self.cache.icons.?.getIcon(alloc,svg_kind, svg_name)) |svg_content| {
+                        if (self.cache.icons.?.getIcon(alloc, svg_kind, svg_name)) |svg_content| {
                             try writer.writeAll("<div class=\"svg-container\">");
                             try writer.writeAll(svg_content);
                             try writer.writeAll("</div>");