From ceb079732d6373051b713483abc0351e42ce60ac Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Thu, 12 Feb 2026 21:44:20 +0000
Subject: [PATCH] Convert Jinja2 replace() filter syntax to Tera named
 arguments

Jinja2 uses positional args: replace('-', '_')
Tera uses named args: replace(from="-", to="_")

Added conversion in preprocess_jinja2_compat() to handle this
automatically for IQL templates.

https://claude.ai/code/session_01ShAyjRLWBYC3tPsusCxggv
---
 src/core/templating.rs | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/core/templating.rs b/src/core/templating.rs
index b69b4b0..6a72390 100644
--- a/src/core/templating.rs
+++ b/src/core/templating.rs
@@ -233,12 +233,25 @@ fn split_dict_entries(s: &str) -> Vec<String> {
 }
 
 /// Pre-process Jinja2-specific syntax into Tera-compatible equivalents.
-/// Currently handles:
-/// - `{{ uuid() }}` -> `{{ uuid }}` (Jinja2 function call to Tera variable)
+/// Handles:
+/// - `{{ uuid() }}` -> `{{ uuid }}` (function call to variable)
+/// - `replace('x', 'y')` -> `replace(from="x", to="y")` (positional to named args)
 fn preprocess_jinja2_compat(template: &str) -> String {
+    let mut result = template.to_string();
+
     // Convert {{ uuid() }} to {{ uuid }}
-    let re = Regex::new(r"\{\{\s*uuid\(\)\s*\}\}").unwrap();
-    re.replace_all(template, "{{ uuid }}").to_string()
+    let uuid_re = Regex::new(r"\{\{\s*uuid\(\)\s*\}\}").unwrap();
+    result = uuid_re.replace_all(&result, "{{ uuid }}").to_string();
+
+    // Convert Jinja2 replace('from', 'to') to Tera replace(from="from", to="to")
+    // Matches: replace('x', 'y') or replace("x", "y") with any quoting combo
+    let replace_re =
+        Regex::new(r#"replace\(\s*['"]([^'"]*)['"]\s*,\s*['"]([^'"]*)['"]\s*\)"#).unwrap();
+    result = replace_re
+        .replace_all(&result, r#"replace(from="$1", to="$2")"#)
+        .to_string();
+
+    result
 }
 
 /// Render a single query template with the given context.