Features for framework authors, SSG/SSR builders, and power users who need to go beyond standard template rendering.
Extract dependency paths, validate contexts, and plan caching strategies.
Use thek() and r()tag functions for safe interpolation.
Understand and tune the compilation pipeline.
Optimal worker counts, template scheduling, and environment detection.
Protect against XSS in JavaScript, CSS, and URL contexts.
Track block timings, macro calls, includes, and filter usage.
Cache site-scoped blocks for 40-60% faster builds.
Uselet:bindings on slots for data-driven component APIs.
Use{% push %} and {% stack %}for deferred CSS, JS, and meta tags.
Limit attribute access, function calls, and imports.
Auto-inject nonces into<script> and <style>tags.
Track which blocks, branches, and filters execute.
Catch missing variables and type mismatches before rendering.
Detect missing alt text, form labels, and ARIA attributes.
Normalize indentation, whitespace, and tag style.