GoKawiilDeveloper releases Zig HTML templating library built on compile-time type checks
A developer who has worked across PHP, Python and Perl web stacks describes building a templating system for the Zig programming language, aimed at generating HTML without runtime errors or memory leaks. The approach uses Zig's compile-time features and arena allocators to check template inputs at compile time, auto-escape output to prevent XSS, and write directly to a writer without extra allocations. The project follows the author's earlier Zig libraries zio and Dusty, and was inspired after encountering an existing project called Ziex.
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The project suggests Zig, typically associated with systems programming, could become viable for web backends if tooling addresses traditionally weak spots like templating and safe HTML escaping. By pushing error-checking to compile time, the approach could reduce a common class of runtime bugs and security issues like XSS that plague dynamic-language templating systems. This reflects a broader interest among some developers in using performance-oriented, low-level languages for tasks usually handled by higher-level frameworks.
- The author built a type-safe HTML templating approach for the Zig language, checked entirely at compile time.
- The design avoids runtime allocations by writing output directly to a writer and auto-escapes inputs to guard against XSS.
- The work builds on the author's earlier Zig libraries zio and Dusty, and was influenced by an existing project called Ziex.
Source: lalinsky.com — Lukáš Lalinský, 2026-10-12
Published there as: “Type-safe HTML templating in Zig”
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