z itslil/zod

Zod 4.4.3 · LilScript port · @itslil/zod

Zod,
compiled.

The zod@4.4.3 classic API, rewritten in LilScript. Internals can be mangled via config; only the public API stays named. Every size row is the same official v4 bundle, then Oxc or Terser, mangling on and off. LilScript rows compare closer-world (mangle on) and normal (mangle off).

npm install @itslil/zod
Playwright + Node npm ↗
Brotli-11 vs Vite 8 Oxc of official zod/v4 —

—classic tests passing
—gzip-9 vs Oxc
—raw vs Oxc
—Chromium parse vs official

Official rows are an esbuild bundle of zod@4.4.3 v4, then Oxc or Terser. LilScript rows compare closer-world (mangle on) and normal (mangle off). Sizes are lilscript-codec raw / gzip-9 / Brotli-11. Ratios are lane / Oxc closer-world (lower is smaller).

string ✦ number ✦ object ✦ array ✦ enum ✦ union ✦ optional ✦ coerce ✦ refine ✦ pipe ✦ lazy ✦ ZodError

Measured in Chromium and Node

Parse,
not inferred.

Same 48-object batch, 400 rounds per sample. Quiet median after discarding the first 3. Output must match official zod@4.4.3. Ratio is lane / official (lower is faster).

Lane Chromium vs official Node vs official

The compiled runtime, in the browser

Live
parse.

Left is JSON. Right is .parse() from @itslil/zod or official zod@4.4.3. Both must produce the same object. 


          

        

      


      

        

          

            

              
The receipts

              
Raw, gzip,
and Brotli.

            

            

              Official 4.4.3 v4, then Oxc and Terser with mangling on and off.
              LilScript is not post-minified. Closer-world mangles internals; normal does not.
              The public API stays named in both. Ratios are lane / official Oxc closer-world.
            

          


          

            
Brotli-11

            
The wire number. LilScript closer-world is the published core.

            

            

              

                
                  

                    Lane
                    Brotli-11
                    vs Oxc
                  

                
                
              

            

          


          

            
gzip-9

            
Same artifacts, gzip-9.

            

            

              

                
                  

                    Lane
                    gzip-9
                    vs Oxc
                  

                
                
              

            

          


          

            
Raw

            
Uncompressed bytes.

            

            

              

                
                  

                    Lane
                    Raw
                    vs Oxc
                  

                
                
              

            

          


          

            
All three

            
One row per lane, every codec, with the Brotli ratio against Oxc.

            

              

                
                  

                    Lane
                    Raw
                    gzip-9
                    Brotli-11
                    vs Oxc raw / gzip / Brotli
                  

                
                
              

            

          


          

            

              Why two LilScript lanes. Closer-world turns mangling on
              (lilscript.dev.toml). Normal turns it off
              (lilscript.nomangle.toml). public_aggregate_abi = "named"
              in both, so z.string().parse stays the developer API.
            

            README ↗
          

        

      


      

        
Zero runtime dependencies

        
Install the
current port.

        

          npm install @itslil/zod