begin integration of recursive zlib compression.

lib/fileproc.luau

@@ -2,7 +2,7 @@
 local fs = require("@lune/fs")
 local stdio = require("@lune/stdio")
 local process = require("@lune/process")
-local _serde = require("@lune/serde")
+local serde = require("@lune/serde")
 local core = require("./core")
 local types = require("./types")
 
@@ -92,7 +92,21 @@ end
 -- if recursive param is true repeatedly zlib decompress the file until it fails
 -- (modelscrape files are often double/triple zlib decompressed)
 function fileproc.zlibDecompress(contents: string, recursive: boolean?): string | boolean
-    error("fileproc.zlibDecompress is not implemented.")
+    assert(typeof(contents) == "string", "Expected contents to be of type 'string'")
+    if recursive == nil then recursive = false end
+    assert(typeof(recursive) == "boolean", "Expected recursive to be of type 'boolean'")
+    local success, decompressed = pcall(function() return serde.decompress("zlib", contents) end)
+    if not success then
+        return false
+    end
+    if recursive then
+        local nextDecompressed = fileproc.zlibDecompress(decompressed, true)
+        while nextDecompressed do
+            decompressed = nextDecompressed
+            nextDecompressed = fileproc.zlibDecompress(decompressed, true)
+        end
+    end
+    return decompressed
 end
 
 return fileproc