src: add JSON Schema validation for node.config.json

Add ata (v0.8.0) as a bundled dependency for JSON Schema Draft
2020-12 validation. Config files are now validated against a
generated schema before option parsing, providing clear type
error messages to users.

- deps: add ata v0.8.0 JSON Schema validator
- src: validate config after simdjson parse, before option loop
- build: add shared library support and nix fileset for ata
- test: add schema validation and process.versions.ata tests

Author: mertcanaltin

LICENSE

@@ -76,6 +76,31 @@ The externally maintained libraries used by Node.js are:
     THE SOFTWARE.
   """
 
+- ata, located at deps/ata, is licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2026 Mert Can Altin
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
+
 - c-ares, located at deps/cares, is licensed as follows:
   """
     MIT License

configure.py

@@ -561,6 +561,28 @@
     help='a directory to search for the shared simdjson DLL')
 
 
+shared_optgroup.add_argument('--shared-ata',
+    action='store_true',
+    dest='shared_ata',
+    default=None,
+    help='link to a shared ata DLL instead of static linking')
+
+shared_optgroup.add_argument('--shared-ata-includes',
+    action='store',
+    dest='shared_ata_includes',
+    help='directory containing ata header files')
+
+shared_optgroup.add_argument('--shared-ata-libname',
+    action='store',
+    dest='shared_ata_libname',
+    default='ata',
+    help='alternative lib name to link to [default: %(default)s]')
+
+shared_optgroup.add_argument('--shared-ata-libpath',
+    action='store',
+    dest='shared_ata_libpath',
+    help='a directory to search for the shared ata DLL')
+
 shared_optgroup.add_argument('--shared-simdutf',
     action='store_true',
     dest='shared_simdutf',
@@ -2791,6 +2813,7 @@ def make_bin_override():
 configure_library('libuv', output)
 configure_library('ada', output)
 configure_library('simdjson', output)
+configure_library('ata', output)
 configure_library('simdutf', output)
 configure_library('brotli', output, pkgname=['libbrotlidec', 'libbrotlienc'])
 configure_library('cares', output, pkgname='libcares')

deps/ata/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Mert Can Altin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.