NodeJS bindings

.gitignore

@@ -13,7 +13,6 @@ doc/
 inc/blst.h*
 inc/blst_aux.h*
 .vscode/
-*.json
 .clang-format
 *bindings/*/*.so
 *bindings/csharp/*.exe

bindings/node.js/.gitignore

@@ -0,0 +1,3 @@
+build
+*.node
+node_modules

bindings/node.js/.prettierignore

@@ -0,0 +1,2 @@
+# Ignore artifacts:
+build

bindings/node.js/.prettierrc.json

@@ -0,0 +1,8 @@
+{
+  "overrides": [
+    {
+      "files": "binding.gyp",
+      "options": { "parser": "json" }
+    }
+  ]
+}

bindings/node.js/Makefile

@@ -0,0 +1,11 @@
+clean:
+	yarn clean
+	rm -rf build
+	rm -f *.node
+	rm -f *.a
+	rm -f *.o
+
+build: kzg.cxx Makefile
+	cd ../../src; make lib
+	yarn build
+	cp build/Release/kzg.node .

bindings/node.js/README.md

@@ -0,0 +1,19 @@
+This directory contains the code necessary to generate NodeJS bindings for C-KZG.
+
+First, install:
+
+```
+yarn install
+```
+
+Then build
+
+```
+make build
+```
+
+Run the TypeScript tests
+
+```
+yarn test
+```

bindings/node.js/babel.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ["@babel/preset-env", { targets: { node: "current" } }],
+    "@babel/preset-typescript",
+  ],
+};

bindings/node.js/binding.gyp

@@ -0,0 +1,27 @@
+{
+  "targets": [
+    {
+      "target_name": "kzg",
+      "cflags!": ["-fno-exceptions"],
+      "cflags_cc!": ["-fno-exceptions"],
+      "xcode_settings": {
+        "GCC_ENABLE_CPP_EXCEPTIONS": "YES",
+        "CLANG_CXX_LIBRARY": "libc++",
+        "MACOSX_DEPLOYMENT_TARGET": "13.0"
+      },
+      "sources": ["kzg.cxx"],
+      "include_dirs": [
+        "../../inc",
+        "../../src",
+        "<!@(node -p \"require('node-addon-api').include\")"
+      ],
+      "libraries": [
+        "<(module_root_dir)/c_kzg_4844.o",
+        "<(module_root_dir)/sha256.o",
+        "<(module_root_dir)/../../lib/libblst.a"
+      ],
+      "dependencies": ["<!(node -p \"require('node-addon-api').gyp\")"],
+      "defines": ["NAPI_DISABLE_CPP_EXCEPTIONS"]
+    }
+  ]
+}

bindings/node.js/jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+};