Node.js: improving and test packaging.

The patch removes the "files" section from package.json to avoid future issues
with missing files.  For package testing purposes, 'npm pack' is used instead
of plain 'tar' to simulate packaging more accurately.

auto/modules/nodejs

@@ -157,6 +157,7 @@ ${NXT_NODE}-copy: ${NXT_NODE_VERSION_FILE} ${NXT_NODE_PACKAGE_FILE}
 	mkdir -p ${NXT_NODE_TMP}
 	cp -rp src/nodejs/unit-http/* ${NXT_NODE_TMP}/
 	cp -p ${NXT_NODE_VERSION_FILE} ${NXT_NODE_PACKAGE_FILE} ${NXT_NODE_TMP}/
+	rm -f ${NXT_NODE_TMP}/binding_pub.gyp
 
 ${NXT_NODE}-copy-g: ${NXT_NODE_VERSION_FILE} ${NXT_NODE_PACKAGE_FILE}
 	mkdir -p ${NXT_NODE_TMP_G}
@@ -174,10 +175,12 @@ ${NXT_NODE_PACKAGE_FILE}: ${NXT_VERSION_H} src/nodejs/unit-http/package.json
 		src/nodejs/unit-http/package.json > ${NXT_NODE_PACKAGE_FILE}
 
 ${NXT_NODE_TARBALL}: ${NXT_NODE}-copy
-	tar -zcvf ${NXT_NODE_TARBALL} -C ${NXT_NODE_TMP} .
+	cd ${NXT_NODE_TMP} && npm pack
+	mv ${NXT_NODE_TMP}/unit-http-\$(NXT_VERSION).tgz ${NXT_NODE_TARBALL}
 
 ${NXT_NODE_TARBALL_G}: ${NXT_NODE}-copy-g
-	tar -zcvf ${NXT_NODE_TARBALL_G} -C ${NXT_NODE_TMP_G} .
+	cd ${NXT_NODE_TMP_G} && npm pack
+	mv ${NXT_NODE_TMP_G}/unit-http-\$(NXT_VERSION).tgz ${NXT_NODE_TARBALL_G}
 
 
 install: ${NXT_NODE}-$NXT_NODE_INSTALL

src/nodejs/unit-http/package.json

@@ -3,28 +3,6 @@
     "version": "%%VERSION%%",
     "description": "HTTP module for NGINX Unit",
     "main": "http.js",
-    "files": [
-        "unit.h",
-        "version.h",
-        "addon.cpp",
-        "unit.cpp",
-        "http.js",
-        "http_server.js",
-        "loader.js",
-        "loader.mjs",
-        "nxt_napi.h",
-        "package.json",
-        "socket.js",
-        "binding.gyp",
-        "README.md",
-        "websocket.js",
-        "websocket_connection.js",
-        "websocket_frame.js",
-        "websocket_request.js",
-        "websocket_router.js",
-        "websocket_router_request.js",
-        "websocket_server.js"
-    ],
     "scripts": {
         "clean": "node-gyp clean",
         "configure": "node-gyp configure",