feat: add server schema build & export (#1072)

* feat: add server schema build & export

* chore: add comment why bundle needed

Author: martyanovandrey

.gitignore

@@ -14,6 +14,7 @@ node_modules
 /styles/**/*.css
 /coverage
 /widget
+/schema
 
 *.tgz
 .env

package.json

@@ -24,7 +24,8 @@
       "import": "./server/index.js"
     },
     "./styles/*": "./styles/*",
-    "./widget/*": "./widget/*"
+    "./widget/*": "./widget/*",
+    "./schema/*": "./schema/*"
   },
   "main": "./build/cjs/index.js",
   "module": "./build/esm/index.js",
@@ -72,7 +73,8 @@
     "build:client": "gulp",
     "build:server": "rimraf server && tsc -p tsconfig.server.json && move-file server/server.js server/index.js && move-file server/server.d.ts server/index.d.ts",
     "build:widget": "webpack --config widget.webpack.js",
-    "build": "run-p build:client build:server build:widget",
+    "build:schema": "webpack --config schema.webpack.js",
+    "build": "run-p build:client build:server build:widget build:schema",
     "prepublishOnly": "npm run lint && npm run build",
     "prepare": "husky install",
     "test": "jest",

schema.webpack.js

@@ -0,0 +1,53 @@
+/* eslint-env node */
+// Schema generation has client dependencies, to run it on the node we bundle it.
+const path = require('path');
+
+const TerserPlugin = require('terser-webpack-plugin');
+
+const SRC_PATH = path.resolve('src');
+const SCHEMA_SRC_PATH = path.resolve(SRC_PATH, 'schema');
+const SCHEMA_RESULT_PATH = path.resolve(__dirname, 'schema');
+const SCHEMA_BUNDLE_FILENAME = 'index.js';
+
+module.exports = {
+    entry: path.resolve(SCHEMA_SRC_PATH, 'index.ts'),
+    output: {
+        path: SCHEMA_RESULT_PATH,
+        filename: SCHEMA_BUNDLE_FILENAME,
+        library: 'library',
+        libraryTarget: 'umd',
+    },
+    mode: 'production',
+    target: 'node',
+    module: {
+        rules: [
+            {
+                test: /\.[jt]sx?$/,
+                exclude: [/node_modules/],
+                use: {
+                    loader: 'babel-loader',
+                },
+            },
+            {
+                test: /\.css$/,
+                use: 'null-loader',
+            },
+        ],
+    },
+    resolve: {
+        extensions: ['.tsx', '.ts', '.js'],
+    },
+    optimization: {
+        minimize: true,
+        minimizer: [
+            new TerserPlugin({
+                extractComments: false,
+                terserOptions: {
+                    format: {
+                        comments: false,
+                    },
+                },
+            }),
+        ],
+    },
+};