Move grpc-js xDS features into a separate package

packages/grpc-js-xds/.eslintrc.json

@@ -0,0 +1,3 @@
+{
+  "extends": "./node_modules/gts/"
+}

packages/grpc-js-xds/.prettierrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+  ...require('gts/.prettierrc.json')
+}

packages/grpc-js-xds/package.json

@@ -0,0 +1,41 @@
+{
+  "name": "@grpc/grpc-js-xds",
+  "version": "1.0.0",
+  "description": "Plugin for @grpc/grpc-js. Adds the xds:// URL scheme and associated features.",
+  "main": "build/src/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "check": "gts check",
+    "clean": "gts clean",
+    "compile": "tsc",
+    "fix": "gts fix",
+    "prepare": "npm run compile",
+    "pretest": "npm run compile",
+    "posttest": "npm run check"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/grpc/grpc-node.git"
+  },
+  "keywords": [
+    "grpc"
+  ],
+  "author": {
+    "name": "Google Inc."
+  },
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/grpc/grpc-node/issues"
+  },
+  "homepage": "https://github.com/grpc/grpc-node#readme",
+  "devDependencies": {
+    "gts": "^2.0.2",
+    "typescript": "^3.8.3",
+    "@types/node": "^13.11.1",
+    "yargs": "^15.4.1"
+  },
+  "dependencies": {
+    "@grpc/proto-loader": "^0.6.0-pre14",
+    "google-auth-library": "^6.1.1"
+  }
+}

packages/grpc-js-xds/src/index.ts

@@ -0,0 +1,24 @@
+console.log('Try npm run check/fix!');
+
+const longString =
+  'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer ut aliquet diam.';
+
+const trailing = 'Semicolon';
+
+const why = 'am I tabbed?';
+
+export function doSomeStuff(
+  withThis: string,
+  andThat: string,
+  andThose: string[]
+) {
+  //function on one line
+  if (!andThose.length) {
+    return false;
+  }
+  console.log(withThis);
+  console.log(andThat);
+  console.dir(andThose);
+  return;
+}
+// TODO: more examples

packages/grpc-js-xds/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "./node_modules/gts/tsconfig-google.json",
+  "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "build"
+  },
+  "include": [
+    "src/**/*.ts",
+    "test/**/*.ts"
+  ]
+}

packages/grpc-js/package.json

@@ -58,9 +58,7 @@
     "posttest": "npm run check"
   },
   "dependencies": {
-    "@grpc/proto-loader": "^0.6.0-pre14",
     "@types/node": "^12.12.47",
-    "google-auth-library": "^5.10.1",
     "semver": "^6.2.0"
   },
   "files": [