grpc-js-xds: use local proto-loader, build proto-loader in interop Dockerfile

Author: murgatroid99

packages/grpc-js-xds/interop/Dockerfile

@@ -22,6 +22,8 @@ FROM node:18-slim as build
 WORKDIR /node/src/grpc-node
 COPY . .
 
+WORKDIR /node/src/grpc-node/packages/proto-loader
+RUN npm install
 WORKDIR /node/src/grpc-node/packages/grpc-js
 RUN npm install
 WORKDIR /node/src/grpc-node/packages/grpc-js-xds

packages/grpc-js-xds/package.json

@@ -33,6 +33,7 @@
   "homepage": "https://github.com/grpc/grpc-node#readme",
   "devDependencies": {
     "@grpc/grpc-js": "file:../grpc-js",
+    "@grpc/proto-loader": "file:../proto-loader",
     "@types/gulp": "^4.0.6",
     "@types/gulp-mocha": "0.0.32",
     "@types/mocha": "^5.2.6",