build: install dependencies directly from the repo

docker/owlbot/nodejs/Dockerfile

@@ -17,7 +17,6 @@
 # build from the root of this repo:
 # docker build -t gcr.io/repo-automation-bots/owlbot-nodejs -f docker/owlbot/nodejs/Dockerfile .
 FROM python:3.10.12-bookworm
-
 WORKDIR /
 
 ###################### Install nodejs.
@@ -46,11 +45,7 @@ COPY post-processor-changes.txt /post-processor-changes.txt
 RUN find /synthtool -exec chmod a+r {} \;
 RUN find /synthtool -type d -exec chmod a+x {} \;
 
-# Install dependencies used for post processing:
-# * gts/typescript are used for linting.
-# * google-gax and gapic-tools are used for compiling protos.
-RUN cd /synthtool && mkdir node_modules && npm i gts@5.0.0 google-gax@4.0.3 \
-    typescript@5.1.6 @google-cloud/typeless-sample-bot@1.3.3 gapic-tools@0.1.8
+RUN cd /synthtool && mkdir node_modules && npm install @google-cloud/typeless-sample-bot@1.3.3
 
 ENTRYPOINT [ "/bin/bash" ]
 CMD [ "/synthtool/docker/owlbot/nodejs/entrypoint.sh" ]

docker/owlbot/nodejs/entrypoint.sh

@@ -15,6 +15,8 @@
 
 set -ex
 
+npm i --only=dev --ignore-scripts
+
 if [ -f owlbot.py ]; then
     python owlbot.py
 else

synthtool/languages/node.py

@@ -220,13 +220,13 @@ def fix_hermetic(hide_output=False):
     """
     logger.debug("Copy eslint config")
     shell.run(
-        ["cp", "-r", f"{_TOOLS_DIRECTORY}/node_modules", "."],
+        ["cp", "-r", "/node_modules", "."],
         check=True,
         hide_output=hide_output,
     )
     logger.debug("Running fix...")
     shell.run(
-        [f"{_TOOLS_DIRECTORY}/node_modules/.bin/gts", "fix"],
+        ["/node_modules/.bin/gts", "fix"],
         check=False,
         hide_output=hide_output,
     )
@@ -249,7 +249,7 @@ def compile_protos_hermetic(hide_output=False):
     """
     logger.debug("Compiling protos...")
     shell.run(
-        [f"{_TOOLS_DIRECTORY}/node_modules/.bin/compileProtos", "src"],
+        ["/node_modules/.bin/compileProtos", "src"],
         check=True,
         hide_output=hide_output,
     )