Add DevTools ext. node_modules to Circle CI cache

Author: Brian Vaughn

.circleci/config.yml

@@ -18,6 +18,12 @@ aliases:
       keys:
         - v2-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}-{{ checksum "workspace_info.txt" }}-node-modules
 
+  - &restore_devtools_node_modules
+    restore_cache:
+      name: Restore DevTools node_modules cache
+      keys:
+        - v2-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}-{{ checksum "workspace_info.txt" }}-devotols-node-modules
+
   - &TEST_PARALLELISM 20
 
   - &attach_workspace
@@ -65,6 +71,14 @@ jobs:
           key: v2-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}-{{ checksum "workspace_info.txt" }}-node-modules
           paths:
             - node_modules
+      - save_cache:
+          # Store node_modules for all jobs in this workflow so that they don't
+          # need to each run a yarn install for each job. This will speed up
+          # all jobs run on this branch with the same lockfile.
+          name: Save node_modules cache
+          # This cache key is per branch, a yarn install in setup is required.
+          key: v2-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}-{{ checksum "workspace_info.txt" }}-devotols-node-modules
+          paths:
             - packages/react-devtools-extensions/node_modules
 
   yarn_lint:
@@ -75,6 +89,7 @@ jobs:
       - checkout
       - run: yarn workspaces info | head -n -1 > workspace_info.txt
       - *restore_node_modules
+      - *restore_devtools_node_modules
       - run: node ./scripts/prettier/index
       - run: node ./scripts/tasks/eslint
       - run: ./scripts/circleci/check_license.sh
@@ -218,6 +233,7 @@ jobs:
       - run: yarn workspaces info | head -n -1 > workspace_info.txt
       - *restore_yarn_cache
       - *restore_node_modules
+      - *restore_devtools_node_modules
       - run:
           name: Install Packages
           command: yarn --frozen-lockfile --cache-folder ~/.cache/yarn