feat: add Makefile for consistent behavior across samples (#3563)

* feat: add Makefile for consistent behavior across samples

* fix default directory detection

* update lint action per discussion with Patti.

* fix project id env var name to match proposal

* fix lint error in unrelated sample

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Patti Shin <pattishin@users.noreply.github.com>

Makefile

@@ -0,0 +1,36 @@
+# Makefile for running typical developer workflow actions.
+# To run actions in a subdirectory of the repo:
+#   make lint build dir=translate/snippets
+
+INTERFACE_ACTIONS="build test lint"
+
+.ONESHELL: #ease subdirectory work by using the same subshell for all commands
+.-PHONY: *
+
+# Default to current dir if not specified.
+dir ?= $(shell pwd)
+
+export GOOGLE_CLOUD_PROJECT = ${GOOGLE_SAMPLES_PROJECT}
+
+build:
+	cd ${dir}
+	npm install
+	npm run build --if-present
+
+test: check-env build
+	cd ${dir}
+	npm test
+
+lint:
+	cd ${dir}
+	npx gts fix
+	npx gts lint
+
+check-env:
+ifndef GOOGLE_SAMPLES_PROJECT
+	$(error GOOGLE_SAMPLES_PROJECT environment variable is required to perform this action)
+endif
+
+list-actions:
+	@ echo ${INTERFACE_ACTIONS}
+

package.json

@@ -27,10 +27,11 @@
     "gts": "^5.0.1",
     "mocha": "^10.2.0",
     "nunjucks": "^3.2.4",
-    "prettier": "^3.0.0",
+    "prettier": "^3.0.3",
     "typescript": "^5.0.4"
   },
   "dependencies": {
-    "commander": "^11.0.0"
+    "commander": "^11.0.0",
+    "eslint": "^8.53.0"
   }
 }