unittest

things/npm/.gitlab-ci.yml

 stages:
+  - install
   - build
   - deploy
 
 variables:
   GIT_DEPTH: "1"
 
-build:
-  stage: build
+npm_ci:
+  stage: install
   tags:
     - linux
   script:
     - npm ci
+  artifacts:
+    paths:
+      - node_modules
+
+.build_base:
+  stage: build
+  tags:
+    - linux
+  dependencies:
+    - npm_ci
+
+build:
+  extends:
+    - .build_base
+  script:
     - npm run build
   artifacts:
     paths:
       - dist/
 
+unit-test:
+  extends:
+    - .build_base
+  script:
+    - npm run test
+
 deploy_npm:
   stage: deploy
   dependencies:
@@ -27,4 +49,4 @@ deploy_npm:
     - echo $NPMRC | base64 --decode > ~/.npmrc
     - npm publish . || true
   only:
-    - tags
+    - master

things/npm/.npmignore

@@ -7,3 +7,6 @@
 .dockerignore
 Dockerfile
 /src
+/coverage
+/tests
+/dist/tests

things/npm/install-npm.sh

@@ -9,3 +9,5 @@ npm install --save-dev \
 	'eslint-config-prettier@^8.3.0' \
 	'eslint-plugin-prettier@^3.4.0' \
 	prettier
+
+mkdir tests || true

things/npm/package.json

@@ -7,6 +7,7 @@
   "scripts": {
     "lint": "eslint --fix .",
     "build": "tsc",
+    "test": "jest --passWithNoTests",
     "start": "node dist/index.js"
   },
   "repository": {
@@ -19,5 +20,22 @@
   "bugs": {
     "url": "https://code.mycard.moe/3rdeye/myproject/issues"
   },
-  "homepage": "https://code.mycard.moe/3rdeye/myproject"
+  "homepage": "https://code.mycard.moe/3rdeye/myproject",
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "tests",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
 }