ci: integrate with gitlab-ci

.gitlab-ci.yml

@@ -0,0 +1,45 @@
+# Read more: https://docs.gitlab.com/12.7/ee/ci/yaml/README.html
+cache:
+    paths:
+        - .yarn
+        - node_modules/
+
+before_script:
+    - yarn install --cache-folder .yarn
+
+stages:
+    - static-checking
+    - type-checking
+    - test
+    - build
+
+static-checking:
+    stage: static-checking
+    script:
+        - yarn eslint
+    only:
+        - merge_requests
+        - dev
+
+type-checking:
+    stage: type-checking
+    script:
+        - yarn check-types
+    only:
+        - merge_requests
+        - dev
+
+test:
+    stage: test
+    script:
+        - yarn test
+    only:
+        - merge_requests
+        - dev
+
+build:
+    stage: build
+    script:
+        - yarn build
+    only:
+        - dev

package.json

@@ -15,7 +15,7 @@
   "main": "dist/index.js",
   "scripts": {
     "antlr4": "node build/antlr4.js",
-    "build": "npm test && rm -rf dist && tsc",
+    "build": "rm -rf dist && tsc",
     "eslint": "eslint ./src/**/*.ts",
     "check-types": "tsc --skipLibCheck",
     "test": "jest --coverage"