Streamline CI

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/node:10.3
+      - image: circleci/node:12
 
     working_directory: ~/repo
 
@@ -11,14 +11,16 @@ jobs:
 
       - restore_cache:
           keys:
-          - v1-dependencies-{{ checksum "package.json" }}
-          - v1-dependencies-
+          - v2-dependencies-{{ checksum "package-lock.json" }}
+          - v2-dependencies-
 
-      - run: npm install
+      - run: npm ci
 
       - save_cache:
           paths:
-            - node_modules
-          key: v1-dependencies-{{ checksum "package.json" }}
+            - "$HOME/.npm"
+          key: v2-dependencies-{{ checksum "package-lock.json" }}
+
+      - run: npm run -s typecheck
 
       - run: npm run -s lint

.editorconfig

@@ -10,3 +10,7 @@ trim_trailing_whitespace = true
 [package.json]
 indent_style = space
 indent_size = 2
+
+[.circleci/config.yml]
+indent_style = space
+indent_size = 2

.eslintrc.json

@@ -1,6 +1,7 @@
 {
 	"parserOptions": {
 		"ecmaVersion": 2018,
+		"project": "tsconfig.json",
 		"sourceType": "script"
 	},
 	"env": {
@@ -14,6 +15,7 @@
 			"plugins": ["@typescript-eslint"],
 			"parser": "@typescript-eslint/parser",
 			"extends": [
+				"plugin:@typescript-eslint/recommended-requiring-type-checking",
 				"plugin:@typescript-eslint/eslint-recommended",
 				"plugin:@typescript-eslint/recommended",
 				"plugin:prettier/recommended",

package.json

@@ -7,7 +7,7 @@
     "postversion": "git push --atomic --follow-tags origin develop develop:master",
     "start": "node index",
     "lint": "eslint --ext .ts --ext .js .",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "typecheck": "tsc --noEmit"
   },
   "repository": {
     "type": "git",