enforce strict typescript

.eslintignore

@@ -0,0 +1,4 @@
+node_modules/
+build/
+coverage/
+.vuepress/

.eslintrc.json

@@ -118,6 +118,28 @@
         "promise/no-multiple-resolved": "error"
     },
     "overrides": [
+        {
+            "files": ["*.ts", "*.tsx"],
+            "parser": "@typescript-eslint/parser",
+            "parserOptions": {
+                "tsconfigRootDir": ".",
+                "project": ["./tsconfig.json", "**/tsconfig.json"],
+                "ecmaVersion": "latest",
+                "parser": "@typescript-eslint/parser",
+                "sourceType": "module"
+            },
+            "plugins": ["@typescript-eslint"],
+            "extends": [
+                "plugin:@typescript-eslint/recommended",
+                "plugin:@typescript-eslint/recommended-requiring-type-checking",
+                "plugin:@typescript-eslint/strict"
+            ],
+            "rules": {
+                // allow explicitly defined dangling promises
+                "@typescript-eslint/no-floating-promises": ["error", { "ignoreVoid": true }],
+                "no-void": ["error", { "allowAsStatement": true }]
+            }
+        },
         {
             "files": ["!*.json"],
             "plugins": ["prettier"],

package.json

@@ -22,7 +22,7 @@
     "db:reset": "TZ=UTC npx prisma migrate reset --force",
     "db:seed": "TZ=UTC npx prisma db seed",
     "test:lint": "npm run test:lint:eslint && npm run test:lint:remark",
-    "test:lint:eslint": "eslint --ext .ts,.tsx,.js,.jsx,.json,.yml,.yaml --max-warnings 0 --ignore-path .gitignore .",
+    "test:lint:eslint": "eslint --ext .ts,.tsx,.js,.jsx,.json,.yml,.yaml --max-warnings 0 .",
     "test:lint:remark": "remark . --quiet --frail",
     "test:unit": "TZ=UTC jest --runInBand --forceExit --detectOpenHandles",
     "test": "npm run test:lint && npm run test:unit",