Switched over to typescript

.eslintignore

@@ -1,2 +1,3 @@
 build/*
 flow-typed/*
+dist/*

.eslintrc

@@ -1,53 +1,69 @@
 {
-  "parser": "babel-eslint",
+  "root": true,
+  "parserOptions": {
+    "project": "./tsconfig.json",
+  },
+  "plugins": ["@typescript-eslint", "import", "prettier"],
   "extends": [
-    "airbnb-base",
-    "plugin:prettier/recommended",
-    "prettier/flowtype"
+    "airbnb-typescript/base",
+    "prettier",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:import/typescript",
   ],
-  "env": {
-    "browser": true,
-    "node": true,
-    "mocha": true,
-    "es6": true
-  },
-  "plugins": ["flowtype", "sorting", "prettier"],
+  "parser": "@typescript-eslint/parser",
   "rules": {
-    "arrow-parens": 0,
-    "arrow-body-style": [2, "as-needed"],
-    "flowtype/define-flow-type": 1,
-    "flowtype/require-valid-file-annotation": [2, "always"],
-    "flowtype/sort-keys": 2,
-    "flowtype/use-flow-type": 1,
-    "import/extensions": 0,
+    "eol-last": 2,
     "import/first": 0,
     "import/newline-after-import": 0,
-    "import/no-absolute-path": 0,
     "import/no-duplicates": 0,
-    "import/no-dynamic-require": 0,
     "import/no-extraneous-dependencies": 0,
     "import/no-named-as-default": 0,
-    "import/no-named-as-default-member": 0,
-    "import/no-unresolved": [2, { "ignore": ["brewskey.js-api"] }],
-    "import/order": 0,
+    "import/no-unresolved": 2,
     "import/prefer-default-export": 0,
     "newline-per-chained-call": 0,
     "no-confusing-arrow": 0,
-    "no-console": 1,
+    "no-console": 0,
     "no-duplicate-imports": 0,
     "no-mixed-operators": 0,
     "no-underscore-dangle": 0,
     "no-use-before-define": 0,
-    "prefer-template": 2,
-    "class-methods-use-this": 0,
-    "require-yield": 0,
-    "sorting/sort-object-props": [
+    "class-methods-use-this": "off",
+    "no-promise-executor-return": "off",
+    "quotes": [
       2,
+      "single",
+      {
+        "avoidEscape": true,
+      },
+    ],
+    "semi": 2,
+    "no-unused-vars": "off",
+    "@typescript-eslint/no-unused-vars": [
+      "warn", // or "error"
       {
-        "ignoreCase": true,
-        "ignoreMethods": false
-      }
+        "argsIgnorePattern": "^_",
+        "varsIgnorePattern": "^_",
+        "caughtErrorsIgnorePattern": "^_",
+      },
     ],
-    "space-unary-ops": 0
-  }
+    "@typescript-eslint/naming-convention": [
+      "error",
+      {
+        "selector": ["parameter", "variable"],
+        "leadingUnderscore": "forbid",
+        "filter": {
+          // keep this one open for destructuring
+          "regex": "_*",
+          "match": false,
+        },
+        "format": null,
+      },
+      {
+        "selector": "parameter",
+        "leadingUnderscore": "require",
+        "format": null,
+        "modifiers": ["unused"],
+      },
+    ],
+  },
 }

.prettierrc

@@ -1,6 +1,6 @@
 {
+  "tabWidth": 2,
   "semi": true,
   "singleQuote": true,
-  "printWidth": 80,
   "trailingComma": "all"
-}
+}