Tailored linter config to Typescript and incorporated Prettier format…

…ter in lint command

.eslintrc.yaml

@@ -1,9 +1,19 @@
-parser: babel-eslint
+parser: "@typescript-eslint/parser"
+parserOptions:
+  project: tsconfig.json
+  sourceType: module
 extends:
-  - airbnb
+  - eslint:recommended
+  - plugin:@typescript-eslint/eslint-recommended
+  - plugin:import/errors
+  - plugin:import/warnings
+  - plugin:import/typescript
+  - plugin:jest/recommended
   - prettier
+  - prettier/@typescript-eslint
 plugins:
-  - flowtype
+  - "@typescript-eslint"
+  - jest
 env:
   browser: true
 rules:

package.json

@@ -31,8 +31,8 @@
     "testCovPrepare": "rm -rf ./coverage .nyc_output .nyc_tmp && mkdir .nyc_tmp",
     "testDev": "NODE_ENV=development jest --coverage && mv .nyc_output/coverage-final.json .nyc_tmp/coverage-dev.json && rm -rf .nyc_output",
     "testCovReport": "cp -r .nyc_tmp .nyc_output && nyc report --reporter=html --reporter=lcov --reporter=text",
-    "lint": "eslint src",
-    "lint-fix": "eslint --fix src"
+    "lint": "eslint \"src/**/*.{js,jsx,ts,tsx}\"",
+    "lint-fix": "eslint --fix \"src/**/*.{js,jsx,ts,tsx}\""
   },
   "engines": {
     "node": ">=6"
@@ -50,7 +50,14 @@
     "@types/node": "^13.9.2",
     "@types/qrcode": "^1.3.4",
     "@types/sax": "^1.2.1",
+    "@typescript-eslint/eslint-plugin": "^2.27.0",
+    "@typescript-eslint/parser": "^2.27.0",
     "coveralls": "2.13.1",
+    "eslint": "^6.8.0",
+    "eslint-config-prettier": "^6.10.1",
+    "eslint-plugin-import": "^2.20.2",
+    "eslint-plugin-jest": "^23.8.2",
+    "eslint-plugin-prettier": "^3.1.2",
     "jest": "^25.1.0",
     "mockdate": "^2.0.5",
     "nyc": "10.0.0",
@@ -79,4 +86,4 @@
       "!**/__mocks__/**"
     ]
   }
-}
+}

tsconfig.json

@@ -12,8 +12,5 @@
     },
     "include": [
         "src"
-    ],
-    "exclude": [
-        "src/__tests__/**/*"
     ]
 }