Upgrade all npm dependencies including migrating to eslint

Author: emerick

.eslintrc.json

@@ -0,0 +1,67 @@
+{
+  "root": true, /* Don't read chromium's eslint config (https://eslint.org/docs/user-guide/configuring/configuration-files#cascading-and-hierarchy) */
+  "extends": "standard-with-typescript",
+  "ignorePatterns": ["*.js", "*.d.ts"],
+  "env": {
+    "browser": false,
+    "node": true,
+    "es6": true,
+    "jest/globals": true
+  },
+  "plugins": ["jest"],
+  "globals": {
+    "chrome": "readonly"
+  },
+  "parserOptions": {
+    "project": "./tsconfig-lint.json"
+  },
+  "rules": {
+    "quote-props": ["error", "consistent"],
+    "@typescript-eslint/indent": 0,
+    "@typescript-eslint/no-useless-constructor": 0,
+    "@typescript-eslint/explicit-function-return-type": 0,
+    "import/first": 0,
+    "@typescript-eslint/no-var-requires": 0,
+    "consistent-type-definitions": 0,
+    "@typescript-eslint/strict-boolean-expressions": 0,
+    "@typescript-eslint/restrict-template-expressions": 0,
+    "@typescript-eslint/restrict-plus-operands": 0,
+    "@typescript-eslint/prefer-optional-chain": 0,
+    "@typescript-eslint/prefer-nullish-coalescing": 0,
+    "@typescript-eslint/no-misused-promises": 0,
+    "no-mixed-operators": 0,
+    "no-prototype-builtins": 0,
+    "@typescript-eslint/promise-function-async": 0,
+    "no-case-declarations": 0,
+    "@typescript-eslint/no-dynamic-delete": 0,
+    "@typescript-eslint/no-empty-interface": 0,
+    "no-useless-escape": 0,
+    "no-return-assign": 0,
+    "no-async-promise-executor": 0,
+    "no-fallthrough": 0,
+    "array-callback-return": 0,
+    "prefer-promise-reject-errors": 0,
+    "@typescript-eslint/no-floating-promises": 0,
+    "@typescript-eslint/no-base-to-string": 0,
+    "prefer-regex-literals": 0,
+    "@typescript-eslint/no-implied-eval": 0,
+    "@typescript-eslint/no-namespace": 0,
+    "@typescript-eslint/require-array-sort-compare": 0,
+    "no-loss-of-precision": 0,
+    "@typescript-eslint/no-this-alias": 0,
+    "@typescript-eslint/no-redeclare": 0,
+    "no-unsafe-negation": 0,
+    "promise/param-names": 0,
+    "node/no-callback-literal": 0,
+    "@typescript-eslint/consistent-type-definitions": 0,
+    "multiline-ternary": 0,
+    "@typescript-eslint/prefer-readonly": 0,
+    /* TODO(nullhook): ENABLE the below rules in the future */
+    "no-useless-call": 0,
+    "@typescript-eslint/consistent-type-assertions": 0,
+    "@typescript-eslint/no-non-null-assertion": 0,
+    "@typescript-eslint/no-invalid-void-type": 0,
+    "prefer-const": 0,
+    "@typescript-eslint/return-await": 0
+  }
+}

jest.config.js

@@ -4,6 +4,7 @@ module.exports = {
     '^.+\\.jsx?$': 'babel-jest',
     '^.+\\.tsx?$': 'ts-jest'
   },
+  testEnvironment: 'jsdom',
   testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node']
 }