Build/Refactor: lint pre-commit hook and reformat repo to spec (#314)

* build/refactor: move lint/prettier packages to project root, install husky, add pre-commit hook

* refactor: reformat files

* build: put full eslintrc back with all rules

eslintrc-stripped.js

@@ -0,0 +1,91 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    node: true,
+    commonjs: true,
+    es6: true,
+  },
+  extends: [
+    "prettier",
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: "latest",
+    sourceType: "module",
+    ecmaFeatures: {
+      jsx: true,
+    },
+  },
+  plugins: ["react", "react-hooks", "@typescript-eslint"],
+  rules: {
+    indent: ["error", 2, { SwitchCase: 1 }],
+    "max-len": [
+      "error",
+      {
+        code: 150,
+        ignoreStrings: true,
+        ignoreTemplateLiterals: true,
+        ignoreComments: true,
+      },
+    ],
+    "linebreak-style": 0,
+    "arrow-parens": [2, "as-needed", { requireForBlockBody: true }],
+    // 'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
+    "no-console": "off",
+    "import/extensions": "off",
+    "no-promise-executor-return": "off",
+    "no-param-reassign": "off",
+    "no-continue": "off",
+    "no-restricted-syntax": "off",
+    "react/prop-types": ["off"],
+    "react/display-name": ["off"],
+  },
+  overrides: [
+    {
+      files: ["**/*.ts", "**/*.tsx, **/*.js, **/*.jsx"],
+      rules: {
+        "no-unused-vars": "off", // off because it conflicts with '@typescript-eslint/no-unused-vars'
+        "react/display-name": "off",
+        "@typescript-eslint/no-unused-vars": "warn",
+      },
+    },
+    {
+      files: ["rollup.config.js", ".eslintrc.js", "jest.config.js"],
+      env: {
+        node: true,
+      },
+    },
+    {
+      files: [
+        "**/*.test.js",
+        "**/*.test.jsx",
+        "**/*.test.ts",
+        "**/*.test.tsx",
+        "**/*.spec.js",
+        "**/*.spec.jsx",
+        "**/*.spec.ts",
+        "**/*.spec.tsx",
+        "setupTests.js",
+      ],
+      env: {
+        jest: true,
+        node: true,
+      },
+      rules: {
+        "react/display-name": "off",
+        "react/prop-types": "off",
+        "react/no-unescaped-entities": "off",
+      },
+    },
+  ],
+  settings: {
+    react: {
+      createClass: 'createReactClass', // Regex for Component Factory to use,
+      // default to "createReactClass"
+      pragma: 'React', // Pragma to use, default to "React"
+      fragment: 'Fragment', // Fragment to use (may be a property of <pragma>), default to "Fragment"
+      version: 'detect', // React version. "detect" automatically picks the version you have installed.
+    },
+  },
+};