RTG-1182: Enabling ES modules and refactoring

Changes:
 - Removes crypto library, since extension relies on webcrypto API and
   sjcl libraries.
 - creating a voprf module.
 - Making Jest to work with ESM.
 - Adding linter and formating files with prettier.
 - Fix return type.
 - Rename a listener file.
 - Replacing ProviderID -> ProviderId.
 - Removing plural from providers.
 - Replacing HCaptcha -> Hcaptcha.
 - Adding contributor guide.
 - Adding return types to satisfy linter.
 - Removing default exports.
 - Add strickNullChecks to configuration.
 - Removing yarn related files.
 - Removing isomorphic-webcrypto.
 - Attaching TABS variable to window global object.

.eslintrc.json

@@ -0,0 +1,45 @@
+{
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 2020,
+        "sourceType": "module",
+        "ecmaFeatures": {
+            "jsx": true
+        }
+    },
+    "plugins": [
+        "@typescript-eslint",
+        "security",
+        "prettier"
+    ],
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:security/recommended",
+        "plugin:prettier/recommended",
+        "prettier"
+    ],
+    "rules": {
+        "@typescript-eslint/member-delimiter-style": 0,
+        "@typescript-eslint/no-namespace": [
+            "warn"
+        ],
+        "@typescript-eslint/no-unused-vars": [
+            "error",
+            {
+                "argsIgnorePattern": "^_"
+            }
+        ],
+        "no-case-declarations": 0,
+        "no-console": [
+            "error",
+            {
+                "allow": [
+                    "warn",
+                    "error"
+                ]
+            }
+        ]
+    }
+}

.gitignore

@@ -1,3 +1,4 @@
 *.swp
 /node_modules
 /dist
+/lib

.prettierrc.json

@@ -0,0 +1,7 @@
+{
+    "semi": true,
+    "singleQuote": true,
+    "tabWidth": 4,
+    "trailingComma": "all",
+    "printWidth": 100
+}

CONTRIBUTING.md

@@ -0,0 +1,13 @@
+## Contribution Guidelines
+
+### Code Style
+
+Code is written in TypeScript and is automatically formatted with prettier.
+
+```
+ $ npm run lint
+```
+
+### Naming convention
+
+It is recommended to follow style guide for [TypeScript](https://google.github.io/styleguide/tsguide.html).

README.md

@@ -1,17 +1,17 @@
-# Challenge Bypass Extension
+# Privacy Pass Extension
 
 ## Build Instruction
 
 ```sh
-$ npm install
+$ npm ci
 $ npm run build
 ```
 
 After that, the `dist` folder will contain all files required by the extension.
 
 ## Test Instruction
 ```sh
-$ npm install
+$ npm ci
 $ npm test
 ```
 

jest.config.js

@@ -1,12 +1,18 @@
-/** @type {import('@ts-jest/dist/types').InitialOptionsTsJest} */
-module.exports = {
-    preset: 'ts-jest',
+export default {
+    preset: 'ts-jest/presets/js-with-ts-esm',
     setupFiles: ['./jest.setup.ts'],
+    globals: {
+        'ts-jest': {
+            useESM: true,
+        },
+    },
+    transform: {},
+    transformIgnorePatterns: ['.js'],
     testEnvironment: 'jsdom',
     moduleNameMapper: {
-        "^@root/(.*)": "<rootDir>/$1",
-        "^@public/(.*)": "<rootDir>/public/$1",
-        "^@background/(.*)": "<rootDir>/src/background/$1",
-        "^@popup/(.*)": "<rootDir>/src/popup/$1"
+        '^@root/(.*)': '<rootDir>/$1',
+        '^@public/(.*)': '<rootDir>/public/$1',
+        '^@popup/(.*)': '<rootDir>/src/popup/$1',
     },
-};
+    verbose: true,
+}

jest.setup.ts

@@ -1,9 +1,6 @@
-import crypto from 'crypto';
+// Mocking crypto with Node webcrypto API.
+import { webcrypto } from 'crypto';
 
-Object.assign(window, {
-    crypto: {
-        getRandomValues: (buffer: Int32Array) => {
-            return crypto.randomFillSync(buffer);
-        },
-    },
-});
+if (typeof crypto === 'undefined') {
+    global.crypto = (webcrypto as unknown) as Crypto
+}