Adding frontend configs

frontend/.eslintrc.js

@@ -0,0 +1,69 @@
+var { resolve } = require('path');
+module.exports = {
+  // https://eslint.org/docs/user-guide/configuring#configuration-cascading-and-hierarchy
+  // This option interrupts the configuration hierarchy at this file
+  // Remove this if you have an higher level ESLint config file (it usually happens into a monorepos)
+  root: true,
+  parserOptions: {
+    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/parser#configuration
+    // https://github.com/TypeStrong/fork-ts-checker-webpack-plugin#eslint
+    // Needed to make the parser take into account 'vue' files
+    parser: '@typescript-eslint/parser',
+    project: resolve(__dirname, './tsconfig.json'),
+    tsconfigRootDir: __dirname,
+    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
+    sourceType: 'module', // Allows for the use of imports
+  },
+
+  env: {
+    browser: true,
+  },
+
+  // Rules order is important, please avoid shuffling them
+  extends: [
+    // Base ESLint recommended rules
+    'eslint:recommended',
+
+    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#usage
+    // ESLint typescript rules
+    'plugin:@typescript-eslint/recommended',
+    // consider disabling this class of rules if linting takes too long
+    'plugin:@typescript-eslint/recommended-requiring-type-checking',
+
+    // https://github.com/prettier/eslint-config-prettier#installation
+    // usage with Prettier, provided by 'eslint-config-prettier'.
+    'prettier',
+  ],
+
+  plugins: [
+    // required to apply rules which need type information
+    '@typescript-eslint',
+
+    // https://github.com/typescript-eslint/typescript-eslint/issues/389#issuecomment-509292674
+    // Prettier has not been included as plugin to avoid performance impact
+    // add it as an extension for your IDE
+  ],
+
+  globals: {
+    ga: 'readonly', // Google Analytics
+    cordova: 'readonly',
+    __statics: 'readonly',
+    process: 'readonly',
+    Capacitor: 'readonly',
+    chrome: 'readonly',
+  },
+
+  // add your custom rules here
+  rules: {
+    'prefer-promise-reject-errors': 'off',
+
+    // TypeScript
+    quotes: ['error', 'single', { avoidEscape: true }],
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    'semi': ['error', 'always'],
+    'no-multi-spaces': ['error'],
+   
+    // allow debugger during development only
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+  }, 
+};