feat: promise safety with eslint

packages/eslint-config/index.cjs

@@ -20,6 +20,8 @@ module.exports = {
   parser: '@typescript-eslint/parser',
 
   parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['../../apps/*/tsconfig.json', '../../packages/*/tsconfig.json'],
     ecmaVersion: 2022,
     ecmaFeatures: {
       jsx: true,
@@ -33,6 +35,18 @@ module.exports = {
     'no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
     '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
 
+    // Safety with promises so we aren't running with scissors
+    'no-promise-executor-return': 'error',
+    'prefer-promise-reject-errors': 'error',
+    'require-atomic-updates': 'error',
+    '@typescript-eslint/no-floating-promises': 'error',
+    '@typescript-eslint/no-misused-promises': [
+      'error',
+      { checksVoidReturn: { attributes: false } },
+    ],
+    '@typescript-eslint/promise-function-async': 'error',
+    '@typescript-eslint/require-await': 'error',
+
     // We never want to use `as` but are required to on occasion to handle
     // shortcomings in third-party and generated types.
     //

packages/eslint-config/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@documenso/tsconfig/base.json",
+  "compilerOptions": {
+    "allowJs": true,
+    "noEmit": true,
+  },
+  "include": ["**/*.cjs", "**/*.js"],
+  "exclude": ["dist", "build", "node_modules"]
+}