fix(eslint-plugin): Activate no floating promises rule (#87)

* fix: Add project to parserOptions

* feat: Add test for no-floating-promises rule in example-app

Author: thomasrebam

example-app/eslint-breaking-examples/break-eslint-recommended-rules.js

@@ -11,3 +11,7 @@ console.log(
 // no-empty
 if (true) {
 }
+
+// This should trigger an error breaking no-floating-promises rule
+const promise = new Promise((resolve) => resolve("value"));
+promise;

packages/eslint-plugin/lib/configs/recommended.js

@@ -44,7 +44,7 @@ module.exports = defineConfig({
     "@typescript-eslint/no-unused-vars": "off",
     "unused-imports/no-unused-imports": "error",
     "unused-imports/no-unused-vars": "error",
-    // "@typescript-eslint/no-floating-promises": "error", //TODO: A réactiver après le fix de @thomasrebam https://www.notion.so/m33/ETQU-sur-le-plugin-eslint-la-r-gle-no-floating-promises-fonctionne-949b4beca2b34704a87c41faa982f540
+    "@typescript-eslint/no-floating-promises": "error",
   },
   env: {
     node: true,
@@ -57,6 +57,8 @@ module.exports = defineConfig({
     ecmaFeatures: {
       jsx: true,
     },
+    // Introduced to define the parserOptions.project property for @typescript-eslint/no-floating-promises
+    project: ["tsconfig.json"],
   },
   settings: {
     react: {