chore(lint): migrate rslint to flat config

.vscode/extensions.json

@@ -1,5 +1,6 @@
 {
   "recommendations": [
+    "rstack.rslint",
     "biomejs.biome",
     "esbenp.prettier-vscode",
     "unifiedjs.vscode-mdx"

e2e/test-api/fixtures/moduleNotFound.test.ts

@@ -5,7 +5,7 @@ const expectNotFound = async () => {
     // @ts-expect-error
     const res = await import('404');
     return res;
-  } catch (_err) {
+  } catch {
     return null;
   }
 };

packages/browser/src/hostController.ts

@@ -1573,10 +1573,10 @@ const createBrowserRuntime = async ({
       dispatchHandlers,
       wss,
     };
-  } catch (_error) {
+  } catch (error) {
     wss.close();
     await devServer.close();
-    throw _error;
+    throw error;
   }
 };
 

packages/browser/src/watchCliShortcuts.ts

@@ -70,7 +70,9 @@ export async function setupBrowserWatchCliShortcuts({
     try {
       process.stdin.setRawMode(false);
       process.stdin.pause();
-    } catch {}
+    } catch {
+      // do nothing
+    }
 
     process.stdin.off('keypress', handleKeypress);
   };

packages/core/src/core/rsbuild.ts

@@ -47,7 +47,7 @@ function parseInlineSourceMapStr(code: string) {
     const base64Data = match[1];
     const decodedStr = Buffer.from(base64Data, 'base64').toString('utf-8');
     return decodedStr;
-  } catch (_error) {
+  } catch {
     return null;
   }
 }

packages/core/src/runtime/runner/runner.ts

@@ -142,7 +142,7 @@ export class TestRunner {
                 },
               ],
             };
-          } catch (_err) {
+          } catch {
             result = {
               testId: test.testId,
               project,

packages/core/src/runtime/worker/loadModule.ts

@@ -19,7 +19,7 @@ const createRequire = (
     try {
       // compat with some testPath may not be an available path but the third-party package name
       return createNativeRequire(filename);
-    } catch (_err) {
+    } catch {
       return createNativeRequire(distPath);
     }
   })();

rslint.config.mts

@@ -0,0 +1,19 @@
+import { defineConfig, ts } from '@rslint/core';
+
+export default defineConfig([
+  { ignores: ['**/dist/**', '**/dist-types/**'] },
+  ts.configs.recommended,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: ['./packages/*/tsconfig.json'],
+      },
+    },
+    rules: {
+      '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
+    },
+  },
+]);