chore(lint): update eslint config and error-handling example

Author: jarvisjiang

eslint.config.mjs

@@ -19,6 +19,22 @@ export default defineConfig([
             tseslint.configs.stylistic,
         ],
         rules: {
+            // Error Prevention
+            'eqeqeq': ['error', 'always', { 'null': 'ignore' }],
+            'no-cond-assign': ['error', 'always'],
+            'no-self-compare': 'error',
+            'no-template-curly-in-string': 'error',
+
+            // Best Practices
+            'default-case-last': 'error',
+            'no-new-wrappers': 'error',
+            'radix': 'error',
+
+            // ES6+ Style
+            'prefer-template': 'error',
+            'object-shorthand': 'error',
+
+            // Stylistic
             '@stylistic/semi': ['error', 'always'],
             '@stylistic/comma-dangle': ['error', 'always-multiline'],
             '@stylistic/member-delimiter-style': ['error', {

examples/error-handling.ts

@@ -5,7 +5,7 @@
  * Or with Deno: deno run --allow-net examples/error-handling.ts
  */
 
-import { fetchT, FetchError, ABORT_ERROR, TIMEOUT_ERROR } from '../src/mod.ts';
+import { ABORT_ERROR, FetchError, fetchT, TIMEOUT_ERROR } from '../src/mod.ts';
 
 const API_BASE = 'https://jsonplaceholder.typicode.com';
 
@@ -365,7 +365,7 @@ async function resultChaining() {
             return {
                 id: post.id,
                 title: post.title.toUpperCase(),
-                preview: post.body.substring(0, 50) + '...',
+                preview: `${ post.body.substring(0, 50) }...`,
             };
         })
         .mapErr((err) => new Error(`Failed to fetch post: ${err.message}`));