Add eslint-plugin-jsdoc

Fixes #41

README.md

@@ -13,4 +13,6 @@ I update dependencies regularly. These are the steps:
 1. **Add type checking with TypeScript?** Yes, using JavaScript with JSDoc comments.
 1. Add ESLint, Prettier and Vitest.
 1. Revert `README.md`.
+1. Run `pnpm i -D eslint-plugin-jsdoc`.
+1. Check changes in `eslint.config.js` and manually revert preserving `eslint-plugin-jsdoc`.
 1. Delete folder `node_modules` and file `pnpm-lock.yaml` and run `pnpm i`.

eslint.config.js

@@ -1,6 +1,7 @@
 import js from '@eslint/js';
-import svelte from 'eslint-plugin-svelte';
 import prettier from 'eslint-config-prettier';
+import jsdoc from 'eslint-plugin-jsdoc';
+import svelte from 'eslint-plugin-svelte';
 import globals from 'globals';
 
 /** @type {import('eslint').Linter.FlatConfig[]} */
@@ -9,6 +10,7 @@ export default [
 	...svelte.configs['flat/recommended'],
 	prettier,
 	...svelte.configs['flat/prettier'],
+	jsdoc.configs['flat/recommended'],
 	{
 		languageOptions: {
 			globals: {

package.json

@@ -35,6 +35,7 @@
 		"@types/eslint": "^8.56.7",
 		"eslint": "^9.0.0",
 		"eslint-config-prettier": "^9.1.0",
+		"eslint-plugin-jsdoc": "^48.5.0",
 		"eslint-plugin-svelte": "^2.36.0",
 		"globals": "^15.0.0",
 		"prettier": "^3.1.1",