eslint-plugin-svelte/lib/rules/no-useless-children-snippet.js

ESLint plugin for Svelte using AST

import { createRule } from '../utils/index.js';
export default createRule('no-useless-children-snippet', {
    meta: {
        docs: {
            description: "disallow explicit children snippet where it's not needed",
            category: 'Best Practices',
            recommended: true
        },
        schema: [],
        messages: {
            uselessSnippet: 'Found an unnecessary children snippet.'
        },
        type: 'suggestion',
        conditions: [
            {
                svelteVersions: ['5']
            }
        ]
    },
    create(context) {
        return {
            SvelteSnippetBlock(node) {
                if (node.parent.type === 'SvelteElement' &&
                    node.id.name === 'children' &&
                    node.params.length === 0) {
                    context.report({ node, messageId: 'uselessSnippet' });
                }
            }
        };
    }
});