/**
 * @fileoverview Rule to disallow empty static blocks.
 * @author Sosuke Suzuki
 */
'use strict';

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

/** @type {import('../types').Rule.RuleModule} */
module.exports = {
  meta: {
    type: 'suggestion',

    docs: {
      description: 'Disallow empty static blocks',
      recommended: true,
      url: 'https://eslint.org/docs/latest/rules/no-empty-static-block',
    },

    schema: [],

    messages: {
      unexpected: 'Unexpected empty static block.',
    },
  },

  create(context) {
    const sourceCode = context.sourceCode;

    return {
      StaticBlock(node) {
        if (node.body.length === 0) {
          const closingBrace = sourceCode.getLastToken(node);

          if (sourceCode.getCommentsBefore(closingBrace).length === 0) {
            context.report({
              node,
              messageId: 'unexpected',
            });
          }
        }
      },
    };
  },
};