text: "use strict";
  
  const _ = require("lodash");
  const beforeBlockString = require("../../utils/beforeBlockString");
  const hasBlock = require("../../utils/hasBlock");
  const hasEmptyBlock = require("../../utils/hasEmptyBlock");
  const optionsMatches = require("../../utils/optionsMatches");
  const report = require("../../utils/report");
  const ruleMessages = require("../../utils/ruleMessages");
  const validateOptions = require("../../utils/validateOptions");
  
  const ruleName = "block-no-empty";
  
  const messages = ruleMessages(ruleName, {
    rejected: "Unexpected empty block"
  });
  
  const rule = function(primary, options = {}) {
    return (root, result) => {
      const validOptions = validateOptions(
        result,
        ruleName,
        {
          actual: primary,
          possible: _.isBoolean
        },
        {
          actual: options,
          possible: {
            ignore: ["comments"]
          },
          optional: true
        }
      );
  
      if (!validOptions) {
        return;
      }
  
      const ignoreComments = optionsMatches(options, "ignore", "comments");
  
      // Check both kinds of statements: rules and at-rules
      root.walkRules(check);
      root.walkAtRules(check);
  
      function check(statement) {
        if (!hasEmptyBlock(statement) && !ignoreComments) {
          return;
        }
  
        if (!hasBlock(statement)) {
          return;
        }
  
        const hasCommentsOnly = statement.nodes.every(
          node => node.type === "comment"
        );
  
        if (!hasCommentsOnly) {
          return;
        }
  
        let index = beforeBlockString(statement, { noRawBefore: true }).length;
  
        // For empty blocks when using SugarSS parser
        if (statement.raws.between === undefined) {
          index--;
        }
  
        report({
          message: messages.rejected,
          node: statement,
          index,
          result,
          ruleName
        });
      }
    };
  };
  
  rule.ruleName = ruleName;
  rule.messages = messages;
  module.exports = rule;
  