/**
   * @fileoverview Rule to check for tabs inside a file
   * @author Gyandeep Singh
   */
  
  "use strict";
  
  //------------------------------------------------------------------------------
  // Helpers
  //------------------------------------------------------------------------------
  const regex = /\t/;
  
  //------------------------------------------------------------------------------
  // Public Interface
  //------------------------------------------------------------------------------
  
  module.exports = {
      meta: {
          docs: {
              description: "disallow all tabs",
              category: "Stylistic Issues",
              recommended: false
          },
          schema: []
      },
  
      create(context) {
          return {
              Program(node) {
                  context.getSourceLines().forEach((line, index) => {
                      const match = regex.exec(line);
  
                      if (match) {
                          context.report({ node, loc: {
                              line: index + 1,
                              column: match.index + 1
                          }, message: "Unexpected tab character." });
                      }
                  });
              }
          };
      }
  };