/**
   * @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal
   * @author James Allardice
   */
  
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = {
      meta: {
          docs: {
              description: "disallow leading or trailing decimal points in numeric literals",
              category: "Best Practices",
              recommended: false
          },
  
          schema: [],
  
          fixable: "code"
      },
  
      create(context) {
  
          return {
              Literal(node) {
  
                  if (typeof node.value === "number") {
                      if (node.raw.indexOf(".") === 0) {
                          context.report({
                              node,
                              message: "A leading decimal point can be confused with a dot.",
                              fix: fixer => fixer.insertTextBefore(node, "0")
                          });
                      }
                      if (node.raw.indexOf(".") === node.raw.length - 1) {
                          context.report({
                              node,
                              message: "A trailing decimal point can be confused with a dot.",
                              fix: fixer => fixer.insertTextAfter(node, "0")
                          });
                      }
                  }
              }
          };
  
      }
  };