/**
 * @fileoverview Rule to flag when initializing octal literal
 * @author Ilya Volodin
 */

'use strict';

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

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

    docs: {
      description: 'Disallow octal literals',
      recommended: true,
      url: 'https://eslint.org/docs/latest/rules/no-octal',
    },

    schema: [],

    messages: {
      noOctal: 'Octal literals should not be used.',
    },
  },

  create(context) {
    return {
      Literal(node) {
        if (typeof node.value === 'number' && /^0[0-9]/u.test(node.raw)) {
          context.report({
            node,
            messageId: 'noOctal',
          });
        }
      },
    };
  },
};