/**
 * @fileoverview Warn when using template string syntax in regular strings
 * @author Jeroen Engels
 */
'use strict';

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

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

    docs: {
      description:
        'Disallow template literal placeholder syntax in regular strings',
      recommended: false,
      url: 'https://eslint.org/docs/latest/rules/no-template-curly-in-string',
    },

    schema: [],

    messages: {
      unexpectedTemplateExpression: 'Unexpected template string expression.',
    },
  },

  create(context) {
    const regex = /\$\{[^}]+\}/u;

    return {
      Literal(node) {
        if (typeof node.value === 'string' && regex.test(node.value)) {
          context.report({
            node,
            messageId: 'unexpectedTemplateExpression',
          });
        }
      },
    };
  },
};