'use strict';var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}

function isRequire(node) {
  return node &&
  node.callee &&
  node.callee.type === 'Identifier' &&
  node.callee.name === 'require' &&
  node.arguments.length >= 1;
}

function isDynamicImport(node) {
  return node &&
  node.callee &&
  node.callee.type === 'Import';
}

function isStaticValue(arg) {
  return arg.type === 'Literal' ||
  arg.type === 'TemplateLiteral' && arg.expressions.length === 0;
}

var dynamicImportErrorMessage = 'Calls to import() should use string literals';

module.exports = {
  meta: {
    type: 'suggestion',
    docs: {
      category: 'Static analysis',
      description: 'Forbid `require()` calls with expressions.',
      url: (0, _docsUrl2['default'])('no-dynamic-require') },

    schema: [
    {
      type: 'object',
      properties: {
        esmodule: {
          type: 'boolean' } },


      additionalProperties: false }] },


  create: function () {function create(context) {
      var options = context.options[0] || {};

      return {
        CallExpression: function () {function CallExpression(node) {
            if (!node.arguments[0] || isStaticValue(node.arguments[0])) {
              return;
            }
            if (isRequire(node)) {
              return context.report({
                node: node,
                message: 'Calls to require() should use string literals' });

            }
            if (options.esmodule && isDynamicImport(node)) {
              return context.report({
                node: node,
                message: dynamicImportErrorMessage });

            }
          }return CallExpression;}(),
        ImportExpression: function () {function ImportExpression(node) {
            if (!options.esmodule || isStaticValue(node.source)) {
              return;
            }
            return context.report({
              node: node,
              message: dynamicImportErrorMessage });

          }return ImportExpression;}() };

    }return create;}() };
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