default.js 4.27 KB
'use strict';var _ExportMap = require('../ExportMap');var _ExportMap2 = _interopRequireDefault(_ExportMap);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}

module.exports = {
  meta: {
    type: 'problem',
    docs: {
      url: (0, _docsUrl2.default)('default') },

    schema: [] },


  create: function (context) {

    function checkDefault(specifierType, node) {

      const defaultSpecifier = node.specifiers.find(
      specifier => specifier.type === specifierType);


      if (!defaultSpecifier) return;
      var imports = _ExportMap2.default.get(node.source.value, context);
      if (imports == null) return;

      if (imports.errors.length) {
        imports.reportErrors(context, node);
      } else if (imports.get('default') === undefined) {
        context.report({
          node: defaultSpecifier,
          message: `No default export found in imported module "${node.source.value}".` });

      }
    }

    return {
      'ImportDeclaration': checkDefault.bind(null, 'ImportDefaultSpecifier'),
      'ExportNamedDeclaration': checkDefault.bind(null, 'ExportDefaultSpecifier') };

  } };
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