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node_modules/eslint-plugin-import/lib/rules/exports-last.js 4.1 KB
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  'use strict';
  
  var _docsUrl = require('../docsUrl');
  
  var _docsUrl2 = _interopRequireDefault(_docsUrl);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function isNonExportStatement(_ref) {
    let type = _ref.type;
  
    return type !== 'ExportDefaultDeclaration' && type !== 'ExportNamedDeclaration' && type !== 'ExportAllDeclaration';
  }
  
  module.exports = {
    meta: {
      docs: {
        url: (0, _docsUrl2.default)('exports-last')
      }
    },
  
    create: function (context) {
      return {
        Program: function (_ref2) {
          let body = _ref2.body;
  
          const lastNonExportStatementIndex = body.reduce(function findLastIndex(acc, item, index) {
            if (isNonExportStatement(item)) {
              return index;
            }
            return acc;
          }, -1);
  
          if (lastNonExportStatementIndex !== -1) {
            body.slice(0, lastNonExportStatementIndex).forEach(function checkNonExport(node) {
              if (!isNonExportStatement(node)) {
                context.report({
                  node,
                  message: 'Export statements should appear at the end of the file'
                });
              }
            });
          }
        }
      };
    }
  };
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