no-mutable-exports.js

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

module.exports = {
  meta: {
    type: 'suggestion',
    docs: {
      category: 'Helpful warnings',
      description: 'Forbid the use of mutable exports with `var` or `let`.',
      url: (0, _docsUrl2['default'])('no-mutable-exports') },

    schema: [] },


  create: function () {function create(context) {
      function checkDeclaration(node) {var
        kind = node.kind;
        if (kind === 'var' || kind === 'let') {
          context.report(node, 'Exporting mutable \'' + String(kind) + '\' binding, use \'const\' instead.');
        }
      }

      function checkDeclarationsInScope(_ref, name) {var variables = _ref.variables;var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {
          for (var _iterator = variables[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var variable = _step.value;
            if (variable.name === name) {var _iteratorNormalCompletion2 = true;var _didIteratorError2 = false;var _iteratorError2 = undefined;try {
                for (var _iterator2 = variable.defs[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {var def = _step2.value;
                  if (def.type === 'Variable' && def.parent) {
                    checkDeclaration(def.parent);
                  }
                }} catch (err) {_didIteratorError2 = true;_iteratorError2 = err;} finally {try {if (!_iteratorNormalCompletion2 && _iterator2['return']) {_iterator2['return']();}} finally {if (_didIteratorError2) {throw _iteratorError2;}}}
            }
          }} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
      }

      function handleExportDefault(node) {
        var scope = context.getScope();

        if (node.declaration.name) {
          checkDeclarationsInScope(scope, node.declaration.name);
        }
      }

      function handleExportNamed(node) {
        var scope = context.getScope();

        if (node.declaration) {
          checkDeclaration(node.declaration);
        } else if (!node.source) {var _iteratorNormalCompletion3 = true;var _didIteratorError3 = false;var _iteratorError3 = undefined;try {
            for (var _iterator3 = node.specifiers[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {var specifier = _step3.value;
              checkDeclarationsInScope(scope, specifier.local.name);
            }} catch (err) {_didIteratorError3 = true;_iteratorError3 = err;} finally {try {if (!_iteratorNormalCompletion3 && _iterator3['return']) {_iterator3['return']();}} finally {if (_didIteratorError3) {throw _iteratorError3;}}}
        }
      }

      return {
        ExportDefaultDeclaration: handleExportDefault,
        ExportNamedDeclaration: handleExportNamed };

    }return create;}() };
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