babel-plugin-transform-export-default-name/dist/index.js

Babel plugin that transforms default exports to named exports.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

var _deriveName = require('./deriveName');

var _deriveName2 = _interopRequireDefault(_deriveName);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = (_ref) => {
  var t = _ref.types;

  var replace = (path, name, replacement) => {
    var id = t.identifier(name);

    var _path$replaceWithMult = path.replaceWithMultiple([t.variableDeclaration('const', [t.variableDeclarator(id, replacement)]), t.exportDefaultDeclaration(id)]),
        _path$replaceWithMult2 = _slicedToArray(_path$replaceWithMult, 1),
        varDeclPath = _path$replaceWithMult2[0];

    path.scope.registerDeclaration(varDeclPath);
  };

  return {
    visitor: {
      ExportDefaultDeclaration(path, state) {
        var declaration = path.node.declaration;

        if (declaration.id && declaration.id.name) {
          return;
        }

        var name = (0, _deriveName2.default)(state, path.scope);

        if (t.isArrowFunctionExpression(declaration)) {
          var declarationReplacement = t.arrowFunctionExpression(declaration.params, declaration.body, declaration.generator);

          declarationReplacement.async = declaration.async;

          replace(path, name, declarationReplacement);

          return;
        }

        if (t.isFunctionDeclaration(declaration)) {
          var _declarationReplacement = t.functionExpression(null, declaration.params, declaration.body, declaration.generator);

          _declarationReplacement.async = declaration.async;

          replace(path, name, _declarationReplacement);

          return;
        }

        if (t.isFunctionExpression(declaration)) {
          var _declarationReplacement2 = t.functionExpression(null, declaration.params, declaration.body, declaration.generator);

          _declarationReplacement2.async = declaration.async;

          replace(path, name, _declarationReplacement2);

          return;
        }

        if (t.isClassDeclaration(declaration)) {
          var _declarationReplacement3 = t.classExpression(null, declaration.superClass, declaration.body, declaration.decorators || []);

          replace(path, name, _declarationReplacement3);

          // eslint-disable-next-line no-useless-return
          return;
        }
      }
    }
  };
};