{"version":3,"file":"index.js","names":["module","exports","template","pluginOptions","addModuleExportsDefaults","path","finder","ExportsFinder","isOnlyExportsDefault","isAmd","rootPath","getRootPath","node","body","push","addDefaultProperty","ExportsDefaultVisitor","CallExpression","get","matchesPattern","identifier","prop","objectName","propertyName","AssignmentExpression","visitor","Program","state","opts","post","fileMap","traverse","exportsDefaultPath","hasExportsDefault","hasExportsNamed","hasModuleExports","findParent","key","parentPath","forEach","isVariableDeclaration","findExports","isExpressionStatement","isAssignmentExpression","findExportsInCallExpression","property","self","hasntAmdRoot","amdRoot","isCallExpression"],"sources":["../src/index.js"],"sourcesContent":["// 1. find to `exports.default`\n// 2. find to all Expression(`exports.default`, `exports.foo` etc)\n// 3. add `module.exports` if exists only `exports.default` assignment\n// The above works after executing `preset-env`(transform-es2015-modules-*) in `Plugin.post`\n\nmodule.exports = ({ template }) => {\n  let pluginOptions\n\n  function addModuleExportsDefaults(path) {\n    const finder = new ExportsFinder(path)\n    if (!finder.isOnlyExportsDefault()) {\n      return\n    }\n    if (finder.isAmd()) {\n      return\n    }\n    const rootPath = finder.getRootPath()\n\n    // HACK: `path.node.body.push` instead of path.pushContainer(due doesn't work in Plugin.post)\n    rootPath.node.body.push(template('module.exports = exports.default')())\n    if (pluginOptions.addDefaultProperty) {\n      rootPath.node.body.push(template('module.exports.default = exports.default')())\n    }\n  }\n\n  const ExportsDefaultVisitor = {\n    CallExpression(path) {\n      if (!path.get('callee').matchesPattern('Object.defineProperty')) {\n        return\n      }\n\n      const [identifier, prop] = path.get('arguments')\n      const objectName = identifier.get('name').node\n      const propertyName = prop.get('value').node\n\n      if ((objectName === 'exports' || objectName === '_exports') && propertyName === 'default') {\n        addModuleExportsDefaults(path)\n      }\n    },\n    AssignmentExpression(path) {\n      if (\n        path.get('left').matchesPattern('exports.default') ||\n        path.get('left').matchesPattern('_exports.default')\n      ) {\n        addModuleExportsDefaults(path)\n      }\n    }\n  }\n\n  return {\n    visitor: {\n      Program(path, state) {\n        // HACK: can't get plugin options in Plugin.post\n        pluginOptions = state.opts\n      }\n    },\n    post(fileMap) {\n      fileMap.path.traverse(ExportsDefaultVisitor)\n    }\n  }\n}\n\nclass ExportsFinder {\n  constructor(exportsDefaultPath) {\n    this.path = exportsDefaultPath\n    this.hasExportsDefault = false\n    this.hasExportsNamed = false\n    this.hasModuleExports = false\n  }\n\n  getRootPath() {\n    return this.path.findParent(path => {\n      return path.key === 'body' || 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const propertyName =\n      path.get(`${property}.left.property.name`).node ||\n      path.get(`${property}.left.property.value`).node\n    if (objectName === 'exports' || objectName === '_exports') {\n      if (propertyName === 'default') {\n        this.hasExportsDefault = true\n        this.findExports(path.get(property), 'right')\n      } else if (propertyName !== '__esModule') {\n        this.hasExportsNamed = true\n      }\n    }\n    if (`${objectName}.${propertyName}` === 'module.exports') {\n      this.hasModuleExports = true\n    }\n  }\n\n  findExportsInCallExpression(path) {\n    const self = this\n    path.traverse({\n      CallExpression(path) {\n        if (!path.get('callee').matchesPattern('Object.defineProperty')) {\n          return\n        }\n\n        const [identifier, prop] = path.get('arguments')\n        const objectName = identifier.get('name').node\n        const propertyName = prop.get('value').node\n\n        if (\n          (objectName === 'exports' || objectName === '_exports') &&\n          propertyName !== '__esModule'\n        ) {\n          if (propertyName === 'default') {\n            self.hasExportsDefault = true\n          } else {\n            self.hasExportsNamed = true\n          }\n        }\n      }\n    })\n  }\n\n  isAmd() {\n    const rootPath = this.getRootPath()\n    const hasntAmdRoot = !(rootPath.parentPath && rootPath.parentPath.parentPath)\n    if (hasntAmdRoot) {\n      return false\n    }\n\n    const amdRoot = rootPath.parentPath.parentPath\n    if (!amdRoot.isCallExpression()) {\n      return false\n    }\n    if (amdRoot.get('callee.name').node === 'define') {\n      return true\n    }\n    return false\n  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