canonical/node_modules/eslint-plugin-import/lib/rules/namespace.js

Canonical code style linter and formatter for JavaScript, SCSS, CSS and JSON.

'use strict';

var _getIterator2 = require('babel-runtime/core-js/get-iterator');

var _getIterator3 = _interopRequireDefault(_getIterator2);

var _map = require('babel-runtime/core-js/map');

var _map2 = _interopRequireDefault(_map);

var _getExports = require('../core/getExports');

var _getExports2 = _interopRequireDefault(_getExports);

var _importDeclaration = require('../importDeclaration');

var _importDeclaration2 = _interopRequireDefault(_importDeclaration);

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

module.exports = function (context) {

  var namespaces = new _map2.default();

  function getImportsAndReport(namespace) {
    var declaration = (0, _importDeclaration2.default)(context);

    var imports = _getExports2.default.get(declaration.source.value, context);
    if (imports == null) return null;

    if (imports.errors.length) {
      imports.reportErrors(context, declaration);
      return;
    }

    if (!imports.hasNamed) {
      context.report(namespace, 'No exported names found in module \'' + declaration.source.value + '\'.');
    }

    return imports;
  }

  function message(identifier, namespace) {
    return '\'' + identifier.name + '\' not found in imported namespace ' + namespace.name + '.';
  }

  function declaredScope(name) {
    var references = context.getScope().references,
        i = undefined;
    for (i = 0; i < references.length; i++) {
      if (references[i].identifier.name === name) {
        break;
      }
    }
    if (!references[i]) return undefined;
    return references[i].resolved.scope.type;
  }

  return {
    'ImportNamespaceSpecifier': function ImportNamespaceSpecifier(namespace) {
      var imports = getImportsAndReport(namespace);
      if (imports == null) return;
      namespaces.set(namespace.local.name, imports.named);
    },

    // same as above, but does not add names to local map
    'ExportNamespaceSpecifier': function ExportNamespaceSpecifier(namespace) {
      getImportsAndReport(namespace);
    },

    // todo: check for possible redefinition

    'MemberExpression': function MemberExpression(dereference) {
      if (dereference.object.type !== 'Identifier') return;
      if (!namespaces.has(dereference.object.name)) return;

      if (dereference.parent.type === 'AssignmentExpression' && dereference.parent.left === dereference) {
        context.report(dereference.parent, 'Assignment to member of namespace \'' + dereference.object.name + '\'.');
      }

      if (dereference.computed) {
        context.report(dereference.property, 'Unable to validate computed reference to imported namespace \'' + dereference.object.name + '\'.');
        return;
      }

      var namespace = namespaces.get(dereference.object.name);
      if (!namespace.has(dereference.property.name)) {
        context.report(dereference.property, message(dereference.property, dereference.object));
      }
    },

    'VariableDeclarator': function VariableDeclarator(_ref) {
      var id = _ref.id;
      var init = _ref.init;

      if (init == null) return;
      if (id.type !== 'ObjectPattern') return;
      if (init.type !== 'Identifier') return;
      if (!namespaces.has(init.name)) return;

      // check for redefinition in intermediate scopes
      if (declaredScope(init.name) !== 'module') return;

      var namespace = namespaces.get(init.name);

      var _iteratorNormalCompletion = true;
      var _didIteratorError = false;
      var _iteratorError = undefined;

      try {
        for (var _iterator = (0, _getIterator3.default)(id.properties), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
          var property = _step.value;

          if (property.key.type !== 'Identifier') {
            context.report({
              node: property,
              message: 'Only destructure top-level names.'
            });
          } else if (!namespace.has(property.key.name)) {
            context.report({
              node: property,
              message: message(property.key, init)
            });
          }
        }
      } catch (err) {
        _didIteratorError = true;
        _iteratorError = err;
      } finally {
        try {
          if (!_iteratorNormalCompletion && _iterator.return) {
            _iterator.return();
          }
        } finally {
          if (_didIteratorError) {
            throw _iteratorError;
          }
        }
      }
    }
  };
};
//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["rules/namespace.js"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;AAGA,OAAO,OAAP,GAAiB,UAAU,OAAV,EAAmB;;AAElC,MAAM,aAAa,mBAAb,CAF4B;;AAIlC,WAAS,mBAAT,CAA6B,SAA7B,EAAwC;AACtC,QAAI,cAAc,iCAAkB,OAAlB,CAAd,CADkC;;AAGtC,QAAI,UAAU,qBAAQ,GAAR,CAAY,YAAY,MAAZ,CAAmB,KAAnB,EAA0B,OAAtC,CAAV,CAHkC;AAItC,QAAI,WAAW,IAAX,EAAiB,OAAO,IAAP,CAArB;;AAEA,QAAI,QAAQ,MAAR,CAAe,MAAf,EAAuB;AACzB,cAAQ,YAAR,CAAqB,OAArB,EAA8B,WAA9B,EADyB;AAEzB,aAFyB;KAA3B;;AAKA,QAAI,CAAC,QAAQ,QAAR,EAAkB;AACrB,cAAQ,MAAR,CAAe,SAAf,2CACwC,YAAY,MAAZ,CAAmB,KAAnB,QADxC,EADqB;KAAvB;;AAKA,WAAO,OAAP,CAhBsC;GAAxC;;AAmBA,WAAS,OAAT,CAAiB,UAAjB,EAA6B,SAA7B,EAAwC;AACtC,WAAO,OAAO,WAAW,IAAX,GACP,qCADA,GAEA,UAAU,IAAV,GAAiB,GAFjB,CAD+B;GAAxC;;AAMA,WAAS,aAAT,CAAuB,IAAvB,EAA6B;AAC3B,QAAI,aAAa,QAAQ,QAAR,GAAmB,UAAnB;QACb,aADJ,CAD2B;AAG3B,SAAK,IAAI,CAAJ,EAAO,IAAI,WAAW,MAAX,EAAmB,GAAnC,EAAwC;AACtC,UAAI,WAAW,CAAX,EAAc,UAAd,CAAyB,IAAzB,KAAkC,IAAlC,EAAwC;AAC1C,cAD0C;OAA5C;KADF;AAKA,QAAI,CAAC,WAAW,CAAX,CAAD,EAAgB,OAAO,SAAP,CAApB;AACA,WAAO,WAAW,CAAX,EAAc,QAAd,CAAuB,KAAvB,CAA6B,IAA7B,CAToB;GAA7B;;AAYA,SAAO;AACL,gCAA4B,kCAAU,SAAV,EAAqB;AAC/C,UAAM,UAAU,oBAAoB,SAApB,CAAV,CADyC;AAE/C,UAAI,WAAW,IAAX,EAAiB,OAArB;AACA,iBAAW,GAAX,CAAe,UAAU,KAAV,CAAgB,IAAhB,EAAsB,QAAQ,KAAR,CAArC,CAH+C;KAArB;;;AAO5B,gCAA4B,kCAAU,SAAV,EAAqB;AAC/C,0BAAoB,SAApB,EAD+C;KAArB;;;;AAM5B,wBAAoB,0BAAU,WAAV,EAAuB;AACzC,UAAI,YAAY,MAAZ,CAAmB,IAAnB,KAA4B,YAA5B,EAA0C,OAA9C;AACA,UAAI,CAAC,WAAW,GAAX,CAAe,YAAY,MAAZ,CAAmB,IAAnB,CAAhB,EAA0C,OAA9C;;AAEA,UAAI,YAAY,MAAZ,CAAmB,IAAnB,KAA4B,sBAA5B,IACA,YAAY,MAAZ,CAAmB,IAAnB,KAA4B,WAA5B,EAAyC;AACzC,gBAAQ,MAAR,CAAe,YAAY,MAAZ,2CAC2B,YAAY,MAAZ,CAAmB,IAAnB,QAD1C,EADyC;OAD7C;;AAMA,UAAI,YAAY,QAAZ,EAAsB;AACxB,gBAAQ,MAAR,CAAe,YAAY,QAAZ,EACb,mEACA,YAAY,MAAZ,CAAmB,IAAnB,GAA0B,KAD1B,CADF,CADwB;AAIxB,eAJwB;OAA1B;;AAOA,UAAI,YAAY,WAAW,GAAX,CAAe,YAAY,MAAZ,CAAmB,IAAnB,CAA3B,CAjBqC;AAkBzC,UAAI,CAAC,UAAU,GAAV,CAAc,YAAY,QAAZ,CAAqB,IAArB,CAAf,EAA2C;AAC7C,gBAAQ,MAAR,CAAgB,YAAY,QAAZ,EACA,QAAQ,YAAY,QAAZ,EAAsB,YAAY,MAAZ,CAD9C,EAD6C;OAA/C;KAlBkB;;AAyBpB,0BAAsB,kCAAwB;UAAZ,aAAY;UAAR,iBAAQ;;AAC5C,UAAI,QAAQ,IAAR,EAAc,OAAlB;AACA,UAAI,GAAG,IAAH,KAAY,eAAZ,EAA6B,OAAjC;AACA,UAAI,KAAK,IAAL,KAAc,YAAd,EAA4B,OAAhC;AACA,UAAI,CAAC,WAAW,GAAX,CAAe,KAAK,IAAL,CAAhB,EAA4B,OAAhC;;;AAJ4C,UAOxC,cAAc,KAAK,IAAL,CAAd,KAA6B,QAA7B,EAAuC,OAA3C;;AAEA,UAAM,YAAY,WAAW,GAAX,CAAe,KAAK,IAAL,CAA3B,CATsC;;;;;;;AAW5C,wDAAqB,GAAG,UAAH,QAArB,oGAAoC;cAA3B,uBAA2B;;AAClC,cAAI,SAAS,GAAT,CAAa,IAAb,KAAsB,YAAtB,EAAoC;AACtC,oBAAQ,MAAR,CAAe;AACb,oBAAM,QAAN;AACA,uBAAS,mCAAT;aAFF,EADsC;WAAxC,MAKO,IAAI,CAAC,UAAU,GAAV,CAAc,SAAS,GAAT,CAAa,IAAb,CAAf,EAAmC;AAC5C,oBAAQ,MAAR,CAAe;AACb,oBAAM,QAAN;AACA,uBAAS,QAAQ,SAAS,GAAT,EAAc,IAAtB,CAAT;aAFF,EAD4C;WAAvC;SANT;;;;;;;;;;;;;;OAX4C;KAAxB;GAvCxB,CAzCkC;CAAnB","file":"rules/namespace.js","sourcesContent":["import Exports from '../core/getExports'\nimport importDeclaration from '../importDeclaration'\n\nmodule.exports = function (context) {\n\n  const namespaces = new Map()\n\n  function getImportsAndReport(namespace) {\n    var declaration = importDeclaration(context)\n\n    var imports = Exports.get(declaration.source.value, context)\n    if (imports == null) return null\n\n    if (imports.errors.length) {\n      imports.reportErrors(context, declaration)\n      return\n    }\n\n    if (!imports.hasNamed) {\n      context.report(namespace,\n        `No exported names found in module '${declaration.source.value}'.`)\n    }\n\n    return imports\n  }\n\n  function message(identifier, namespace) {\n    return '\\'' + identifier.name +\n           '\\' not found in imported namespace ' +\n           namespace.name + '.'\n  }\n\n  function declaredScope(name) {\n    let references = context.getScope().references\n      , i\n    for (i = 0; i < references.length; i++) {\n      if (references[i].identifier.name === name) {\n        break\n      }\n    }\n    if (!references[i]) return undefined\n    return references[i].resolved.scope.type\n  }\n\n  return {\n    'ImportNamespaceSpecifier': function (namespace) {\n      const imports = getImportsAndReport(namespace)\n      if (imports == null) return\n      namespaces.set(namespace.local.name, imports.named)\n    },\n\n    // same as above, but does not add names to local map\n    'ExportNamespaceSpecifier': function (namespace) {\n      getImportsAndReport(namespace)\n    },\n\n    // todo: check for possible redefinition\n\n    'MemberExpression': function (dereference) {\n      if (dereference.object.type !== 'Identifier') return\n      if (!namespaces.has(dereference.object.name)) return\n\n      if (dereference.parent.type === 'AssignmentExpression' &&\n          dereference.parent.left === dereference) {\n          context.report(dereference.parent,\n              `Assignment to member of namespace '${dereference.object.name}'.`)\n      }\n\n      if (dereference.computed) {\n        context.report(dereference.property,\n          'Unable to validate computed reference to imported namespace \\'' +\n          dereference.object.name + '\\'.')\n        return\n      }\n\n      var namespace = namespaces.get(dereference.object.name)\n      if (!namespace.has(dereference.property.name)) {\n        context.report( dereference.property\n                      , message(dereference.property, dereference.object)\n                      )\n      }\n    },\n\n    'VariableDeclarator': function ({ id, init }) {\n      if (init == null) return\n      if (id.type !== 'ObjectPattern') return\n      if (init.type !== 'Identifier') return\n      if (!namespaces.has(init.name)) return\n\n      // check for redefinition in intermediate scopes\n      if (declaredScope(init.name) !== 'module') return\n\n      const namespace = namespaces.get(init.name)\n\n      for (let property of id.properties) {\n        if (property.key.type !== 'Identifier') {\n          context.report({\n            node: property,\n            message: 'Only destructure top-level names.',\n          })\n        } else if (!namespace.has(property.key.name)) {\n          context.report({\n            node: property,\n            message: message(property.key, init),\n          })\n        }\n      }\n    },\n  }\n}\n"]}