'use strict';var _declaredScope = require('eslint-module-utils/declaredScope');var _declaredScope2 = _interopRequireDefault(_declaredScope);
var _builder = require('../exportMap/builder');var _builder2 = _interopRequireDefault(_builder);
var _exportMap = require('../exportMap');var _exportMap2 = _interopRequireDefault(_exportMap);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}

function message(deprecation) {
  return 'Deprecated' + (deprecation.description ? ': ' + String(deprecation.description) : '.');
}

function getDeprecation(metadata) {
  if (!metadata || !metadata.doc) {return;}

  return metadata.doc.tags.find(function (t) {return t.title === 'deprecated';});
}

module.exports = {
  meta: {
    type: 'suggestion',
    docs: {
      category: 'Helpful warnings',
      description: 'Forbid imported names marked with `@deprecated` documentation tag.',
      url: (0, _docsUrl2['default'])('no-deprecated') },

    schema: [] },


  create: function () {function create(context) {
      var deprecated = new Map();
      var namespaces = new Map();

      function checkSpecifiers(node) {
        if (node.type !== 'ImportDeclaration') {return;}
        if (node.source == null) {return;} // local export, ignore

        var imports = _builder2['default'].get(node.source.value, context);
        if (imports == null) {return;}

        var moduleDeprecation = imports.doc && imports.doc.tags.find(function (t) {return t.title === 'deprecated';});
        if (moduleDeprecation) {
          context.report({ node: node, message: message(moduleDeprecation) });
        }

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

        node.specifiers.forEach(function (im) {
          var imported = void 0;var local = void 0;
          switch (im.type) {

            case 'ImportNamespaceSpecifier':{
                if (!imports.size) {return;}
                namespaces.set(im.local.name, imports);
                return;
              }

            case 'ImportDefaultSpecifier':
              imported = 'default';
              local = im.local.name;
              break;

            case 'ImportSpecifier':
              imported = im.imported.name;
              local = im.local.name;
              break;

            default:return; // can't handle this one
          }

          // unknown thing can't be deprecated
          var exported = imports.get(imported);
          if (exported == null) {return;}

          // capture import of deep namespace
          if (exported.namespace) {namespaces.set(local, exported.namespace);}

          var deprecation = getDeprecation(imports.get(imported));
          if (!deprecation) {return;}

          context.report({ node: im, message: message(deprecation) });

          deprecated.set(local, deprecation);

        });
      }

      return {
        Program: function () {function Program(_ref) {var body = _ref.body;return body.forEach(checkSpecifiers);}return Program;}(),

        Identifier: function () {function Identifier(node) {
            if (node.parent.type === 'MemberExpression' && node.parent.property === node) {
              return; // handled by MemberExpression
            }

            // ignore specifier identifiers
            if (node.parent.type.slice(0, 6) === 'Import') {return;}

            if (!deprecated.has(node.name)) {return;}

            if ((0, _declaredScope2['default'])(context, node.name, node) !== 'module') {return;}
            context.report({
              node: node,
              message: message(deprecated.get(node.name)) });

          }return Identifier;}(),

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

            if ((0, _declaredScope2['default'])(context, dereference.object.name, dereference) !== 'module') {return;}

            // go deep
            var namespace = namespaces.get(dereference.object.name);
            var namepath = [dereference.object.name];
            // while property is namespace and parent is member expression, keep validating
            while (namespace instanceof _exportMap2['default'] && dereference.type === 'MemberExpression') {
              // ignore computed parts for now
              if (dereference.computed) {return;}

              var metadata = namespace.get(dereference.property.name);

              if (!metadata) {break;}
              var deprecation = getDeprecation(metadata);

              if (deprecation) {
                context.report({ node: dereference.property, message: message(deprecation) });
              }

              // stash and pop
              namepath.push(dereference.property.name);
              namespace = metadata.namespace;
              dereference = dereference.parent;
            }
          }return MemberExpression;}() };

    }return create;}() };
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