text: "use strict";
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = function (d, b) {
          extendStatics = Object.setPrototypeOf ||
              ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
              function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
          return extendStatics(d, b);
      };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  Object.defineProperty(exports, "__esModule", { value: true });
  var sprintf_js_1 = require("sprintf-js");
  var rules_1 = require("tslint/lib/rules");
  var typescript_1 = require("typescript/lib/typescript");
  var utils_1 = require("./util/utils");
  var PIPE_TRANSFORM = 'PipeTransform';
  var Rule = (function (_super) {
      __extends(Rule, _super);
      function Rule() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      Rule.prototype.apply = function (sourceFile) {
          return this.applyWithFunction(sourceFile, walk);
      };
      Rule.metadata = {
          description: "Ensures that classes implementing " + PIPE_TRANSFORM + " interface use @" + utils_1.MetadataTypes.Pipe + " decorator.",
          options: null,
          optionsDescription: 'Not configurable.',
          ruleName: 'use-pipe-decorator',
          type: 'maintainability',
          typescriptOnly: true
      };
      Rule.FAILURE_STRING = "Classes that implement the " + PIPE_TRANSFORM + " interface should be decorated with @" + utils_1.MetadataTypes.Pipe;
      return Rule;
  }(rules_1.AbstractRule));
  exports.Rule = Rule;
  var hasPipeDecorator = function (node) { return !!utils_1.getDecorator(node, utils_1.MetadataTypes.Pipe); };
  var hasPipeTransformInterface = function (node) { return !!utils_1.getDeclaredInterfaceName(node, PIPE_TRANSFORM); };
  var validateClassDeclaration = function (context, node) {
      if (!hasPipeTransformInterface(node) || hasPipeDecorator(node))
          return;
      context.addFailureAtNode(node, sprintf_js_1.sprintf(Rule.FAILURE_STRING));
  };
  var walk = function (context) {
      var sourceFile = context.sourceFile;
      var callback = function (node) {
          if (typescript_1.isClassDeclaration(node))
              validateClassDeclaration(context, node);
          typescript_1.forEachChild(node, callback);
      };
      typescript_1.forEachChild(sourceFile, callback);
  };
  