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 __());
      };
  })();
  var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
      if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
      return cooked;
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.Rule = void 0;
  var rules_1 = require("tslint/lib/rules");
  var utils_1 = require("tslint/lib/utils");
  var typescript_1 = require("typescript/lib/typescript");
  var ngWalker_1 = require("./angular/ngWalker");
  var utils_2 = require("./util/utils");
  var ON_PUSH = 'OnPush';
  var Rule = (function (_super) {
      __extends(Rule, _super);
      function Rule() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      Rule.prototype.apply = function (sourceFile) {
          var walker = new Walker(sourceFile, this.getOptions());
          return this.applyWithWalker(walker);
      };
      Rule.metadata = {
          description: "Enforces component's change detection to ChangeDetectionStrategy." + ON_PUSH + ".",
          options: null,
          optionsDescription: 'Not configurable.',
          rationale: utils_1.dedent(templateObject_1 || (templateObject_1 = __makeTemplateObject(["\n      By default Angular uses the ChangeDetectionStrategy.Default.\n\n      This strategy doesn\u2019t assume anything about the application, therefore every time something changes in our application, as a result of various user events, timers, XHR, promises, etc., a change detection will run on all components.\n\n      By using ChangeDetectionStrategy.", ", Angular will only run the change detection cycle in the following cases:\n      * Inputs references change.\n      * An event originated from the component or one of its children.\n      * If manually called.\n    "], ["\n      By default Angular uses the ChangeDetectionStrategy.Default.\n\n      This strategy doesn\u2019t assume anything about the application, therefore every time something changes in our application, as a result of various user events, timers, XHR, promises, etc., a change detection will run on all components.\n\n      By using ChangeDetectionStrategy.", ", Angular will only run the change detection cycle in the following cases:\n      * Inputs references change.\n      * An event originated from the component or one of its children.\n      * If manually called.\n    "])), ON_PUSH),
          ruleName: 'prefer-on-push-component-change-detection',
          type: 'functionality',
          typescriptOnly: true,
      };
      Rule.FAILURE_STRING = "The changeDetection value of a component should be set to ChangeDetectionStrategy." + ON_PUSH;
      return Rule;
  }(rules_1.AbstractRule));
  exports.Rule = Rule;
  var Walker = (function (_super) {
      __extends(Walker, _super);
      function Walker() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      Walker.prototype.visitNgComponent = function (metadata) {
          this.validateComponent(metadata);
          _super.prototype.visitNgComponent.call(this, metadata);
      };
      Walker.prototype.validateComponent = function (metadata) {
          var metadataDecorator = metadata.decorator;
          var changeDetectionExpression = utils_2.getDecoratorPropertyInitializer(metadataDecorator, 'changeDetection');
          if (!changeDetectionExpression) {
              this.addFailureAtNode(metadataDecorator, Rule.FAILURE_STRING);
          }
          else if (typescript_1.isPropertyAccessExpression(changeDetectionExpression) && changeDetectionExpression.name.text !== ON_PUSH) {
              this.addFailureAtNode(changeDetectionExpression, Rule.FAILURE_STRING);
          }
      };
      return Walker;
  }(ngWalker_1.NgWalker));
  var templateObject_1;
  