From 48f4772d804aa463a9df1815a3464be3917304a4 Mon Sep 17 00:00:00 2001
From: Uday Vunnam <20707504+udayvunnam@users.noreply.github.com>
Date: Mon, 3 Jan 2022 10:30:37 +0530
Subject: [PATCH] fix: respect angular guard checks and do not navigate if
 authGuard check returns false (#114)

---
 .gitignore                                    |   2 +
 angular.json                                  |   2 +
 .../breadcrumb-demo/src/app/app.component.css |  17 ++--
 .../app/connect/connect/connect.component.css |   7 +-
 apps/breadcrumb-demo/src/styles.css           |  18 ++--
 apps/with-gaurd-check-e2e/.eslintrc.json      |  10 ++
 apps/with-gaurd-check-e2e/cypress.json        |  12 +++
 apps/with-gaurd-check-e2e/project.json        |  28 ++++++
 .../src/fixtures/example.json                 |   4 +
 .../src/integration/app.spec.ts               |  36 +++++++
 .../src/support/app.po.ts                     |   1 +
 .../src/support/commands.ts                   |  33 +++++++
 .../with-gaurd-check-e2e/src/support/index.ts |  17 ++++
 apps/with-gaurd-check-e2e/tsconfig.json       |  19 ++++
 apps/with-gaurd-check/.browserslistrc         |  16 +++
 apps/with-gaurd-check/.eslintrc.json          |  36 +++++++
 apps/with-gaurd-check/jest.config.js          |  21 ++++
 apps/with-gaurd-check/project.json            |  93 ++++++++++++++++++
 .../src/app/app-routing.module.ts             |  44 +++++++++
 .../src/app/app.component.css                 |   0
 .../src/app/app.component.html                |   9 ++
 .../with-gaurd-check/src/app/app.component.ts |  10 ++
 apps/with-gaurd-check/src/app/app.module.ts   |  20 ++++
 .../src/app/page-guard.service.ts             |  35 +++++++
 .../src/app/page1.component.ts                |   7 ++
 .../src/app/page2-child.component.ts          |   7 ++
 .../src/app/page2.component.ts                |   7 ++
 apps/with-gaurd-check/src/assets/.gitkeep     |   0
 .../src/environments/environment.prod.ts      |   3 +
 .../src/environments/environment.ts           |  16 +++
 apps/with-gaurd-check/src/favicon.ico         | Bin 0 -> 15086 bytes
 apps/with-gaurd-check/src/index.html          |  13 +++
 apps/with-gaurd-check/src/main.ts             |  13 +++
 apps/with-gaurd-check/src/polyfills.ts        |  52 ++++++++++
 apps/with-gaurd-check/src/styles.css          |   1 +
 apps/with-gaurd-check/src/test-setup.ts       |   1 +
 apps/with-gaurd-check/tsconfig.app.json       |  10 ++
 apps/with-gaurd-check/tsconfig.editor.json    |   7 ++
 apps/with-gaurd-check/tsconfig.json           |  27 +++++
 apps/with-gaurd-check/tsconfig.spec.json      |  10 ++
 .../src/lib/breadcrumb.component.ts           |   4 +-
 .../src/lib/breadcrumb.service.ts             |  12 +--
 42 files changed, 653 insertions(+), 27 deletions(-)
 create mode 100644 apps/with-gaurd-check-e2e/.eslintrc.json
 create mode 100644 apps/with-gaurd-check-e2e/cypress.json
 create mode 100644 apps/with-gaurd-check-e2e/project.json
 create mode 100644 apps/with-gaurd-check-e2e/src/fixtures/example.json
 create mode 100644 apps/with-gaurd-check-e2e/src/integration/app.spec.ts
 create mode 100644 apps/with-gaurd-check-e2e/src/support/app.po.ts
 create mode 100644 apps/with-gaurd-check-e2e/src/support/commands.ts
 create mode 100644 apps/with-gaurd-check-e2e/src/support/index.ts
 create mode 100644 apps/with-gaurd-check-e2e/tsconfig.json
 create mode 100644 apps/with-gaurd-check/.browserslistrc
 create mode 100644 apps/with-gaurd-check/.eslintrc.json
 create mode 100644 apps/with-gaurd-check/jest.config.js
 create mode 100644 apps/with-gaurd-check/project.json
 create mode 100644 apps/with-gaurd-check/src/app/app-routing.module.ts
 create mode 100644 apps/with-gaurd-check/src/app/app.component.css
 create mode 100644 apps/with-gaurd-check/src/app/app.component.html
 create mode 100644 apps/with-gaurd-check/src/app/app.component.ts
 create mode 100644 apps/with-gaurd-check/src/app/app.module.ts
 create mode 100644 apps/with-gaurd-check/src/app/page-guard.service.ts
 create mode 100644 apps/with-gaurd-check/src/app/page1.component.ts
 create mode 100644 apps/with-gaurd-check/src/app/page2-child.component.ts
 create mode 100644 apps/with-gaurd-check/src/app/page2.component.ts
 create mode 100644 apps/with-gaurd-check/src/assets/.gitkeep
 create mode 100644 apps/with-gaurd-check/src/environments/environment.prod.ts
 create mode 100644 apps/with-gaurd-check/src/environments/environment.ts
 create mode 100644 apps/with-gaurd-check/src/favicon.ico
 create mode 100644 apps/with-gaurd-check/src/index.html
 create mode 100644 apps/with-gaurd-check/src/main.ts
 create mode 100644 apps/with-gaurd-check/src/polyfills.ts
 create mode 100644 apps/with-gaurd-check/src/styles.css
 create mode 100644 apps/with-gaurd-check/src/test-setup.ts
 create mode 100644 apps/with-gaurd-check/tsconfig.app.json
 create mode 100644 apps/with-gaurd-check/tsconfig.editor.json
 create mode 100644 apps/with-gaurd-check/tsconfig.json
 create mode 100644 apps/with-gaurd-check/tsconfig.spec.json

diff --git a/.gitignore b/.gitignore
index 84c8d4f..b54b45a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ testem.log
 # System Files
 .DS_Store
 Thumbs.db
+
+.angular
diff --git a/angular.json b/angular.json
index 588e25b..4e924c4 100644
--- a/angular.json
+++ b/angular.json
@@ -8,6 +8,8 @@
     "got-demo-e2e": "apps/got-demo-e2e",
     "simple-demo": "apps/simple-demo",
     "simple-demo-e2e": "apps/simple-demo-e2e",
+    "with-gaurd-check": "apps/with-gaurd-check",
+    "with-gaurd-check-e2e": "apps/with-gaurd-check-e2e",
     "xng-breadcrumb": "libs/xng-breadcrumb"
   }
 }
diff --git a/apps/breadcrumb-demo/src/app/app.component.css b/apps/breadcrumb-demo/src/app/app.component.css
index 0cc00a3..3575586 100644
--- a/apps/breadcrumb-demo/src/app/app.component.css
+++ b/apps/breadcrumb-demo/src/app/app.component.css
@@ -5,15 +5,16 @@
 
 .route-container {
   padding: 16px;
+}
 
-  div {
-    display: flex;
-    flex-direction: row;
-    align-items: center;
-    label {
-      min-width: 240px;
-    }
-  }
+.route-container div {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+}
+
+.route-container div label {
+  min-width: 240px;
 }
 
 @media (max-width: 960px) {
diff --git a/apps/breadcrumb-demo/src/app/connect/connect/connect.component.css b/apps/breadcrumb-demo/src/app/connect/connect/connect.component.css
index a563ed3..29ba0d4 100644
--- a/apps/breadcrumb-demo/src/app/connect/connect/connect.component.css
+++ b/apps/breadcrumb-demo/src/app/connect/connect/connect.component.css
@@ -1,7 +1,8 @@
 .connect {
   display: flex;
   justify-content: center;
-  button {
-    width: 200px;
-  }
+}
+
+.connect button {
+  width: 200px;
 }
diff --git a/apps/breadcrumb-demo/src/styles.css b/apps/breadcrumb-demo/src/styles.css
index e33c902..062cedd 100644
--- a/apps/breadcrumb-demo/src/styles.css
+++ b/apps/breadcrumb-demo/src/styles.css
@@ -11,9 +11,10 @@ body {
   margin-top: 16px;
   justify-content: flex-end;
   display: flex;
-  > *:not(:last-child) {
-    margin-right: 16px;
-  }
+}
+
+.button-row > *:not(:last-child) {
+  margin-right: 16px;
 }
 
 .label {
@@ -64,9 +65,10 @@ body {
 
 .custom-breadcrumb.xng-breadcrumb-root {
   background-color: #fff;
-  .xng-breadcrumb-item {
-    border-radius: 16px;
-    background-color: #f5f5f5;
-    padding: 4px 8px;
-  }
+}
+
+.custom-breadcrumb.xng-breadcrumb-root .xng-breadcrumb-item {
+  border-radius: 16px;
+  background-color: #f5f5f5;
+  padding: 4px 8px;
 }
diff --git a/apps/with-gaurd-check-e2e/.eslintrc.json b/apps/with-gaurd-check-e2e/.eslintrc.json
new file mode 100644
index 0000000..696cb8b
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/.eslintrc.json
@@ -0,0 +1,10 @@
+{
+  "extends": ["plugin:cypress/recommended", "../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts", "*.tsx", "*.js", "*.jsx"],
+      "rules": {}
+    }
+  ]
+}
diff --git a/apps/with-gaurd-check-e2e/cypress.json b/apps/with-gaurd-check-e2e/cypress.json
new file mode 100644
index 0000000..5bb54e1
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/cypress.json
@@ -0,0 +1,12 @@
+{
+  "fileServerFolder": ".",
+  "fixturesFolder": "./src/fixtures",
+  "integrationFolder": "./src/integration",
+  "modifyObstructiveCode": false,
+  "supportFile": "./src/support/index.ts",
+  "pluginsFile": false,
+  "video": false,
+  "videosFolder": "../../dist/cypress/apps/with-gaurd-check-e2e/videos",
+  "screenshotsFolder": "../../dist/cypress/apps/with-gaurd-check-e2e/screenshots",
+  "chromeWebSecurity": false
+}
diff --git a/apps/with-gaurd-check-e2e/project.json b/apps/with-gaurd-check-e2e/project.json
new file mode 100644
index 0000000..a16df73
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/project.json
@@ -0,0 +1,28 @@
+{
+  "root": "apps/with-gaurd-check-e2e",
+  "sourceRoot": "apps/with-gaurd-check-e2e/src",
+  "projectType": "application",
+  "targets": {
+    "e2e": {
+      "executor": "@nrwl/cypress:cypress",
+      "options": {
+        "cypressConfig": "apps/with-gaurd-check-e2e/cypress.json",
+        "devServerTarget": "with-gaurd-check:serve:development"
+      },
+      "configurations": {
+        "production": {
+          "devServerTarget": "with-gaurd-check:serve:production"
+        }
+      }
+    },
+    "lint": {
+      "executor": "@nrwl/linter:eslint",
+      "outputs": ["{options.outputFile}"],
+      "options": {
+        "lintFilePatterns": ["apps/with-gaurd-check-e2e/**/*.{js,ts}"]
+      }
+    }
+  },
+  "tags": [],
+  "implicitDependencies": ["with-gaurd-check"]
+}
diff --git a/apps/with-gaurd-check-e2e/src/fixtures/example.json b/apps/with-gaurd-check-e2e/src/fixtures/example.json
new file mode 100644
index 0000000..294cbed
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/src/fixtures/example.json
@@ -0,0 +1,4 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io"
+}
diff --git a/apps/with-gaurd-check-e2e/src/integration/app.spec.ts b/apps/with-gaurd-check-e2e/src/integration/app.spec.ts
new file mode 100644
index 0000000..cf266da
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/src/integration/app.spec.ts
@@ -0,0 +1,36 @@
+describe('with-gaurd-check', () => {
+  it('should contain breadcrumbs for page1', () => {
+    cy.visit('/');
+    cy.get('.xng-breadcrumb-list').contains('Page 1');
+    cy.get('button').contains('To Page 2 Child').click();
+    cy.get('.xng-breadcrumb-list').contains('Page2 child');
+  });
+
+  it('Auth guard false should block navigation from breadcrumb', () => {
+    cy.get('button').contains('Back to Page 1').click();
+    cy.on('window:confirm', (text) => {
+      expect(text).to.contains(
+        'Are you sure you want to navigate away before saving changes?'
+      );
+      return false;
+    });
+    cy.get('.xng-breadcrumb-list').contains('Page2 child'); // navigation didn't happen
+    cy.location().should((loc) => {
+      expect(loc.pathname).to.eq('/page2/page2-child');
+    });
+  });
+
+  it('Auth guard true should allow navigation from breadcrumb', () => {
+    cy.get('button').contains('Back to Page 1').click();
+    cy.on('window:confirm', (text) => {
+      expect(text).to.contains(
+        'Are you sure you want to navigate away before saving changes?'
+      );
+      return true;
+    });
+    cy.get('.xng-breadcrumb-list').contains('Page2 child').should('not.exist'); // navigation happen
+    cy.location().should((loc) => {
+      expect(loc.pathname).to.eq('/page1');
+    });
+  });
+});
diff --git a/apps/with-gaurd-check-e2e/src/support/app.po.ts b/apps/with-gaurd-check-e2e/src/support/app.po.ts
new file mode 100644
index 0000000..3293424
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/src/support/app.po.ts
@@ -0,0 +1 @@
+export const getGreeting = () => cy.get('h1');
diff --git a/apps/with-gaurd-check-e2e/src/support/commands.ts b/apps/with-gaurd-check-e2e/src/support/commands.ts
new file mode 100644
index 0000000..310f1fa
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/src/support/commands.ts
@@ -0,0 +1,33 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+
+// eslint-disable-next-line @typescript-eslint/no-namespace
+declare namespace Cypress {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  interface Chainable<Subject> {
+    login(email: string, password: string): void;
+  }
+}
+//
+// -- This is a parent command --
+Cypress.Commands.add('login', (email, password) => {
+  console.log('Custom command example: Login', email, password);
+});
+//
+// -- This is a child command --
+// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })
diff --git a/apps/with-gaurd-check-e2e/src/support/index.ts b/apps/with-gaurd-check-e2e/src/support/index.ts
new file mode 100644
index 0000000..3d469a6
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/src/support/index.ts
@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';
diff --git a/apps/with-gaurd-check-e2e/tsconfig.json b/apps/with-gaurd-check-e2e/tsconfig.json
new file mode 100644
index 0000000..8ff0a82
--- /dev/null
+++ b/apps/with-gaurd-check-e2e/tsconfig.json
@@ -0,0 +1,19 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "sourceMap": false,
+    "outDir": "../../dist/out-tsc",
+    "allowJs": true,
+    "types": ["cypress", "node"],
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "include": ["src/**/*.ts", "src/**/*.js"],
+  "angularCompilerOptions": {
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}
diff --git a/apps/with-gaurd-check/.browserslistrc b/apps/with-gaurd-check/.browserslistrc
new file mode 100644
index 0000000..4f9ac26
--- /dev/null
+++ b/apps/with-gaurd-check/.browserslistrc
@@ -0,0 +1,16 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# For the full list of supported browsers by the Angular framework, please see:
+# https://angular.io/guide/browser-support
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+last 1 Chrome version
+last 1 Firefox version
+last 2 Edge major versions
+last 2 Safari major versions
+last 2 iOS major versions
+Firefox ESR
diff --git a/apps/with-gaurd-check/.eslintrc.json b/apps/with-gaurd-check/.eslintrc.json
new file mode 100644
index 0000000..a4ae7f7
--- /dev/null
+++ b/apps/with-gaurd-check/.eslintrc.json
@@ -0,0 +1,36 @@
+{
+  "extends": ["../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "extends": [
+        "plugin:@nrwl/nx/angular",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ],
+      "rules": {
+        "@angular-eslint/directive-selector": [
+          "error",
+          {
+            "type": "attribute",
+            "prefix": "wgc",
+            "style": "camelCase"
+          }
+        ],
+        "@angular-eslint/component-selector": [
+          "error",
+          {
+            "type": "element",
+            "prefix": "wgc",
+            "style": "kebab-case"
+          }
+        ]
+      }
+    },
+    {
+      "files": ["*.html"],
+      "extends": ["plugin:@nrwl/nx/angular-template"],
+      "rules": {}
+    }
+  ]
+}
diff --git a/apps/with-gaurd-check/jest.config.js b/apps/with-gaurd-check/jest.config.js
new file mode 100644
index 0000000..2a72c2f
--- /dev/null
+++ b/apps/with-gaurd-check/jest.config.js
@@ -0,0 +1,21 @@
+module.exports = {
+  displayName: 'with-gaurd-check',
+  preset: '../../jest.preset.js',
+  setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
+  globals: {
+    'ts-jest': {
+      tsconfig: '<rootDir>/tsconfig.spec.json',
+      stringifyContentPathRegex: '\\.(html|svg)$',
+    },
+  },
+  coverageDirectory: '../../coverage/apps/with-gaurd-check',
+  transform: {
+    '^.+\\.(ts|mjs|js|html)$': 'jest-preset-angular',
+  },
+  transformIgnorePatterns: ['node_modules/(?!.*\\.mjs$)'],
+  snapshotSerializers: [
+    'jest-preset-angular/build/serializers/no-ng-attributes',
+    'jest-preset-angular/build/serializers/ng-snapshot',
+    'jest-preset-angular/build/serializers/html-comment',
+  ],
+};
diff --git a/apps/with-gaurd-check/project.json b/apps/with-gaurd-check/project.json
new file mode 100644
index 0000000..85b0ad3
--- /dev/null
+++ b/apps/with-gaurd-check/project.json
@@ -0,0 +1,93 @@
+{
+  "projectType": "application",
+  "root": "apps/with-gaurd-check",
+  "sourceRoot": "apps/with-gaurd-check/src",
+  "prefix": "wgc",
+  "targets": {
+    "build": {
+      "executor": "@angular-devkit/build-angular:browser",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/apps/with-gaurd-check",
+        "index": "apps/with-gaurd-check/src/index.html",
+        "main": "apps/with-gaurd-check/src/main.ts",
+        "polyfills": "apps/with-gaurd-check/src/polyfills.ts",
+        "tsConfig": "apps/with-gaurd-check/tsconfig.app.json",
+        "assets": [
+          "apps/with-gaurd-check/src/favicon.ico",
+          "apps/with-gaurd-check/src/assets"
+        ],
+        "styles": ["apps/with-gaurd-check/src/styles.css"],
+        "scripts": []
+      },
+      "configurations": {
+        "production": {
+          "budgets": [
+            {
+              "type": "initial",
+              "maximumWarning": "500kb",
+              "maximumError": "1mb"
+            },
+            {
+              "type": "anyComponentStyle",
+              "maximumWarning": "2kb",
+              "maximumError": "4kb"
+            }
+          ],
+          "fileReplacements": [
+            {
+              "replace": "apps/with-gaurd-check/src/environments/environment.ts",
+              "with": "apps/with-gaurd-check/src/environments/environment.prod.ts"
+            }
+          ],
+          "outputHashing": "all"
+        },
+        "development": {
+          "buildOptimizer": false,
+          "optimization": false,
+          "vendorChunk": true,
+          "extractLicenses": false,
+          "sourceMap": true,
+          "namedChunks": true
+        }
+      },
+      "defaultConfiguration": "production"
+    },
+    "serve": {
+      "executor": "@angular-devkit/build-angular:dev-server",
+      "configurations": {
+        "production": {
+          "browserTarget": "with-gaurd-check:build:production"
+        },
+        "development": {
+          "browserTarget": "with-gaurd-check:build:development"
+        }
+      },
+      "defaultConfiguration": "development"
+    },
+    "extract-i18n": {
+      "executor": "@angular-devkit/build-angular:extract-i18n",
+      "options": {
+        "browserTarget": "with-gaurd-check:build"
+      }
+    },
+    "lint": {
+      "executor": "@nrwl/linter:eslint",
+      "options": {
+        "lintFilePatterns": [
+          "apps/with-gaurd-check/src/**/*.ts",
+          "apps/with-gaurd-check/src/**/*.html"
+        ]
+      }
+    },
+    "test": {
+      "executor": "@nrwl/jest:jest",
+      "outputs": ["coverage/apps/with-gaurd-check"],
+      "options": {
+        "jestConfig": "apps/with-gaurd-check/jest.config.js",
+        "passWithNoTests": true
+      }
+    }
+  },
+  "tags": []
+}
diff --git a/apps/with-gaurd-check/src/app/app-routing.module.ts b/apps/with-gaurd-check/src/app/app-routing.module.ts
new file mode 100644
index 0000000..ec03e04
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/app-routing.module.ts
@@ -0,0 +1,44 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+import { PageGuard } from './page-guard.service';
+import { Page1Component } from './page1.component';
+import { Page2ChildComponent } from './page2-child.component';
+import { Page2Component } from './page2.component';
+
+export const appRoutes: Routes = [
+  {
+    path: '',
+    redirectTo: 'page1',
+    pathMatch: 'full',
+  },
+  {
+    path: 'page1',
+    component: Page1Component,
+    data: {
+      breadcrumb: 'Page 1',
+    },
+  },
+  {
+    path: 'page2',
+    component: Page2Component,
+    data: {
+      breadcrumb: 'Page 2',
+    },
+    children: [
+      {
+        path: 'page2-child',
+        component: Page2ChildComponent,
+        data: {
+          breadcrumb: 'Page2 child',
+        },
+        canDeactivate: [PageGuard],
+      },
+    ],
+  },
+];
+
+@NgModule({
+  imports: [RouterModule.forRoot(appRoutes)],
+  exports: [RouterModule],
+})
+export class AppRoutingModule {}
diff --git a/apps/with-gaurd-check/src/app/app.component.css b/apps/with-gaurd-check/src/app/app.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/apps/with-gaurd-check/src/app/app.component.html b/apps/with-gaurd-check/src/app/app.component.html
new file mode 100644
index 0000000..1920ef0
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/app.component.html
@@ -0,0 +1,9 @@
+<h2>xng-breadcrumb</h2>
+
+<xng-breadcrumb></xng-breadcrumb>
+
+<br />
+
+<button routerLink="/page1">Back to Page 1</button>
+<button routerLink="/page2">To Page 2</button>
+<button routerLink="/page2/page2-child">To Page 2 Child</button>
diff --git a/apps/with-gaurd-check/src/app/app.component.ts b/apps/with-gaurd-check/src/app/app.component.ts
new file mode 100644
index 0000000..bb7be29
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'wgc-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css'],
+})
+export class AppComponent {
+  title = 'with-gaurd-check';
+}
diff --git a/apps/with-gaurd-check/src/app/app.module.ts b/apps/with-gaurd-check/src/app/app.module.ts
new file mode 100644
index 0000000..88ed299
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/app.module.ts
@@ -0,0 +1,20 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+
+import { AppComponent } from './app.component';
+import { RouterModule } from '@angular/router';
+import { BreadcrumbModule } from 'xng-breadcrumb';
+import { AppRoutingModule } from './app-routing.module';
+
+@NgModule({
+  declarations: [AppComponent],
+  imports: [
+    BrowserModule,
+    BreadcrumbModule,
+    RouterModule.forRoot([]),
+    AppRoutingModule,
+  ],
+  providers: [],
+  bootstrap: [AppComponent],
+})
+export class AppModule {}
diff --git a/apps/with-gaurd-check/src/app/page-guard.service.ts b/apps/with-gaurd-check/src/app/page-guard.service.ts
new file mode 100644
index 0000000..743aa90
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/page-guard.service.ts
@@ -0,0 +1,35 @@
+import { Injectable } from '@angular/core';
+import {
+  ActivatedRouteSnapshot,
+  CanDeactivate,
+  RouterStateSnapshot,
+  UrlTree,
+} from '@angular/router';
+import { Observable } from 'rxjs';
+import { BreadcrumbService } from 'xng-breadcrumb';
+
+interface BaseComponent {
+  isFormValid: () => boolean;
+}
+
+@Injectable({
+  providedIn: 'root',
+})
+export class PageGuard implements CanDeactivate<BaseComponent> {
+  constructor(private breadcrumbService: BreadcrumbService) {}
+
+  canDeactivate(
+    component: BaseComponent,
+    currentRoute: ActivatedRouteSnapshot,
+    currentState: RouterStateSnapshot,
+    nextState?: RouterStateSnapshot
+  ):
+    | boolean
+    | UrlTree
+    | Observable<boolean | UrlTree>
+    | Promise<boolean | UrlTree> {
+    return window.confirm(
+      'Are you sure you want to navigate away before saving changes?'
+    );
+  }
+}
diff --git a/apps/with-gaurd-check/src/app/page1.component.ts b/apps/with-gaurd-check/src/app/page1.component.ts
new file mode 100644
index 0000000..c087aeb
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/page1.component.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'wgc-page1',
+  template: `<p>In Page 1</p>`,
+})
+export class Page1Component {}
diff --git a/apps/with-gaurd-check/src/app/page2-child.component.ts b/apps/with-gaurd-check/src/app/page2-child.component.ts
new file mode 100644
index 0000000..4ab2e9e
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/page2-child.component.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'wgc-page2-child',
+  template: `<p>In Page 2 - Child</p>`,
+})
+export class Page2ChildComponent {}
diff --git a/apps/with-gaurd-check/src/app/page2.component.ts b/apps/with-gaurd-check/src/app/page2.component.ts
new file mode 100644
index 0000000..b18984f
--- /dev/null
+++ b/apps/with-gaurd-check/src/app/page2.component.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'wgc-page2',
+  template: `<p>In Page 2</p>`,
+})
+export class Page2Component {}
diff --git a/apps/with-gaurd-check/src/assets/.gitkeep b/apps/with-gaurd-check/src/assets/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/apps/with-gaurd-check/src/environments/environment.prod.ts b/apps/with-gaurd-check/src/environments/environment.prod.ts
new file mode 100644
index 0000000..c966979
--- /dev/null
+++ b/apps/with-gaurd-check/src/environments/environment.prod.ts
@@ -0,0 +1,3 @@
+export const environment = {
+  production: true,
+};
diff --git a/apps/with-gaurd-check/src/environments/environment.ts b/apps/with-gaurd-check/src/environments/environment.ts
new file mode 100644
index 0000000..66998ae
--- /dev/null
+++ b/apps/with-gaurd-check/src/environments/environment.ts
@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false,
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/plugins/zone-error';  // Included with Angular CLI.
diff --git a/apps/with-gaurd-check/src/favicon.ico b/apps/with-gaurd-check/src/favicon.ico
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diff --git a/apps/with-gaurd-check/src/index.html b/apps/with-gaurd-check/src/index.html
new file mode 100644
index 0000000..f7c3fb8
--- /dev/null
+++ b/apps/with-gaurd-check/src/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>WithGaurdCheck</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <wgc-root>loading...</wgc-root>
+  </body>
+</html>
diff --git a/apps/with-gaurd-check/src/main.ts b/apps/with-gaurd-check/src/main.ts
new file mode 100644
index 0000000..d9a2e7e
--- /dev/null
+++ b/apps/with-gaurd-check/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch((err) => console.error(err));
diff --git a/apps/with-gaurd-check/src/polyfills.ts b/apps/with-gaurd-check/src/polyfills.ts
new file mode 100644
index 0000000..e4555ed
--- /dev/null
+++ b/apps/with-gaurd-check/src/polyfills.ts
@@ -0,0 +1,52 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes recent versions of Safari, Chrome (including
+ * Opera), Edge on the desktop, and iOS and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js'; // Included with Angular CLI.
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/apps/with-gaurd-check/src/styles.css b/apps/with-gaurd-check/src/styles.css
new file mode 100644
index 0000000..90d4ee0
--- /dev/null
+++ b/apps/with-gaurd-check/src/styles.css
@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */
diff --git a/apps/with-gaurd-check/src/test-setup.ts b/apps/with-gaurd-check/src/test-setup.ts
new file mode 100644
index 0000000..1100b3e
--- /dev/null
+++ b/apps/with-gaurd-check/src/test-setup.ts
@@ -0,0 +1 @@
+import 'jest-preset-angular/setup-jest';
diff --git a/apps/with-gaurd-check/tsconfig.app.json b/apps/with-gaurd-check/tsconfig.app.json
new file mode 100644
index 0000000..323b7c4
--- /dev/null
+++ b/apps/with-gaurd-check/tsconfig.app.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["src/main.ts", "src/polyfills.ts"],
+  "include": ["src/**/*.d.ts"],
+  "exclude": ["**/*.test.ts", "**/*.spec.ts"]
+}
diff --git a/apps/with-gaurd-check/tsconfig.editor.json b/apps/with-gaurd-check/tsconfig.editor.json
new file mode 100644
index 0000000..20c4afd
--- /dev/null
+++ b/apps/with-gaurd-check/tsconfig.editor.json
@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["**/*.ts"],
+  "compilerOptions": {
+    "types": ["jest", "node"]
+  }
+}
diff --git a/apps/with-gaurd-check/tsconfig.json b/apps/with-gaurd-check/tsconfig.json
new file mode 100644
index 0000000..7808c0b
--- /dev/null
+++ b/apps/with-gaurd-check/tsconfig.json
@@ -0,0 +1,27 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.app.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    },
+    {
+      "path": "./tsconfig.editor.json"
+    }
+  ],
+  "compilerOptions": {
+    "forceConsistentCasingInFileNames": true,
+    "strict": false,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "angularCompilerOptions": {
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}
diff --git a/apps/with-gaurd-check/tsconfig.spec.json b/apps/with-gaurd-check/tsconfig.spec.json
new file mode 100644
index 0000000..e70b1ea
--- /dev/null
+++ b/apps/with-gaurd-check/tsconfig.spec.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": ["**/*.test.ts", "**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/libs/xng-breadcrumb/src/lib/breadcrumb.component.ts b/libs/xng-breadcrumb/src/lib/breadcrumb.component.ts
index 272d349..de29470 100644
--- a/libs/xng-breadcrumb/src/lib/breadcrumb.component.ts
+++ b/libs/xng-breadcrumb/src/lib/breadcrumb.component.ts
@@ -7,7 +7,7 @@ import {
   ViewEncapsulation,
 } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
-import { Observable, Subscription } from 'rxjs';
+import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 import { BreadcrumbItemDirective } from './breadcrumb-item.directive';
 import { BreadcrumbDefinition, BreadcrumbService } from './breadcrumb.service';
@@ -19,7 +19,6 @@ import { BreadcrumbDefinition, BreadcrumbService } from './breadcrumb.service';
   encapsulation: ViewEncapsulation.None,
 })
 export class BreadcrumbComponent implements OnInit {
-  subscription: Subscription;
   breadcrumbs$: Observable<BreadcrumbDefinition[]>;
   separatorTemplate: TemplateRef<void>;
   private _separator = '/';
@@ -92,6 +91,7 @@ export class BreadcrumbComponent implements OnInit {
     private breadcrumbService: BreadcrumbService,
     activateRoute: ActivatedRoute
   ) {
+    // breadcrumb inside ngIf works only this way
     activateRoute.params.subscribe((params) => {
       this.setupComponent(params['someParam']);
     });
diff --git a/libs/xng-breadcrumb/src/lib/breadcrumb.service.ts b/libs/xng-breadcrumb/src/lib/breadcrumb.service.ts
index cf9570b..37d6e64 100644
--- a/libs/xng-breadcrumb/src/lib/breadcrumb.service.ts
+++ b/libs/xng-breadcrumb/src/lib/breadcrumb.service.ts
@@ -2,15 +2,15 @@ import { Injectable } from '@angular/core';
 import {
   ActivatedRoute,
   ActivatedRouteSnapshot,
+  GuardsCheckEnd,
   Router,
-  RoutesRecognized,
 } from '@angular/router';
 import { BehaviorSubject } from 'rxjs';
 import { filter } from 'rxjs/operators';
 import { Breadcrumb } from './types/breadcrumb';
 import {
-  BreadcrumbObject,
   BreadcrumbFunction,
+  BreadcrumbObject,
 } from './types/breadcrumb.config';
 
 type BreadcrumbConfig = BreadcrumbObject | BreadcrumbFunction | string;
@@ -69,11 +69,11 @@ export class BreadcrumbService {
     }
 
     this.router.events
-      .pipe(filter((event) => event instanceof RoutesRecognized))
+      .pipe(filter((event) => event instanceof GuardsCheckEnd))
       .subscribe((event) => {
         // activatedRoute doesn't carry data when shouldReuseRoute returns false
         // use the event data with RoutesRecognized as workaround
-        if (event instanceof RoutesRecognized) {
+        if (event instanceof GuardsCheckEnd && event.shouldActivate) {
           this.setupBreadcrumbs(event.state.root);
         }
       });
@@ -87,7 +87,7 @@ export class BreadcrumbService {
     this.prepareBreadcrumbList(activatedRouteSnapshot, this.baseHref);
   }
 
-  private getRootBreadcrumb() {
+  private getRootBreadcrumb(): Breadcrumb | void {
     const rootConfig = this.router.config.find((config) => config.path === '');
     const rootBreadcrumb = this.extractObject(rootConfig?.data?.breadcrumb);
     const storeItem = this.getFromStore(rootBreadcrumb.alias, '/');
@@ -140,7 +140,7 @@ export class BreadcrumbService {
   private prepareBreadcrumbList(
     activatedRouteSnapshot: ActivatedRouteSnapshot,
     routeLinkPrefix: string
-  ): Breadcrumb[] {
+  ): Breadcrumb[] | void {
     if (activatedRouteSnapshot.routeConfig?.path) {
       const breadcrumbItem = this.prepareBreadcrumbItem(
         activatedRouteSnapshot,