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control page meta changes inside route change success #3

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b0b054b
control page meta changes inside route change success
dysfunc Sep 25, 2017
3f0b27b
update index to use $root
dysfunc Sep 25, 2017
d3d2f81
default to base metadata if route metadata has not been defined
dysfunc Oct 6, 2017
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100 changes: 46 additions & 54 deletions public/app.js
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Original file line number Diff line number Diff line change
@@ -1,55 +1,47 @@
var app = angular.module('prerender-tutorial', ['ngRoute'])
.config(function($routeProvider, $locationProvider){
$routeProvider.when('/', {
templateUrl : 'views/homeView.html',
controller: 'homeController'
})

$routeProvider.when('/about', {
templateUrl : '/views/aboutView.html',
controller: 'aboutController'
})

$routeProvider.when('/features', {
templateUrl : '/views/featuresView.html',
controller : 'featuresController'
})

$routeProvider.otherwise({
redirectTo : '/'
});

$locationProvider.html5Mode(true);
$locationProvider.hashPrefix('!');
angular
.module('prerender-tutorial', ['ngRoute'])
.config(function($routeProvider, $locationProvider){
$routeProvider
.when('/', {
name: 'base',
templateUrl: 'views/homeView.html'
})
.when('/about', {
name: 'about',
templateUrl: '/views/aboutView.html'
})
.when('/features', {
name: 'features',
templateUrl: '/views/featuresView.html'
})
.otherwise({
redirectTo: '/'
});

$locationProvider.html5Mode(true);
$locationProvider.hashPrefix('!');
})
.run(function($rootScope){
const pageMeta = {
base: {
pageTitle : 'AngularJS SEO Tutorial',
pageDescripton: 'Welcome to our tutorial on getting your AngularJS websites and apps indexed by Google.'
},
about: {
pageTitle : 'About',
pageDescripton: 'We are a content heavy website so we need to be indexed.'
},
features: {
pageTitle : 'Features',
pageDescripton: 'Check out some of our awesome features!'
}
};

$rootScope.$on('$routeChangeSuccess', function(event, current, previous){
const route = current.$$route.name;
const pageInfo = pageMeta[route] || pageMeta.base;

$rootScope.pageTitle = pageInfo.pageTitle;
$rootScope.pageDescription = pageInfo.pageDescription;
});
});

function mainController($scope) {
// We will create an seo variable on the scope and decide which fields we want to populate
$scope.seo = {
pageTitle : '',
pageDescription : ''
};
}

function homeController($scope) {
// For this tutorial, we will simply access the $scope.seo variable from the main controller and fill it with content.
// Additionally you can create a service to update the SEO variables - but that's for another tutorial.
$scope.$parent.seo = {
pageTitle : 'AngularJS SEO Tutorial',
pageDescripton: 'Welcome to our tutorial on getting your AngularJS websites and apps indexed by Google.'
};
}

function aboutController($scope) {
$scope.$parent.seo = {
pageTitle : 'About',
pageDescripton: 'We are a content heavy website so we need to be indexed.'
};
}

function featuresController($scope) {
$scope.$parent.seo = {
pageTitle : 'Features',
pageDescripton: 'Check out some of our awesome features!'
};
}
73 changes: 35 additions & 38 deletions public/index.html
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Original file line number Diff line number Diff line change
@@ -1,49 +1,46 @@
<!doctype html>
<!DOCTYPE html>
<!-- We will create a mainController and bind it to HTML which will give us access to the entire DOM -->
<html ng-app="prerender-tutorial" ng-controller="mainController">
<head>
<html ng-app="prerender-tutorial">
<head>

<!-- We define the SEO variables we want to dynamically update -->
<title>Scotch Tutorial | {{ seo.pageTitle }}</title>
<meta name="description" content="{{ seo.metaDescription }}">
<!-- We define the SEO variables we want to dynamically update -->
<title>Scotch Tutorial | {{ $root.pageTitle }}</title>
<meta name="description" content="{{ $root.metaDescription }}">

<!-- CSS-->
<link rel="stylesheet" type="text/css" href="/assets/bootstrap.min.css">
<style>
body { margin-top:60px; }
</style>
<!-- CSS-->
<link rel="stylesheet" type="text/css" href="/assets/bootstrap.min.css">
<style>body { margin-top:60px; }</style>

<!-- JS -->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.10/angular.min.js"></script>
<script src="http://code.angularjs.org/1.2.10/angular-route.min.js"></script>
<script src="/app.js"></script>
<script>
// Including this code will ensure that the page is not rendered until all JavaScript has finished executing
window.prerenderReady = false;
</script>
<!-- JS -->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.10/angular.min.js"></script>
<script src="http://code.angularjs.org/1.2.10/angular-route.min.js"></script>
<script src="/app.js"></script>
<script>
// Including this code will ensure that the page is not rendered until all JavaScript has finished executing
window.prerenderReady = false;
</script>
</head>
<body>
<div class="container">
<div class="container">

<!-- NAVIGATION BAR -->
<div class="bs-example bs-navbar-top-example">
<nav class="navbar navbar-default navbar-fixed-top">
<div class="navbar-header">
<a class="navbar-brand" href="/">Angular SEO Prerender Tutorial</a>
</div>
<!-- NAVIGATION BAR -->
<div class="bs-example bs-navbar-top-example">
<nav class="navbar navbar-default navbar-fixed-top">
<div class="navbar-header">
<a class="navbar-brand" href="/">Angular SEO Prerender Tutorial</a>
</div>

<ul class="nav navbar-nav">
<li><a href="/">Home</a></li>
<li><a href="/about">About</a></li>
<li><a href="/features">Features</a></li>
</ul>
</nav>
</div>
<ul class="nav navbar-nav">
<li><a href="/">Home</a></li>
<li><a href="/about">About</a></li>
<li><a href="/features">Features</a></li>
</ul>
</nav>
</div>

<h1 class="text-center">Welcome to the Angular SEO Prerender Tutorial</h1>
<!-- where we will inject our template data -->
<div ng-view></div>

</div>
<h1 class="text-center">Welcome to the Angular SEO Prerender Tutorial</h1>
<!-- where we will inject our template data -->
<div ng-view></div>
</div>
</body>
</html>