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UPGRADING FROM 1.x

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Ciro Nunes FRONTEND ENGINEER @cironunesdev

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1. Preparation

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1. Preparation 2. Migration

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follow STYLE GUIDE the #1

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use MODULE LOADER #2 a system.js

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#3

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ES5

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ES6 ES2015 ES5

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ES7 ES2016 ES6 ES2015 ES5

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TS ES7 ES2016 ES6 ES2015 ES5

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use COMPONENT DIRECTIVES #4

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COMPONENT DIRECTIVES

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angular.module('myApp')      .directive('myGreeting',  MyGreeting);         function  MyGreeting()  {      return  {          template:  '

Hello  {{  vm.person  }}

',          controller:  function()  {  ...  },          controllerAs:  'vm',          scope:  {},          bindToController:  {              person:  '@'          }      };   } my-greeting.directive.js

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angular.module('myApp')      .directive('myGreeting',  MyGreeting);         function  MyGreeting()  {      return  {          template:  '

Hello  {{  vm.person  }}

',          controller:  function()  {  ...  },          controllerAs:  'vm',          scope:  {},          bindToController:  {              person:  '@'          }      };   } my-greeting.directive.js

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AVOID: ng-­‐controller   ng-­‐include   replace:  true   terminal:  true

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COMPONENTS

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angular.module('myApp')      .component('myGreeting',  myGreeting);         var  myGreeting  =  {      template:  '

Hello  {{  $ctrl.person  }}

',      bindings:  {          person:  '@'      }   }; my-greeting.component.js

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MIGRATING AN 1.x APP INCREMENTALLY

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BOOTSTRAPING HYBRID A1 + A2 APP

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INSTALLING THE UpgradeAdapter

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import  {UpgradeAdapter}  from  'angular2/upgrade';   const  upgradeAdapter  =  new  UpgradeAdapter();   export  default  upgradeAdapter; upgrade-adapter.ts

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import  {upgradeAdapter}  from  'upgrade-­‐adapter';   upgradeAdapter.bootstrap(   document.body,  ['myApp'],  {  strictDi:  true  }); boot.ts

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MIGRATING SERVICES

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INJECTING 2 INTO 1

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import  {Injectable}  from  'angular2/core';   @Injectable()   export  class  SampleService  {      getItems()  {          return  [1,  2,  3];      }   } sample.service.ts

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import  {SampleService}  from  './sample-­‐service';   upgradeAdapter.addProvider(SampleService);   angular.module('heroApp',  [])      .factory(   'heroes',   upgradeAdapter.downgradeNg2Provider(SampleService)) app.module.ts

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INJECTING 1 INTO 2

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import  {upgradeAdapter}  from  './upgrade-­‐adapter';   angular.module('myApp')      .service('someService',  SomeService);         upgradeAdapter.upgradeNg1Provider('someService'); sample.service.ts

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MIGRATING COMPONENTS

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DOWGRADING USING A2 INTO A1

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import  {Component,  Input}  from  'angular2/core';   @Component({      selector:  'my-­‐greeting',      template:  `          

{{  name  }}

     `   })   export  class  MyGreeting  {      @Input()  name:  string  =  'World';   } my-greeting.component.ts

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import  {MyGreeting}  from  './my-­‐greeting.component';   angular.module('myApp')      .directive(          'myGreeting',          upgradeAdapter.downgradeNg2Component(MyGreeting)); my-app.module.ts

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UPGRADING USING A1 INTO A2

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export  const  myGreeting  =  {      bindings:  {  name:  '@'  },      template:  '

Hello  {{  myGreeting.name  }}!

',      controller:  function()  {  ...  }   }; my-greeting.directives.ts

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import  {Component}  from  'angular2/core';   import  {upgradeAdapter}  from  './upgrade_adapter';   const  MyGreeting  =   upgradeAdapter.upgradeNg1Component('myGreeting');   @Component({      selector:  'my-­‐container',      template:  `          

Greeting  Component

               `,      directives:  [MyGreeting]   })   export  class  ContainerComponent  {   } my-container.component.ts

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MIGRATING THE ROUTER & BOOTSTRAPING ON A2

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R.I.P ma friend : ’)