WHAT'S COMING NEXT IN ANGULAR?

DevFest Paris, Feb 8, 2019

@manekinekko

@sfeir

All characters and items featured in this talk were created by Eiichiro Oda. all pictures are not owned by me and are subject to copyright status by Shueisha's Jump Comics division, Toei Animation, and related authors.

angular tooling

faster builds with Bazel

ux Material & CDK

Angular Elements as c.e.

Angular Ivy; a faster compiler

fair question...

Source: https://2018.stateofjs.com/front-end-frameworks/angular/

What happened?

NO. Fake News!!!!

angular.js 2

angular 2

angular.js

it is just "angular"

angular release cycle

months

1-3

months

every

week

. .

https://angular.io/guide/releases

Source: https://2018.stateofjs.com/front-end-frameworks/conclusion/

Is It The Fall Of Angular?

https://insights.stackoverflow.com/survey/2018/#technology-frameworks-libraries-and-tools

500,000

1,000,000

1,500,000

Dec 2015

Dec 2016

Dec 2017

Nov 2018

angular.io/docs unique visitors

Source: https://2018.stateofjs.com/front-end-frameworks/conclusion/

Is It The Fall Of Angular?

Definitely Not!

SFEIR.com

Sr. Developer advocate

wassim chegham

#manekinekko

@manekinekko

@wassimchegham

Head Of Open Source

Klingon

(author)

xLayers.app

(author)

angular Core Team Member

Compodoc

(co-author)

Universal

(former member)

angular console

(former member)

ngx.tools

(author)

Google Cloud

Actions On Google

Angular

@ManekiNekko

GDE nominated by google

xlayers .app – sponsored by sfeir

THE sfeir DEV ADVOCACY TEAM

@shikalegend

THE sfeir oss CORE TEAM

@manekinekko

github.com/sfeir-open-source

@manekinekko

Organized by ng-be and editx

520+ participants in 2018

20 questions (online)

15 minutes

Final May 15, 2019

angular challenge 2019

OUR Core Values

@ManekiNekko

Apps that users love to use

Apps that developers love to build

Community where everyone feels welcome

Building a better Developer Experience:

Angular 6—7—8-9

@ManekiNekko

we are opinionated!

Angular labs

experiment ideas/prototype define an sla

avoid PR stagnation

angular tooling

@ManekiNekko

@angular/cli

Scaffold

Generate

... BuiLD

Repeat

@ManekiNekko

Schematics: Custom CLI template for your project

Defaults

Extend

Replace

@ManekiNekko

new

ng update <package> (v6+)

Updating to Angular N+1...

@ManekiNekko

ng add <package> (v6+)

Add new dependencies in one single command!!

@ManekiNekko

@stephenfluin

Angular Schematics are Open

You can Build Your Own!!

Create your own Schematic

@ManekiNekko

note: schematics api docs should land in v8!

Et Voila!!

@ManekiNekko

Interactive prompts in schematics!

TypeScript v3

Node.js v10

Build Profiling (--profile)

@ManekiNekko

@angular/cli v7.x

@ManekiNekko

Build Profiling (--profile)

New Architect api...

@ManekiNekko

Architect is the Angular Tooling system to develop and interact with Builders and external tools, which can perform common tasks: Linting, Building...

New Architect api...

@ManekiNekko

Functional-reactive–composition

New Architect api...

@ManekiNekko

tooling api

builders api

architect api

lint, build... xyz

cli, gui... xyz

New Architect api...

@ManekiNekko

angular-cli /pull/13463

build telemetry...

@ManekiNekko

send build information to remote analytics platform for debugging purpose.

⚠️ fully opt-in.

differential serving...

@ManekiNekko

reduce the payload size for all modern browsers.

still support legacy browser and google crawler.

differential serving...

@ManekiNekko

angular.io/cli

Bazel:

Build it harder
Make it lighter
Do it faster
Makes us stronger

@ManekiNekko

{fast, correct} choose two.

bazel: A modern build and test system.

tl;dr;

Benefits of Bazel

incremental

deterministic

Hermetic

@ManekiNekko

composable

industrial grade

polyglot

universal

Android, C & C++, C#, D, Docker, Go, Groovy, Kotlin, iOS, Java, JavaScript, Jsonnet, Objective, OCaml, C, Proto Buffers, Python, Rust, Sass, Scala, Shell, TypeScript, etc...

@ManekiNekko

built with

@ManekiNekko

@angular/core/**/*.{ts,js}

ng_module(), ts_library(), ng_package()

./bundles/core.umd.js

bazel rules

Angular Bazel Rules

ts_web_test_suite, ts_devserver, rollup_bundle...

@ManekiNekko

ts_library()

bazel actions

typescript compiler

tsc

compilation

compilation action

@ManekiNekko

bazel actions

action

@ManekiNekko

bazel actions

compilation

test

package

artifact

@ManekiNekko

bazel's cache

sha1

@ManekiNekko

bazel's cache

sha1

@ManekiNekko

bazel's cache

sha1

@ManekiNekko

bazel's build graph

code

@ManekiNekko

bazel's build graph

code

@ManekiNekko

bazel's build graph

code

@ManekiNekko

bazel's parallel build

code

local cache and execution

@ManekiNekko

code

local bazel's cache

local bazel execution

Remote cache and execution

@ManekiNekko

code

remote bazel's cache

remote bazel execution

dynamic bazel execution

@ManekiNekko

Real "Entreprise-y" Application

USE the Angular CLI

@ManekiNekko

g.co/ng/abc

@ManekiNekko

bazel.build

Component Dev. Kit:

UI Components Building Blocks

@ManekiNekko

standardized behaviors

don't reinvent the wheel

improve accessibility

components dev kit

components dev kit: example tree

CdkTreeModule

// html
<cdk-tree>
  <cdk-tree-node></cdk-tree-node>
  <cdk-tree-node></cdk-tree-node>
  <cdk-tree-node></cdk-tree-node>
</cdk-tree>

// css
cdk-tree-node {
 background-color: #404040;
}

MatTreeModule


<mat-tree>
  <mat-tree-node></mat-tree-node>
  <mat-tree-node></mat-tree-node>
  <mat-tree-node></mat-tree-node>
</mat-tree>

Material Design 2018-2019 Refresh

Angular Elements:

Angular as Custom Elements

@ManekiNekko

HTML Templates

HTML Imports

Shadow DOM

Custom Elements

Part of the Web Components specifications

@ManekiNekko

Angular Elements: Standards-Based CE

Angular

Component

Custom

Element

➠

@ManekiNekko

Can you spot the Angular Element? *

* You can't

Angular

Component

Custom

Element

Angular Elements: Self Bootstrapping

@ManekiNekko

CReating a custom elements

@ManekiNekko

CReating a custom elements

@ManekiNekko

Registering Components as Custom Elements

@ManekiNekko

angular.io/guide/elements

Use in angular.io

Stable Release

Works Everywhere

Available Now

Status & Roadmap

✓

@ManekiNekko

Ivy:

Angular's new Renderer

@ManekiNekko

Goals & Benefits

Smaller Size

Simpler Stack Traces

Faster Compilation

Non-Breaking Changes!!!!!!

@ManekiNekko

import { 
 Component
} from '@angular/core';

@Component({
  selector: 'app-root',
  template: `
    <h1>{{ title }}</h1>
  `
})
export class AppComponent {
  title = 'ivy';
}

import * as tslib_1 from "tslib";
import { Component } from '@angular/core';
import * as i0 from "@angular/core";
var AppComponent = /** @class */ (function () {
  function AppComponent() {
    this.title = 'ivy';
  }
  AppComponent.ngComponentDef = i0.ɵdefineComponent({
    type: AppComponent,
    selectors: [["app-root"]],
    factory: function AppComponent_Factory(t) {
      return new (t || AppComponent)();
    },
    consts: 2,
    vars: 1,
    template: function AppComponent_Template(rf, ctx) {
      if (rf & 1) {
        i0.ɵelementStart(0, "h1");
        i0.ɵtext(1);
        i0.ɵelementEnd();
      } if (rf & 2) {
        i0.ɵtextBinding(1, i0.ɵinterpolation1("", ctx.title, ""));
      }
    }, encapsulation: 2
  });
  AppComponent = tslib_1.__decorate([
    Component({
      selector: 'app-root',
      template: "\n\t<h1>{{ title }}</h1>    \n  "
    })
  ], AppComponent);
  return AppComponent;
}());
export { AppComponent };

Smaller Size: New Instruction Set

@ManekiNekko

Smaller Size: Tree Shakeable Features

Template Syntax

Dependency Injection

Content Projection

Structural Directives

Lifecycle Hooks

Pipes

Queries

Listeners

@ManekiNekko

36kb

7.3kb

2.7kb

Ivy minified

Ivy compressed

Today (compressed – no zone.js)

10kb

Initial target

Smaller Size 🎉

future!!!

Faster Compilation

INCREMENTALITY

thanks to

LOCALITY

@ManekiNekko

Non-Breaking Changes

+600 apps

@ManekiNekko

Roadmap

IVy Runtime (CD & rendering)

IVy Template Compiler (HTML to code)

Internal Validation (by Google teams)

Expected to be available in...

opt-in in v8

✓

@ManekiNekko

default in v9

Faster Builds with Bazel

tooling

UX Components with CDK

Angular Components as CE

Faster Compiler

@ManekiNekko

Angular Future

Smaller,

Angular Future

Smaller,

Faster,

Easier

+ + +

Here is an initiative/idea...

a platform where developers can share code recipes for vue, angular and react.

Let's work hand in hand and build a better web.