Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Feel the Glimmer - MunichJS 11/17
Search
Marco Otte-Witte
November 02, 2017
Programming
0
120
Feel the Glimmer - MunichJS 11/17
An intoduction to Ember.js' Glimmer VM VM and Glimmer.js
Marco Otte-Witte
November 02, 2017
Tweet
Share
More Decks by Marco Otte-Witte
See All by Marco Otte-Witte
Securing Technology Investments
marcoow
0
87
Handling images on the web
marcoow
0
390
SSR, SPAs and PWAs
marcoow
0
340
Fast, Fast, Fast
marcoow
2
420
Feel the Glimmer - ParisJS
marcoow
1
440
The JSON:API spec
marcoow
3
1.6k
Leveraging the complete Ember Toolbelt
marcoow
0
250
Feel the Glimmer
marcoow
1
220
Templates and Logic in Ember
marcoow
0
580
Other Decks in Programming
See All in Programming
Snowflakeで眠ったデータを起こそう!
estie
0
110
GitHub Actionsで泣かないためにやっておきたい設定 / Recommended GHA settings to avoid crying
pinkumohikan
3
520
Compose-View Interop in Practice (mDevCamp 2024)
stewemetal
0
100
try!Swift Tokyo 2024 参加報告 LT
akidon0000
1
210
デフォルトにして至高、RubyMineの大好きな所
ruzia
0
170
From Spring Boot 2 to Spring Boot 3 with Java 22 and Jakarta EE
ivargrimstad
0
1.1k
Hanami and htmx
bkuhlmann
0
200
Front-end application development, Symfony-style(s)
dunglas
2
1.9k
코틀린으로 멀티플랫폼 만들기
pangmoo
0
140
What We Can Learn From OSS
inouehi
0
420
Behind VS Code Extensions for JavaScript / TypeScript Linnting and Formatting
unvalley
5
850
Elm 0.19.0 Changes
bkuhlmann
0
490
Featured
See All Featured
Building Effective Engineering Teams - LeadDev
addyosmani
28
1.8k
Robots, Beer and Maslow
schacon
PRO
155
7.9k
Raft: Consensus for Rubyists
vanstee
132
6.3k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
352
28k
BBQ
matthewcrist
80
8.8k
Side Projects
sachag
451
41k
VelocityConf: Rendering Performance Case Studies
addyosmani
320
23k
The Invisible Side of Design
smashingmag
294
49k
Typedesign – Prime Four
hannesfritz
36
2.1k
RailsConf 2023
tenderlove
2
530
Building a Scalable Design System with Sketch
lauravandoore
455
32k
Music & Morning Musume
bryan
41
5.6k
Transcript
Feel the Glimmer
Marco Otte-Witte @marcoow
simplabs.com @simplabs
None
None
https://glimmerjs.com
"light-weight UI components for the web"
https://github.com/emberjs/ember.js/issues/13949
https://worldvectorlogo.com/logo/react
<ul> {this.props.people.map(function(person) { return <li>{person}</li>; })} </ul> ['Dan Abramov', 'Ben
Alpert'] { type: 'ul', props: { 'class': 'list' }, children: [ { type: 'li', props: {}, children: ['Dan Abramov'] }, { type: 'li', props: {}, children: ['Ben Alpert'] } ] }
<ul> {this.props.people.map(function(person) { return <li>{person}</li>; })} </ul> ['Dan Abramov', 'Yehuda
Katz'] { type: 'ul', props: { 'class': 'list' }, children: [ { type: 'li', props: {}, children: ['Dan Abramov'] }, { type: 'li', props: {}, children: ['Yehuda Katz'] } ] }
+ { type: 'li', props: {}, children: ['Yehuda Katz'] }
- { type: 'li', props: {}, children: ['Ben Alpert'] }
The Glimmer Pipeline 1. Pre-Compilation 2. Initial render 3. Re-render
Pre-Compilation Templates are pre-compiled (at build time) into opcodes that
the VM executes during initial render
<ul class="nav nav-tabs"> <li class="active"> <a href="/home">{{home}}</a> </li> <li> <a
href="/profile">{{profile}}</a> </li> <li> <a href="/messages">{{messages}}</a> </li> </ul>
[ [6,"ul"], [9,"class","nav nav-tabs"], [7] [0," \n "], [6,"li"], [9,"class","active"],
[7], [0,"\n "], [6,"a"], [9,"href","/home"], [7], [1, [18,"home"], false ], [8], [0,"\n "], [8], … [0,"\n"], [8] ]
Offset 00 01 02 03 04 05 06 07 08
09 0A 0B 0C 0D 0E 0F 00000000 19 01 00 00 1F 00 16 01 01 00 20 00 16 01 02 00 .......... ..... 00000010 19 01 03 00 1F 00 16 01 04 00 04 01 00 00 05 01 ................ 00000020 05 00 18 01 00 00 16 01 06 00 20 00 16 01 02 00 .......... ..... 00000030 19 01 07 00 30 00 04 01 00 00 05 01 08 00 3D 02 ....0.........=. 00000040 00 00 18 00 01 01 01 00 31 00 10 01 08 00 1D 03 ........1....... 00000050 09 00 00 00 00 00 1F 00 16 01 0A 00 20 00 14 00 ............ ...
Initial render DOM elements are created and opcodes for re-renders
are generated
<ul class="nav nav-tabs"> <li class="active"> <a href="/home">Start</a> </li> <li> <a
href="/profile">Profil</a> </li> <li> <a href="/messages">Nachrichten</a> </li> </ul>
<ul class="nav nav-tabs"> <li class="active"> <a href="/home">{{home}}</a> </li> <li> <a
href="/profile">{{profile}}</a> </li> <li> <a href="/messages">{{messages}}</a> </li> </ul> only these can change at all
[ ["OPTIMIZED-CAUTIOUS-UPDATE", "home"], ["OPTIMIZED-CAUTIOUS-UPDATE", "profile"], ["OPTIMIZED-CAUTIOUS-UPDATE", "messages"] ]
Update Renders Update opcodes are executed
let foo = 1; let fooReference: Reference<number> = { value()
{ return foo; } }; fooReference.value(); // => 1 foo++; fooReference.value(); // => 2
let foo = 1; let bar = 2; let fooReference:
Reference<number> = { value() { return foo; } }; let barReference: Reference<number> = { value() { return bar; } }; let fooPlusBarReference: Reference<number> = { value() { return fooReference.value() + barReference.value(); } }; fooPlusBarReference.value(); // => 3 foo = 2; fooPlusBarReference.value(); // => 4
interface EntityTag<T> { value(): T; validate(ticket: T): boolean; } interface
Tagged { tag: EntityTag<any>; } interface TaggedReference<T> extends Reference<T>, Tagged { }
const person: TrackedObject = { tag: new DirtyableTag(), name: 'Godfrey
Chan' }; let nameReference: VersionedReference<string> { tag: person.tag, value() { return person.name; } }; nameReference.value(); // => 'Godfrey Chan' nameReference.tag.value(); // => 1 set(person, 'name', 'Yehuda Katz'); nameReference.tag.validate(1); // => false nameReference.value(); // => 'Yehuda Katz' nameReference.tag.value(); // => 2
http://yehudakatz.com/2017/04/05/the-glimmer-vm-boots-fast-and-stays-fast/
http://yehudakatz.com/2017/04/05/the-glimmer-vm-boots-fast-and-stays-fast/
The Glimmer VM was released with Ember.js 2.10
"Stability without Stagnation"
None
https://glimmerjs.com https://glimmerjs.com
» ls -lh 514K ember-data.prod.js 1.6M ember.prod.js 1.1K react-dom.js 644K
react.js
None
None
None
Like React, Glimmer.js is only the "V" and some of
the "C" in "MVC" (aka components)
npm install -g ember-cli ember new my-app -b @glimmer/blueprint cd
my-app/ && ember s
tree . my-app !"" config # !"" environment.js # !""
module-map.ts # $"" resolver-configuration.ts !"" dist/ !"" src # !"" ui # # !"" components # # # $"" my-app # # # !"" component.ts # # # $"" template.hbs # # !"" styles # # # $"" app.css # # $"" index.html # !"" index.ts # $"" main.ts !"" ember-cli-build.js # ... other files ...
tree . my-app !"" config # !"" environment.js # !""
module-map.ts # $"" resolver-configuration.ts !"" dist/ !"" src # !"" ui # # !"" components # # # $"" my-app # # # !"" component.ts # # # $"" template.hbs # # !"" styles # # # $"" app.css # # $"" index.html # !"" index.ts # $"" main.ts !"" ember-cli-build.js # ... other files ...
https://github.com/Microsoft/TypeScript/issues/1375
<ul id="todo-list" class="todo-list"> {{#each visibleTodos key="_id" as |todo|}} <todo-item @todo={{todo}}
@onEdit={{action editTodo}} @onToggle={{action toggleTodo}} @onDestroy={{action removeTodo}} /> {{/each}} </ul>
@tracked('todos') get activeTodos() { return this.todos.filter(todo => !todo.completed) }
Demo https://github.com/glimmerjs/todomvc-demo
Try it yourself! http://try.glimmerjs.com
Ember's Future
Where does this leave Ember.js?
https://emberjs.com/blog/2017/04/05/emberconf-2017-state-of-the-union.html
cp -r glimmer-app/src/ui/components ember-app/src/ui
ember-router will be the next thing to be extracted into
it's own standalone library
https://glimmerjs.com
https://www.youtube.com/watch?v=62xd25kEZ3o&t=27617s
Thanks
Q&A
simplabs.com @simplabs