Virtual EmberConf 2022: Platform State of the Union

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... */ "devDependencies": { "moment": "^2.29.2" /* ... */ } } import moment from 'moment';

PACKAGES HOW DO THEY WORK? import moment from 'moment'; node_modules

moment moment.js

HOW IT ALL BEGAN THE “SCRIPT” IN JAVASCRIPT

HOW IT ALL BEGAN THE “SCRIPT” IN JAVASCRIPT <!DOCTYPE html>

HOW IT ALL BEGAN THE “SCRIPT” IN JAVASCRIPT app/app.js window.App

MySelectComponent = Ember.Component.extend({ /* ... */ }); app/router.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/nav-bar.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/select-menu.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); dist/my-app.js // app/app.js window.App = Ember.Application.create({ /* ... */ }); // app/router.js App.Router.map({ /* ... */ }); // app/components/nav-bar.js App.NavBarComponent = Ember.Component.extend({ /* ... */ }); // app/components/select-menu.js App.SelectMenuComponent = Ember.Component.extend({ /* ... */ }); // app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ /* ... */ });

app/app.js window.App MySelectComponent = Ember.Component.extend({ /* ... */ }); app/router.js

App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/nav-bar.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/select-menu.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); dist/my-app.js // app/app.js window.App = Ember.Application.create({ /* ... */ }); // app/router.js App.Router.map({ /* ... */ }); // app/components/nav-bar.js App.NavBarComponent = Ember.Component.extend({ /* ... */ }); // app/components/select-menu.js App.SelectMenuComponent = Ember.Component.extend({ /* ... */ }); // app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ /* ... */ }); “bundling” “bundle” TANGENT

JAVASCRIPT MODULES THE NATIVE MODULES SYSTEM app/components/my-select.js import Ember from

'ember'; export default Ember.Component.extend({ classNames: ['my-select'], init() { this._super(); this.set('isActive', false); }, click(event) { event.preventDefault(); this.toggleProperty('isActive'); }, /* ... */ }); app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ classNames: ['my-select'], init() { this._super(); this.set('isActive', false); }, click(event) { event.preventDefault(); this.toggleProperty('isActive'); }, /* ... */ }); !

JAVASCRIPT MODULES THE NATIVE MODULES SYSTEM app/components/my-select.js import Ember from

'ember'; export default Ember.Component.extend({ classNames: ['my-select'], init() { this._super(); this.set('isActive', false); }, click(event) { event.preventDefault(); this.toggleProperty('isActive'); }, /* ... */ }); app/components/my-select.js App.MySelectComponent = Ember.Component.extend({ classNames: ['my-select'], init() { this._super(); this.set('isActive', false); }, click(event) { event.preventDefault(); this.toggleProperty('isActive'); }, /* ... */ }); !

EMBER BUILD PIPELINE OUR ANSWER TO THE MISSING PIECES my-app

> _ ember build Bundles

EMBER BUILD PIPELINE OUR ANSWER TO THE MISSING PIECES app/components/loading-spinner.js

app/components/date-picker.js import Component from '@ember/component'; import task from 'ember-concurrency'; import moment from 'moment'; import ENV from 'my-app/config/environment'; export default class DatePicker extends Component { /* ... */ } dist/my-app.js /* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; });

EMBER BUILD PIPELINE OUR ANSWER TO THE MISSING PIECES app/components/loading-spinner.js

app/components/date-picker.js import Component from '@ember/component'; import task from 'ember-concurrency'; import moment from 'moment'; import ENV from 'my-app/config/environment'; export default class DatePicker extends Component { /* ... */ } dist/my-app.js /* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; }); dist/vendor.js define('ember-concurrency', [ '@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ }); define('@ember/object', [], function () { /* ... */

EMBER BUILD PIPELINE OUR ANSWER TO THE MISSING PIECES dist/my-app.js

/* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; }); dist/vendor.js define('ember-concurrency', [ '@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ }); define('@ember/object', [], function () { /* ... */ ember-concurrency ember-moment ember-source

EMBER BUILD PIPELINE OUR ANSWER TO THE MISSING PIECES dist/my-app.js

/* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; }); dist/vendor.js define('ember-concurrency', [ '@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ }); define('@ember/object', [], function () { /* ... */ ember-concurrency moment ember-source

PACKAGES HOW DO THEY WORK? import moment from 'moment'; window.require('moment');

dist/vendor.js define('ember-concurrency', [ '@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ });

PACKAGES HOW DO THEY WORK? import moment from 'moment'; node_modules

moment moment.js

NPM Registry package.json JavaScript Modules (ESM) Modern JavaScript Loose Modules

Node Resolution Exports Maps TypeScript Types Dynamic import() Top-level Await import.meta Import Assertions <script type="module"> Import Maps import.meta.resolve JSON Modules CSS Modules Constructable Stylesheets Web Bundles pnpm yarn npm webpack Rollup Parcel Vite Snowpack JSPM unpkg.com skypack.dev Workspaces Editors TypeScript GitHub Storybook Universal Package

NPM Registry package.json JavaScript Modules (ESM) Modern JavaScript Loose Modules

Node Resolution Exports Maps TypeScript Types Dynamic import() Top-level Await import.meta Import Assertions <script type="module"> Import Maps import.meta.resolve JSON Modules CSS Modules Constructable Stylesheets Web Bundles pnpm yarn npm webpack Rollup Parcel Vite Snowpack JSPM unpkg.com skypack.dev Workspaces Editors TypeScript GitHub Storybook Universal Package

POLARIS ALIGNING WITH MODERN PACKAGES

GUIDING PRINCIPLES ALIGNING WITH MODERN PACKAGES 1. Addons are universal

packages 2. Imports are standard imports 3. Express dependencies as imports

ADDONS TODAY PUBLISHED AS DYNAMIC BUILD INSTRUCTIONS > _ ember

build ember-concurrency ember-moment ember-source dist/vendor.js define('ember-concurrency', [ '@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function /* ... */ }); define('@ember/component', [], function ( /* ... */ }); define('@ember/object', [], function () { /* ... */ });

ADDONS TODAY PUBLISHED AS DYNAMIC BUILD INSTRUCTIONS > _ ember

ADDONS IN POLARIS PUBLISHED AS UNIVERSAL PACKAGES https://emberjs.github.io/rfcs/0507-embroider-v2-package-format.html Universal Packages

NPM Registry package.json JavaScript Modules (ESM) “Modern” JavaScript Features Node Resolution Exports Maps TypeScript Types

ADDONS IN POLARIS PUBLISHED AS UNIVERSAL PACKAGES > _ npm

publish ember-concurrency .npmignore package.json tsconfig.json index.ts

ADDONS IN POLARIS PUBLISHED AS UNIVERSAL PACKAGES > _ npm

publish tsc ember-concurrency .npmignore package.json tsconfig.json index.ts

ADDONS IN POLARIS PUBLISHED AS UNIVERSAL PACKAGES ember-concurrency package.json index.js

index.d.ts ember-concurrency .npmignore package.json tsconfig.json index.ts > _ npm publish

GUIDING PRINCIPLES ALIGNING WITH MODERN PACKAGES 1. Addons are universal

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq';

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq'; package.json

{ "name": "my-app", /* ... */ "devDependencies": { "lodash": "^4.0.0" /* ... */ } }

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq'; node_modules

lodash uniq.js

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq'; import

task from 'ember-concurrency'; package.json { "name": "my-app", /* ... */ "devDependencies": { "ember-concurrency": "^2.2.1" /* ... */ } }

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq'; import

task from 'ember-concurrency'; node_modules ember-concurrency index.js

STANDARD IMPORTS NODE PACKAGE RESOLUTION import uniq from 'lodash/uniq'; import

task from 'ember-concurrency'; import { timeout } from 'ember-concurrency/utils'; // ERROR! import nope from 'ember-concurrency/private'; package.json { "name": "ember-concurrency", /* ... */ "exports": { ".": "./src/index.js", "./utils": "./src/concurrency-utils.js" } } Using exports Map https://nodejs.org/api/packages.html#subpath-exports

None

EMBROIDER A NEW BUILD PIPELINE? Powered By > _ ember

build my-app Bundles

EMBROIDER A NEW BUILD ARCHITECTURE Powered By > _ ember

build ember-concurrency ember-moment ember-source my-app Bundles

EMBROIDER A NEW BUILD ARCHITECTURE Powered By > _ ember

build ember-concurrency ember-moment ember-source my-app Bundles

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js import task from 'ember-concurrency';

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js import task from 'ember-concurrency'; import uniq from 'lodash/uniq';

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js import task from 'ember-concurrency'; import uniq from 'lodash/uniq'; import Tracker from './utils/tracker';

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js import task from 'ember-concurrency'; import uniq from 'lodash/uniq'; import Tracker from './utils/tracker'; utils/tracker.js

TREE SHAKING LAZY DEPENDENCY INCLUSION node_modules ember-concurrency index.js lodash unescape.js

union.js unionBy.js unionWith.js uniq.js unionBy.js unionWith.js app.js import task from 'ember-concurrency'; import uniq from 'lodash/uniq'; import Tracker from './utils/tracker'; utils/tracker.js import union from 'lodash/union';

EMBROIDER A NEW BUILD ARCHITECTURE Outsourced To Powered By >

_ ember build my-app Bundles

EMBROIDER A PLUGGABLE BUILD ARCHITECTURE Outsourced To Powered By >

_ ember build my-app Bundles

GUIDING PRINCIPLES ALIGNING WITH MODERN PACKAGES 1. Addons are universal

TREE SHAKING TODAY COULD IT BE DONE? dist/vendor.js define('ember-concurrency', [

'@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ }); define('@ember/object', [], function () { /* ... */ }); dist/my-app.js /* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; });

TREE SHAKING TODAY COULD IT BE DONE? dist/vendor.js define('ember-concurrency', [

'@ember/application', '@ember/object', '@ember/object/computed', /* ... */ ], function () { /* ... */ }); define('moment', [], function () { /* ... */ }); define('@ember/application', [], function () { /* ... */ }); define('@ember/component', [], function () { /* ... */ }); define('@ember/object', [], function () { /* ... */ }); dist/my-app.js /* ... */ define('my-app/components/loading-spinner', [], function() { /* ... */ }); define('my-app/components/date-picker', [ '@ember/component', 'ember-concurrency', 'moment', 'my-app/config/environment' ],function(Component, task, moment, ENV) { class DatePicker extends Component { /* ... */ } return DatePicker; }); define('my-app/config/environment', [], function () { return { environment: 'development', modulePrefix: 'my-app', /* ... */ }; });

TREE SHAKING TODAY COULD IT BE DONE? app/router.js import EmberRouter

from '@ember/routing/router'; export default class Router extends EmberRouter {} Router.map(function () { this.route('post'); });

TREE SHAKING TODAY COULD IT BE DONE? app/router.js import EmberRouter

from '@ember/routing/router'; export default class Router extends EmberRouter {} Router.map(function () { this.route('post'); }); app/controllers/post.js import Controller from '@ember/controller'; export default class PostController extends Controller { /* ... */ } app/routes/post.js import Route from '@ember/routing/route'; import { service } from '@ember/service'; export default class PostRoute extends Route { @service store; async model(params) { this.store.find('post', params.post_id); } }

TREE SHAKING TODAY COULD IT BE DONE? app/router.js import EmberRouter

from '@ember/routing/router'; export default class Router extends EmberRouter {} Router.map(function () { this.route('post'); }); app/controllers/post.js import Controller from '@ember/controller'; export default class PostController extends Controller { /* ... */ } app/routes/post.js import Route from '@ember/routing/route'; import { service } from '@ember/service'; export default class PostRoute extends Route { @service store; async model(params) { this.store.find('post', params.post_id); } }

EMBROIDER ENCODING EMBER CONVENTIONS Outsourced To Powered By my-app Bundles

my-app

BAD IDEA

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hello there, welcome

back! </Hello>

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" RFC #311 <AngleBracket>

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" Step 1. Find the component RFC #311 <AngleBracket>

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" Step 1. Find the component owner.factoryFor("component:hello"); RFC #311 <AngleBracket>

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" Step 1. Find the component owner.factoryFor("component:hello"); require("my-app/components/hello"); RFC #311 <AngleBracket> ember-resolver

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" Step 1. Find the component owner.factoryFor("component:hello"); require("my-app/components/hello"); (load the AMD module from app bundle) RFC #311 <AngleBracket> ember-resolver loader.js

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> Rendering a component named "hello" Step 1. Find the component owner.factoryFor("component:hello"); require("my-app/components/hello"); (load the AMD module from app bundle) Step 2. Setup the component Manager = getComponentManager(Hello); Template = getComponentTemplate(Hello); C = Manager.createComponent(Hello, Args); This = Manager.getContext(C); Step 3. Render render(Template, This, Args); document.createElement(!!"), etc RFC #311 <AngleBracket> ember-resolver loader.js RFC #213 Component Manager RFC #481 Co-location glimmer-vm

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <Hello> Hi there, welcome

back! </Hello> {{log Hello}} ~~~~~ Error. Hello is not a value! Rendering a component named "hello" Step 1. Find the component owner.factoryFor("component:hello"); require("my-app/components/hello"); (load the AMD module from app bundle) Step 2. Setup the component Manager = getComponentManager(Hello); Template = getComponentTemplate(Hello); C = Manager.createComponent(Hello, Args); This = Manager.getContext(C); Step 3. Render render(Template, This, Args); document.createElement(!!"), etc RFC #311 <AngleBracket> ember-resolver loader.js RFC #213 Component Manager RFC #481 Co-location glimmer-vm

TEMPLATES TODAY NAME BASED RESOLUTIONS app/components/welcome.hbs <HelloProvider as |Hello|> <Hello>

Hi there, welcome back! </Hello> {{!-- Works. Hello is a value! --}} {{log Hello}} </HelloProvider> Rendering the value Hello as a component Step 1. Find the component owner.factoryFor("component:hello"); require("my-app/components/hello"); (load the AMD module from app bundle) Step 2. Setup the component Manager = getComponentManager(Hello); Template = getComponentTemplate(Hello); C = Manager.createComponent(Hello, Args); This = Manager.getContext(C); Step 3. Render render(Template, This, Args); document.createElement(!!"), etc RFC #64 Contextual Components ember-resolver loader.js RFC #213 Component Manager RFC #481 Co-location glimmer-vm Skipped!

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

<template> <Hello> Hi there, welcome back! </Hello> {{!-- Works. Hello is a value! --}} {{log Hello}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

<template> <Hello> Hi there, welcome back! </Hello> {{!-- Works. Hello is a value! --}} {{log Hello}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

// Same value inside and outside the template console.log(Hello); <template> <Hello> Hi there, welcome back! </Hello> {{!-- Works. Hello is a value! --}} {{log Hello}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

const GREETING = 'Hi there'; <template> <Hello> {{GREETING}}, welcome back! </Hello> </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

/** * Randomly chosen a value for the given choices. */ function sample(...choices) { let i = Math.floor(Math.random() * choices.length); return choices[i]; } <template> <Hello> Hi there, welcome back! </Hello> {{sample 'You won a prize!' 'Better luck next time!'}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

import sample from 'my-app/helpers/sample'; <template> <Hello> Hi there, welcome back! </Hello> {{sample 'You won a prize!' 'Better luck next time!'}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Hello from 'my-app/components/hello';

import sample from 'lodash/sample'; import { array } from '@ember/helper'; <template> <Hello> Hi there, welcome back! </Hello> {{sample (array 'You won a prize!' 'Better luck next time!' )}} </template> RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

TEMPLATES IN POLARIS VALUES EVERYWHERE app/components/welcome.gjs import Component from '@glimmer/component';

import { tracked } from '@glimmer/tracking'; import { action } from '@ember/object'; import Hello from 'my-app/components/hello'; import sample from 'lodash/sample'; export default class Welcome extends Component { @tracked result = this.lottery(); @action retry() { this.result = this.lottery(); } lottery() { return sample(['You won a prize!', 'Better luck next time!']); } <template> <Hello>Hi there, welcome back!</Hello> {{this.result}} </template> } RFC #373 Modifier Manager RFC #432 Contextual Helpers/Modifiers RFC #496 Strict Mode Templates Refactor Handlebars parser and glimmer-vm RFC #625 Helper Manager RFC #756 Default Helper Manager RFC #779 <template>

Virtual EmberConf 2022: Platform State of the U...

Virtual EmberConf 2022: Platform State of the Union

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