The State of Angular - Speaker Deck

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@yourtwitter The State of Angular Minko Gechev twitter.com/mgechev github.com/mgechev blog.mgechev.com

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@mgechev

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@mgechev Framework

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@mgechev Framework CLI Components

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@mgechev Framework CLI Components i18n Language service Router Animations Forms PWA HTTP More!

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@yourtwitter https://unsplash.com/photos/rafblRbne3o

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@mgechev 2,500+ Projects at Google

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@mgechev

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Predictability vs Flexibility trade-offs Predictable Flexible

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Static vs Dynamic trade-offs Static Dynamic

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Static vs Dynamic trade-offs Static Dynamic Rust Haskell Idris C# / Java Go JavaScript TypeScript Ruby

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Static vs Dynamic trade-offs Static Dynamic

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• Compile-time optimizations • Excellent IDE/text editor support • Strict type checking • Source code visualization • Lazy component loading • Dynamic UI assembling • Fast (no) builds Static Dynamic

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twitter.com/mgechev

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twitter.com/mgechev 15% of bugs detectable at build time

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twitter.com/mgechev

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twitter.com/mgechev

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@mgechev What’s new in Angular?

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@mgechev v10 and beyond • Opt-in strict flag • Increase visibility

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@mgechev • Opt-in strict flag • Increase visibility v10 and beyond

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@mgechev Strict Mode Strict TypeScript type checking strictTemplates in Angular Opt-in ES5 support Opt-in CommonJS support Reduced side-effects

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@mgechev

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twitter.com/mgechev >15% of bugs detectable at build time

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@mgechev Opt-in CommonJS

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twitter.com/mgechev https://web.dev/commonjs-larger-bundles/

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@mgechev • Opt-in strict flag • Increase visibility v10 and beyond

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@mgechev

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@mgechev Stability, DX, and Speed

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@mgechev Byelog TypeScript 4 e2e testing Ivy libraries Trusted types Future RxJS Current projects MDC Web Harnesses

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Byelog • Up to 50% in issue triage • 30% fewer issues in CLI • < 40 untriaged components issues

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Ivy library distribution @Component({ selector: 'app', template: ' ...' }) class AppComponent { ... } export class AppComponent { ... } AppComponent.ɵcmp = ng.$ngDeclareComponent({ ... }); ngc publishedLibrary

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Ivy library distribution ngl export class AppComponent { ... } AppComponent.ɵcmp = ng.$ngDeclareComponent({ ... }); export class AppComponent { ... } AppComponent.ɵcmp = ng.defineComponent({ ... });

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@mgechev

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@mgechev ESLint Better forms webpack 5 Ergonomic code-splitting Remove VE DevTools Future projects Optional Zone Optional NgModules

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webpack 5 • Better tree-shaking • Persistent disk caching

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Angular DevTools

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twitter.com/mgechev @mgechev Stability, DX, and Speed

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@mgechev Thank you! twitter.com/mgechev github.com/mgechev blog.mgechev.com Survey: mgv.io/talk