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Micro Frontends with Modern Angular
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Manfred Steyer
PRO
November 09, 2023
Programming
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Micro Frontends with Modern Angular
Manfred Steyer
PRO
November 09, 2023
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Transcript
@ManfredSteyer Micro Frontends with Modern Angular ManfredSteyer
@ManfredSteyer Angular is changing …
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Federation & Standalone & esbuild Frankenstein w/ Angular Elements
Deferred Loading SSR & Hydration w/ @angular/ssr
@ManfredSteyer Manfred Steyer
@ManfredSteyer
@ManfredSteyer Booking App Check-in App Boarding App Luggage App
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer const Component = await import('other-app/xyz')
@ManfredSteyer const Component = await import('other-app/xyz')
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Mindset: Module Federation EcmaScript Modules Import Maps Simple config,
sharing libs
@ManfredSteyer
@ManfredSteyer 1. ng add @angular-architects/native-federation […] 2. Adjust generated config
3. Start Shell and Micro Frontends
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Wrap them into Web Components Angular App (MFE) React
App (MFE)
@ManfredSteyer → npm install @angular/elements
@ManfredSteyer → // bootstrap.ts const app = await createApplication({ providers:
[], });
@ManfredSteyer → // bootstrap.ts const app = await createApplication({ providers:
[], }); const webCmp = createCustomElement(AppComponent, { injector: app.injector, });
@ManfredSteyer → // bootstrap.ts const app = await createApplication({ providers:
[], }); const webCmp = createCustomElement(AppComponent, { injector: app.injector, }); customElements.define('mfe2-root', webCmp);
@ManfredSteyer → // bootstrap.ts const app = await createApplication({ providers:
[], }); const webCmp = createCustomElement(AppComponent, { injector: app.injector, }); customElements.define('mfe2-root', webCmp); // Usage: <mfe2-root></mfe2-root>
@ManfredSteyer // federation.config.js module.exports = withNativeFederation({ […] exposes: { './web-comp':
'./projects/mfe2/src/bootstrap.ts', }, […] });
@ManfredSteyer
@ManfredSteyer await loadRemoteModule('other-app', './web-cmp');
@ManfredSteyer await loadRemoteModule('other-app', './web-cmp'); const rootElm = document.createElement('mfe2-root'); document.body.appendChild(rootElm);
@ManfredSteyer await loadRemoteModule('other-app', './web-cmp'); const rootElm = document.createElement('web-cmp') document.body.appendChild(rootElm); WrapperComponent
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Title Content Call to Action Info More Info
@ManfredSteyer @defer on viewport { @main { <heavy-cmp /> }
@placeholder { <img src="ph.png"> } […] }
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer 1. Server: Render index.html 2. Client: Make app interactive
(Hydration)
@ManfredSteyer ng add @angular/ssr - or - ng new --ssr
@ManfredSteyer
@ManfredSteyer
@ManfredSteyer Host Remote Remote HTML HTML
@ManfredSteyer 1. Server: Load HTML Fragments from MF 2. Client:
Load MF via Federation (Hydration)
@ManfredSteyer Easy No Version Conflicts Lot of Experience
@ManfredSteyer
@ManfredSteyer ng add @angular/ssr ng add @angular-architects/native-federation …
@ManfredSteyer ng g @angular-architects/native-federation:remove … ng add @angular/ssr ng add
@angular-architects/native-federation …
@ManfredSteyer
@ManfredSteyer SPA + SSR Classic SPA Complexity Complexity Monolith MF
Frankenstein Biz Apps B2C Team Autonomy →
@ManfredSteyer
@ManfredSteyer Free eBook (5th Edition) ANGULARarchitects.io/book Module Federation & Nx
@ManfredSteyer Module Federation: Mental Model rocks! Native Federation Deferred Loading
SSR with HTML Fragments
@ManfredSteyer d Slides & Examples Remote Company Workshops and Consulting
http://angulararchitects.io