first meetup! ✈️

Author: fallafeljan

01-11-17.md

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+Proposed Topics:
+* Glenn: GraphQL
+* Glenn: `react-fiber`
+* Glenn: Static typing
+* Jan: Zeit (now, next, Hyper)
+* Jan: WebAssembly
+* Richard: `react-native`
+* React alternatives: Preact, Inferno, Vue, ...
+* Chris: Testing
+* HMR
+* Thomas: RxJS
+
+Discussed Topics:
+* 2016 in Review: Chris (short introduction into Meteor)
+* Tooling (Webpack vs. meteor; Webpack code splitting for efficient routing; Webpack as successor to task runners?)
+* `react-router` (version 3 vs. 4), 
+* `recompose` (trivial composition of higher-order components)
+* `reselect` (simplification of Redux state, keeping just minimal information)
+* truck factor 🚛
+* `styled-jsx`, CSS components: Why possibly use CSS in JavaScript? Keep CSS independent of JavaScript? (cascading vs. namespacing), `styled-components`
+* Glenn: `react-fiber`: Complete rewrite of React core, mainly vdom-diffing. Laggy animations induced by re-rendered components in hierarchy tree are supposed to be fixed (but still highly experimental state)
+* async/await vs. futures (async calls within synchronuous environments) (coming from Meteor fibers)
+* yarn vs. npm shrinkwrap: Works quite well in production, lockfile (yarn.lock) easily mergeable; yarn tracks sub-package versions; yarn is amazingly fast ⚡
+* Static typing: flow vs. TypeScript
+  * Glenn tries to use as much flow as possible for smaller modules
+  * Michael and Thomas: All code adapted to TypeScript
+  * Collections of types: `flow-typed` (https://github.com/flowtype/flow-typed), DefinitelyTyped (https://github.com/DefinitelyTyped/DefinitelyTyped)
+* Testing: Jest? How to approach React testing?
+  * Glenn: snapshots & static typing do lot of work beforehand (https://facebook.github.io/jest/docs/tutorial-react.html#snapshot-testing)
+  * JavaScript without typing is more of a fear-driven development.
+  * Don't over-test (huge payload, overhead when making changes); Richard: focus on acceptance- and e2e-tests
+  * Automated testing: Chimp (https://chimp.readme.io/)
+* Chris: How to test recompose-HOCs?
+
+Deferred Topics:
+* Server-side rendering (https://prerender.io/; Google execution of JavaScript?)
+* Hot module replacement (HMR)
+* GraphQL
+* `react-native`