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A DIY Guide To Building
Your Own Rendering
Engine
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Francesco Strazzullo
(AKA Strazz)
@TheStrazz86
(Follow me on Twitter!)
Ego Slide
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WE DEVELOP DIGITAL
PROJECT TOGETHER
WITH YOU.
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Start With Why
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Why should you learn to
build a Rendering
Engine?
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Let me tell you a story...
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Some years ago, we had
to create a new
front-end application
on top of an old Java
Framework...
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We couldn’t add new
dependencies...
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The only available
libraries were jQuery
and underscore
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We delivered the
project, but our team
was unhappy
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Photo by George Bonev on Unsplash
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Microwave spaghetti bolognese by BBC Food
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We panicked
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“Never Manipulate the
DOM”
Every JavaScript Developer
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Manipulating DOM is
hard
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Manipulating DOM is
important for a
frontend developer
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We should be able to
“own” rendering code
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Principles
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Choose a simple
Architecture
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YAGNI
(You aren't gonna need it)
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“Premature
optimization is the root
of all evil”
Donald Knuth
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Performance is UX
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stats.js
http://mrdoob.github.io/stats.js/
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Eat The Frog
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https://github.com/francesco-strazzullo/jdsay-talk-2019
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What's next?
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Event Handlers
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Web Components
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What I learned
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Manipulating DOM is (not
so) hard
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A custom Rendering
Engine can live in harmony
with frameworks
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It’s not a black or white
solution
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How to decide if it’s a good
solution?
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To be continued...
https://medium.com/@TheStrazz86/framework-compass-chart-d3851c25b45d
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One last thing...
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https://www.apress.com/it/book/9781484249666
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http://frameworklessmovement.org/