re: We reduced our vendor.js from 210kb to 16kb in about five minutes of work and ten lines of code VIEW POST

FULL DISCUSSION
 

Unfortunately, Firefox has not yet implemented dynamic import. How do you do progressive enhancement for module browsers that don't implement import()?

 

TLDR; : with transpilation

dev.to uses webpacker which supports dynamic import (it also supports prefetch and preload). This in turn is supported through Babel (a transpiler), with @babel/plugin-syntax-dynamic-import

 

well, in order to transpile import() you need a way to a) convert modules to scripts and b) dynamically load those scripts.

Sounds like Async Module Definition.

I did a half-hearted poke through the production code, and it looked more like cjs to me. Just curious what kind of 'modules' are actually serving down to clients.

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