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Raynos/amd.md

Created October 29, 2013 00:52
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amd.md

AMD Pros

  • No build step
  • CORS loading of modules
  • etc...

No build step.

Genuine use case. I appreciate that.

However in some / most cases having an optimizing build step is worth while, in those cases you have a build step anyway so the advantage is lost.

CORS loading of modules

Unless your loading say https://amdjs.org/jquery/2.1.3 loading arbitrary scripts at arbitrary versions is very dangerous. Having hard experience with dependending on semver ranges in node & browserify, patch version changes break back compat some times which lead to production bugs at arbitrary times.

Hence fixing versions is worthwhile.

If your going to load [email protected] remotely over CORS then you could also have loaded it locally because it exists and you can download and bundle it.

One valid use case to do this is a shared CDN to take advantage of CORS caching shared among many users. This again is only valid for modules that are popular and is an exception to the norm.

@domenic
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domenic commented Oct 29, 2013

"CORS loading of modules" is a bit misstated. The only use-case AMD solves in this regard:

  • Loading of modules from other domains
  • Which don't have CORS enable for those resources
  • And have been prepackaged as AMD format

Any CDN should probably be enabling CORS for resources it wants people to be able to load from other domains.

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