Ace uses require.js and ace modules used in application can be optimized as usual.

However some parts need special handling.

• Ace has many themes and modes, and including them all in a minimized file isn't good for performance.
• Some Ace modes use Web workers for syntax validation, and files that need to be loaded into Web worker must be optimized separately.

The easiest way is to keep ace/build as well and let Ace to automatically load files from it when needed.

Add the following snippet in optimized version

var config = require("ace/config")
config.set("packaged", true)

var path = "js/modules/ace/build/src-min"
config.set("basePath", path)

Paths for each type of module can be configured separately

config.set("workerPath", path)
config.set("modePath", path)
config.set("themePath", path)

this is useful since due to cross-origin resource sharing restrictions workers must be served from the same domain as the main app.