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Grunt: The JavaScript Task Runner
WORK IN PROGRESS
Here are some of the benefits of using grunt:
Gruntfiles are completely defined in standard JavaScript or CoffeeScript.
No XML, no custom syntax.
Configuration is declarative.
Since the Gruntfile is JavaScript, the grunt API can be used to dynamically build the configuration.
A collection of officially-maintained "contrib" plugins exists to help you get started.
The most common tasks, like concatenating and minifying files, linting code, running unit tests, etc have already been created.
Creating custom tasks and grunt plugins is easy.
Full documentation and API reference are available.