asset pipeline - Sprockets/Rails: Find all files Sprockets knows how to compile -

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for konacha, rails engine testing rails apps, need way find files sprockets can compile javascript.

right use like

dir['spec/javascripts/**/*_spec.*']

but picks .bak, .orig, , other backup files.

can sprockets tell somehow whether knows how compile file, backup files automatically excluded?

content_type_of doesn't help:

rails.application.assets.content_type_of('test/javascripts/foo.js.bak') => "application/javascript"

you can iterate through files in sprockets::environment's load path using each_file method:

rails.application.assets.each_file { |pathname| ... }

the block invoked pathname instance expanded path of each file in load path.

each_file returns enumerator, can skip block , array to_a, or call include? on it. example, check whether file in load path:

assets = rails.application.assets pathname1 = pathname.new("test/javascripts/foo.js").expand_path pathname2 = pathname.new("test/javascripts/foo.js.bak").expand_path assets.each_file.include?(pathname1) # => true assets.each_file.include?(pathname2) # => false

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