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Fix sprockets issue #1

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Fix sprockets issue #1

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a565ce9
Follow sproket engine interface guidelines
Jul 25, 2016
2d4211c
Clarify syntax, add comments
Jul 25, 2016
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16 changes: 16 additions & 0 deletions lib/css_splitter/sprockets_engine.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,22 @@ def self.engine_initialized?
def prepare
end

def self.call(input)
data_in = input[:data]

# Instantiate Sprockets::Context to pass along helper methods for Tilt
# processors
context = input[:environment].context_class.new(input)

# Pass the asset file contents as a block to the template engine,
# then get the results of the engine rendering
engine = self.new { data_in }
rendered_data = engine.render(context, {})

# Return the data and any metadata (ie file dependencies, etc)
context.metadata.merge(data: rendered_data.to_str)
end

def evaluate(scope, locals, &block)
# Evaluate the split if the asset is named with a trailing _split2, _split3, etc.
if scope.logical_path =~ /_split(\d+)$/
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