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Contents
# frozen_string_literal: true
module ThemeCheck
# Reports errors when too much CSS is being referenced from a Theme App
# Extension block
class AssetSizeAppBlockCSS < LiquidCheck
severity :error
category :performance
doc docs_url(__FILE__)
# Don't allow this check to be disabled with a comment,
# since we need to be able to enforce this server-side
can_disable false
attr_reader :threshold_in_bytes
def initialize(threshold_in_bytes: 100_000)
@threshold_in_bytes = threshold_in_bytes
end
def on_schema(node)
schema = JSON.parse(node.value.nodelist.join)
if (stylesheet = schema["stylesheet"])
size = asset_size(stylesheet)
if size && size > threshold_in_bytes
add_offense(
"CSS in Theme App Extension blocks exceeds compressed size threshold (#{threshold_in_bytes} Bytes)",
node: node
)
end
end
rescue JSON::ParserError
# Ignored, handled in ValidSchema.
end
private
def asset_size(name)
asset = @theme["assets/#{name}"]
return if asset.nil?
asset.gzipped_size
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems