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Contents
# frozen_string_literal: true
require "json"
require "forwardable"
require "pathname"
require "source_map"
module Pakyow
module Assets
class SourceMap
class << self
def mapping_url(path:, type:)
case type.to_sym
when :css
"\n/*# sourceMappingURL=#{path}.map */\n"
when :javascript
"\n//# sourceMappingURL=#{path}.map\n"
end
end
end
extend Forwardable
def_delegators :@internal, :mappings
attr_reader :file, :sources, :sources_content
def initialize(content = nil, file:)
@file = file
@raw = content
if content.is_a?(String)
content = JSON.parse(content)
end
@sources = if content
content["sources"].dup
else
[]
end
@sources_content = if content
content["sourcesContent"].to_a
else
[]
end
@internal = if content.nil?
::SourceMap.new
else
::SourceMap.from_json(content)
end
end
def merge(other)
tap do
other.mappings.each do |mapping|
@internal.add_mapping(mapping)
end
@sources.concat(other.sources)
@sources_content.concat(other.sources_content)
end
end
def mime_type
"application/octet-stream"
end
def bytesize
read.bytesize
end
def read
root = "/"
map = @internal.as_json
map["file"] = @file
map["sourceRoot"] = root
# The source_map gem reorders sources, so make sure that the sources content matches.
#
map["sourcesContent"] = map["sources"].map { |source|
@sources_content[@sources.index(source)]
}
map["sources"].map! do |source|
File.join(root, source)
end
map.to_json
end
def each(&block)
StringIO.new(read).each(&block)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems