class TinyMCE::Rails::PropshaftManifest

def self.try(manifest_path)
  json_file = File.join(manifest_path, ".manifest.json")
  new(json_file) if File.exist?(json_file)
end

def append(logical_path, file)
  assets[logical_path] = logical_path
end

def assets
  @manifest
end

def dump
  JSON.generate(@manifest)
end

def initialize(file)
  @file = file
  @manifest = JSON.parse(File.read(file))
end

def remove(logical_path)
  assets.delete(logical_path)
end

def remove_digest(logical_path)
  asset_path(logical_path) do |digested, logical_path|
    assets[logical_path] = logical_path
    yield digested, logical_path if block_given?
  end
end

def write
  File.open(@file, "wb") { |f| f.write(dump) }
end