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0.1.0-alpha.0
A component based library for Phoenix LiveView
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lib/mix/tasks/surface/surface.init/file_patchers/component.ex
defmodule Mix.Tasks.Surface.Init.FilePatchers.Component do
@moduledoc false
alias Mix.Tasks.Surface.Init.ExPatcher
import ExPatcher
def add_config(code, component, config) do
config_entry = "{#{component}, #{config}}"
patcher =
code
|> parse_string!()
|> find_call_with_args(:config, &match?([":surface", ":components", _], &1))
|> last_arg()
case patcher do
%ExPatcher{node: nil} ->
code
|> parse_string!()
|> find_call_with_args(:import, &(&1 == ["Config"]))
|> append_code("""
config :surface, :components, [
#{config_entry}
]\
""")
components_patcher ->
components_patcher
|> halt_if(&find_list_item_containing(&1, component), :already_patched)
|> append_list_item(config_entry)
end
end
end