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glint

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Gleam command-line argument parsing with flags and automated help text generation.

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glint src glint@style.erl
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src/glint@style.erl 

-module(glint@style).

-compile(no_auto_import).



-export([lookups/1, heading/3]).

-export_type([pretty_help/0]).



-type pretty_help() :: {pretty_help,

        list(binary()),

        list(binary()),

        list(binary())}.



-spec lookups(pretty_help()) -> list({list(binary()),

    list({binary(), list(binary())})}).

lookups(Pretty) ->

    [{[<<"color"/utf8>>, <<"background"/utf8>>],

            [{<<"usage"/utf8>>, erlang:element(2, Pretty)},

                {<<"flags"/utf8>>, erlang:element(3, Pretty)},

                {<<"subcommands"/utf8>>, erlang:element(4, Pretty)}]}].



-spec heading(

    list({list(binary()), list({binary(), list(binary())})}),

    binary(),

    binary()

) -> binary().

heading(Lookups, Heading, Colour) ->

    _pipe = shellout:display(

        [<<"bold"/utf8>>, <<"italic"/utf8>>, <<"underline"/utf8>>]

    ),

    _pipe@1 = gleam@map:merge(_pipe, shellout:color([Colour])),

    shellout:style(Heading, _pipe@1, Lookups).