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lustre
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1.0.0
Create HTML templates, single page applications, Web Components, and real-time server components in Gleam!
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Files
src/lustre@element.erl
-module(lustre@element).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-export([element/3, keyed/2, namespaced/4, advanced/6, text/1, none/0, map/2, to_string/1, to_document_string/1, to_string_builder/1, to_document_string_builder/1]).
-spec element(
binary(),
list(lustre@internals@vdom:attribute(OQC)),
list(lustre@internals@vdom:element(OQC))
) -> lustre@internals@vdom:element(OQC).
element(Tag, Attrs, Children) ->
case Tag of
<<"area"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"base"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"br"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"col"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"embed"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"hr"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"img"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"input"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"link"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"meta"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"param"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"source"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"track"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
<<"wbr"/utf8>> ->
{element, <<""/utf8>>, <<""/utf8>>, Tag, Attrs, [], false, true};
_ ->
{element,
<<""/utf8>>,
<<""/utf8>>,
Tag,
Attrs,
Children,
false,
false}
end.
-spec do_keyed(lustre@internals@vdom:element(OQP), binary()) -> lustre@internals@vdom:element(OQP).
do_keyed(El, Key) ->
case El of
{element, _, Namespace, Tag, Attrs, Children, Self_closing, Void} ->
{element, Key, Namespace, Tag, Attrs, Children, Self_closing, Void};
{map, Subtree} ->
{map, fun() -> do_keyed(Subtree(), Key) end};
_ ->
El
end.
-spec keyed(
fun((list(lustre@internals@vdom:element(OQI))) -> lustre@internals@vdom:element(OQI)),
list({binary(), lustre@internals@vdom:element(OQI)})
) -> lustre@internals@vdom:element(OQI).
keyed(El, Children) ->
El(
(gleam@list:map(
Children,
fun(_use0) ->
{Key, Child} = _use0,
do_keyed(Child, Key)
end
))
).
-spec namespaced(
binary(),
binary(),
list(lustre@internals@vdom:attribute(OQS)),
list(lustre@internals@vdom:element(OQS))
) -> lustre@internals@vdom:element(OQS).
namespaced(Namespace, Tag, Attrs, Children) ->
{element, <<""/utf8>>, Namespace, Tag, Attrs, Children, false, false}.
-spec advanced(
binary(),
binary(),
list(lustre@internals@vdom:attribute(OQY)),
list(lustre@internals@vdom:element(OQY)),
boolean(),
boolean()
) -> lustre@internals@vdom:element(OQY).
advanced(Namespace, Tag, Attrs, Children, Self_closing, Void) ->
{element, <<""/utf8>>, Namespace, Tag, Attrs, Children, Self_closing, Void}.
-spec text(binary()) -> lustre@internals@vdom:element(any()).
text(Content) ->
{text, Content}.
-spec none() -> lustre@internals@vdom:element(any()).
none() ->
{text, <<""/utf8>>}.
-spec escape(binary(), binary()) -> binary().
escape(Escaped, Content) ->
case Content of
<<"<"/utf8, Rest/binary>> ->
escape(<<Escaped/binary, "<"/utf8>>, Rest);
<<">"/utf8, Rest@1/binary>> ->
escape(<<Escaped/binary, ">"/utf8>>, Rest@1);
<<"&"/utf8, Rest@2/binary>> ->
escape(<<Escaped/binary, "&"/utf8>>, Rest@2);
<<"\""/utf8, Rest@3/binary>> ->
escape(<<Escaped/binary, """/utf8>>, Rest@3);
<<"'"/utf8, Rest@4/binary>> ->
escape(<<Escaped/binary, "'"/utf8>>, Rest@4);
_ ->
case gleam@string:pop_grapheme(Content) of
{ok, {X, Xs}} ->
escape(<<Escaped/binary, X/binary>>, Xs);
{error, _} ->
Escaped
end
end.
-spec map(lustre@internals@vdom:element(ORI), fun((ORI) -> ORK)) -> lustre@internals@vdom:element(ORK).
map(Element, F) ->
case Element of
{text, Content} ->
{text, Content};
{map, Subtree} ->
{map, fun() -> map(Subtree(), F) end};
{element, Key, Namespace, Tag, Attrs, Children, Self_closing, Void} ->
{map,
fun() ->
{element,
Key,
Namespace,
Tag,
gleam@list:map(
Attrs,
fun(_capture) ->
lustre@attribute:map(_capture, F)
end
),
gleam@list:map(
Children,
fun(_capture@1) -> map(_capture@1, F) end
),
Self_closing,
Void}
end}
end.
-spec to_string(lustre@internals@vdom:element(any())) -> binary().
to_string(Element) ->
lustre@internals@vdom:element_to_string(Element).
-spec to_document_string(lustre@internals@vdom:element(any())) -> binary().
to_document_string(El) ->
_pipe = lustre@internals@vdom:element_to_string(case El of
{element, _, _, <<"html"/utf8>>, _, _, _, _} ->
El;
{element, _, _, <<"head"/utf8>>, _, _, _, _} ->
element(<<"html"/utf8>>, [], [El]);
{element, _, _, <<"body"/utf8>>, _, _, _, _} ->
element(<<"html"/utf8>>, [], [El]);
_ ->
element(
<<"html"/utf8>>,
[],
[element(<<"body"/utf8>>, [], [El])]
)
end),
gleam@string:append(<<"<!doctype html>\n"/utf8>>, _pipe).
-spec to_string_builder(lustre@internals@vdom:element(any())) -> gleam@string_builder:string_builder().
to_string_builder(Element) ->
lustre@internals@vdom:element_to_string_builder(Element).
-spec to_document_string_builder(lustre@internals@vdom:element(any())) -> gleam@string_builder:string_builder().
to_document_string_builder(El) ->
_pipe = lustre@internals@vdom:element_to_string_builder(case El of
{element, _, _, <<"html"/utf8>>, _, _, _, _} ->
El;
{element, _, _, <<"head"/utf8>>, _, _, _, _} ->
element(<<"html"/utf8>>, [], [El]);
{element, _, _, <<"body"/utf8>>, _, _, _, _} ->
element(<<"html"/utf8>>, [], [El]);
_ ->
element(
<<"html"/utf8>>,
[],
[element(<<"body"/utf8>>, [], [El])]
)
end),
gleam@string_builder:prepend(_pipe, <<"<!doctype html>\n"/utf8>>).