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drab
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0.1.0
Remote controlled frontend framework for Phoenix.
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lib/drab/template.ex
defmodule Drab.Template do
require IEx
require Logger
@drab_templates "/templates/drab"
@moduledoc false
# compiling internal templates only
# TODO: find a way to compile also user additional templates
Logger.info "Compiling Drab Templates"
drab_templates = Path.join([:code.priv_dir(:drab) |> to_string(), @drab_templates, "*"]) |> Path.wildcard()
for template_with_path <- drab_templates do
@external_resource template_with_path
filename = Path.basename(template_with_path)
compiled = EEx.compile_file(template_with_path) |> Macro.escape
defp compiled_template(unquote(filename)) do
unquote(compiled)
end
end
# catch-all is to give a warning when file not found
defp compiled_template(filename) do
raise "Can't find the template `#{filename}` in `#{user_templates()}`"
end
@doc false
def render_template(filename, bindings) do
# TODO: this is not very efficient, as it searches for a template every single time
p = Path.join(user_templates(), filename)
if p |> File.exists? do
EEx.eval_file(p, bindings)
else
{result, _} = Code.eval_quoted(compiled_template(filename), bindings)
result
end
end
defp user_templates(), do: Drab.Config.get(:templates_path)
end