# Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).
# Licensed under the Apache License, Version 2.0 (see LICENSE).

from pants.base.payload import Payload
from pants.build_graph.target import Target

from pants.contrib.scalajs.targets.scala_js_target import ScalaJSTarget


class ScalaJSLibrary(ScalaJSTarget, Target):
    """A library with scala sources, intended to be compiled to Javascript.

    Linking multiple libraries together into a shippable blob additionally requires a ScalaJSBinary
    target.
    """

    def __init__(self, sources=None, address=None, payload=None, **kwargs):
        """
        :param sources: Scala source that makes up this module; paths are relative to the BUILD
                        file's directory.
        :type sources: `globs`, `rglobs` or a list of strings
        """
        payload = payload or Payload()
        payload.add_fields(
            {
                "sources": self.create_sources_field(
                    sources=sources, sources_rel_path=address.spec_path, key_arg="sources"
                ),
            }
        )
        super().__init__(address=address, payload=payload, **kwargs)