dev-js/*: pelias-openstreetmap dependencies

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-js/through2-map/through2-map-3.0.0.ebuild

@@ -0,0 +1,19 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit node
+
+DESCRIPTION="A through2 to create an Array.prototype.map analog for streams."
+HOMEPAGE="
+	https://github.com/brycebaril/through2-map
+	https://www.npmjs.com/package/through2-map
+"
+LICENSE="MIT"
+KEYWORDS="~amd64"
+RDEPEND="
+	${NODEJS_RDEPEND}
+	dev-js/through2
+	dev-js/xtend
+"