node.eclass: new eclass

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

eclass/node.eclass

@@ -0,0 +1,135 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: node.eclass
+# @MAINTAINER: Alessandro Barbieri
+# @AUTHOR:
+# Alessandro Barbieri
+# msirabella
+# @BLURB: Eclass used to create and maintain node based packages
+# @DESCRIPTION: Node eclass for nodejs' based packages
+
+EXPORT_FUNCTIONS src_prepare src_compile src_install src_test src_configure
+
+SLOT="0"
+PN_LEFT="${PN%%+*}"
+PN_RIGHT="${PN#*+}"
+NODEJS_DEPEND="net-libs/nodejs"
+NODEJS_RDEPEND="${NODEJS_DEPEND}"
+NODEJS_BDEPEND="
+	app-misc/jq
+	net-misc/rsync
+
+	net-libs/nodejs[npm]
+"
+#	|| ( net-libs/nodejs[npm] dev-node/npm )
+
+DEPEND="${NODEJS_DEPEND}"
+RDEPEND="${NODEJS_RDEPEND}"
+BDEPEND="${NODEJS_BDEPEND}"
+
+NODE_MODULE_PREFIX="${T}/prefix"
+NPM="npm"
+#NPM_FLAGS=""
+
+case "${PN}" in
+	*+*)
+	SRC_URI="mirror://npm/@${PN_LEFT}/${PN_RIGHT}/-/${PN_RIGHT}-${PV}.tgz -> ${P}.tgz"
+	;;
+
+	*)
+	SRC_URI="mirror://npm/${PN}/-/${P}.tgz"
+	;;
+esac
+case "${PN}" in
+	*types+*)
+	S="${WORKDIR}/${PN_RIGHT}"
+	;;
+
+	*)
+	S="${WORKDIR}/package"
+	;;
+esac
+
+node_src_prepare() {
+	#remove version constraints on dependencies
+	jq 'if .dependencies? then .dependencies[] = "*" else . end' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+	jq 'if .devDependencies? then .devDependencies[] = "*" else . end' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+
+	#here we trick npm into believing there are no dependencies so it will not try to fetch them
+	jq 'with_entries(if .key == "dependencies" then .key = "deps" else . end)' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+	jq 'with_entries(if .key == "devDependencies" then .key = "devDeps" else . end)' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+
+	# are those useful?
+	rm -fv npm-shrinkwrap.json package-lock.json yarn.lock pnpm-lock.yaml || die
+
+	#delete some trash
+	find . -iname 'code-of-conduct*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'code_of_conduct*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'contributing*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'contribution*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'dockerfile*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'issue_template*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'license*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'licence*' -maxdepth 1 -exec rm -rv "{}" \; || die
+	find . -iname 'pull_request_template*' -maxdepth 1 -exec rm -rv "{}" \; || die
+
+	default
+}
+
+node_src_configure() {
+	export PATH="${PATH}:/opt/node-debian/usr/bin"
+	#path to the modules
+	export NODE_PATH="/usr/$(get_libdir)/node_modules:/opt/node-debian/usr/share/nodejs"
+	export npm_config_prefix="${NODE_MODULE_PREFIX}"
+	#path to the headers needed by node-gyp
+	export npm_config_nodedir="/usr/include/node"
+#	export npm_config_tmp="${T}"
+
+	in_iuse test || export NODE_ENV="production"
+
+	"${NPM}" config set offline true || die
+	"${NPM}" config set audit false || die
+	"${NPM}" config set fund false || die
+}
+
+node_src_compile() {
+	"${NPM}" install ${NPM_FLAGS} --global || die
+}
+
+node_src_install() {
+	#restore original package.json
+	jq 'with_entries(if .key == "deps" then .key = "dependencies" else . end)' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+	jq 'with_entries(if .key == "devDeps" then .key = "devDependencies" else . end)' package.json > package.json.temp || die
+	mv package.json.temp package.json || die
+
+	#should I delete all the dotfiles?
+	rm -rvf $(find . -iname ".[!.]*") || die
+
+	#install some files in the docdir
+	find . -iname "authors*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "changelog*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "changes*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "copyright*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "history*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "notice*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "readme*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+	find . -iname "security*" -maxdepth 1 -exec dodoc "{}" \; -exec rm "{}" \; || die
+
+	#copy files instead of symlinks
+	rsync -aLAX "${NODE_MODULE_PREFIX}/" "${ED}/usr" --exclude /bin || die
+
+	if [ -d "${NODE_MODULE_PREFIX}/bin" ] ; then
+		#keep the symlinks
+		rsync -aAX "${NODE_MODULE_PREFIX}/bin/" "${ED}/usr/bin" || die
+	fi
+}
+
+node_src_test() {
+	npm test || die
+}