[OE-core] [PATCH] npm.bbclass: introduce NPM_PXORY

[liu.ming50 at gmail.com]

From: Ming Liu <liu.ming50 at gmail.com>

This is needed to support building npm packages under environment with
proxy setting.

Signed-off-by: Ming Liu <liu.ming50 at gmail.com>
---
 meta/classes/npm.bbclass | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/meta/classes/npm.bbclass b/meta/classes/npm.bbclass
index 6dbae6b..0f37f30 100644
--- a/meta/classes/npm.bbclass
+++ b/meta/classes/npm.bbclass
@@ -24,6 +24,9 @@ def npm_oe_arch_map(target_arch, d):
 NPM_ARCH ?= "${@npm_oe_arch_map(d.getVar('TARGET_ARCH'), d)}"
 NPM_INSTALL_DEV ?= "0"
 
+# Format: http://proxyhost:proxyport
+NPM_PROXY ?= ""
+
 npm_do_compile() {
 	# Copy in any additionally fetched modules
 	if [ -d ${WORKDIR}/node_modules ] ; then
@@ -32,6 +35,13 @@ npm_do_compile() {
 	# changing the home directory to the working directory, the .npmrc will
 	# be created in this directory
 	export HOME=${WORKDIR}
+	if [ -n "${NPM_PROXY}" ]; then
+		npm config set proxy ${NPM_PROXY}
+		npm config set https-proxy ${NPM_PROXY}
+	else
+		npm config set proxy null
+		npm config set https-proxy null
+	fi
 	if [  "${NPM_INSTALL_DEV}" = "1" ]; then
 		npm config set dev true
 	else
-- 
2.7.4