Fix install / build by using latest LTS node (#364)

* Fix #363 by using latest LTS node

Signed-off-by: Joe Farro <joef@uber.com>

* Do not test pre-LTS versions of node in travis

Signed-off-by: Joe Farro <joef@uber.com>

* Do not save prom-client to package.json

Signed-off-by: Joe Farro <joef@uber.com>

Author: tiffon

.nvmrc

@@ -1 +1 @@
-6
+lts/dubnium

.travis.yml

@@ -1,10 +1,8 @@
 sudo: required
 
+# Travis will use .nvmrc, by default
 language: node_js
 
-node_js:
-- '6'
-
 cache:
   directories:
   - ~/.npm
@@ -19,9 +17,9 @@ matrix:
     sudo: required
     services:
       - docker
-  - env: TEST_NODE_VERSION=6 LINT=1 COVER=1
   - env: TEST_NODE_VERSION=4
-  - env: TEST_NODE_VERSION=node
+  - env: TEST_NODE_VERSION=6
+  - env: TEST_NODE_VERSION=10 LINT=1 COVER=1
 
 env:
   global:

Makefile

@@ -1,10 +1,10 @@
 -include crossdock/rules.mk
 
 NODE_VER=$(shell node -v)
-ifeq ($(patsubst v6.%,matched,$(NODE_VER)), matched)
-	NODE_6=true
+ifeq ($(patsubst v10.%,matched,$(NODE_VER)), matched)
+	NODE_LTS=true
 else
-	NODE_6=false
+	NODE_LTS=false
 endif
 ifeq ($(patsubst v0.10%,matched,$(NODE_VER)), matched)
 	NODE_0_10=true
@@ -26,7 +26,7 @@ test: build-node
 .PHONY: test-without-build
 test-without-build: install-test-deps
 	npm run flow
-ifeq ($(NODE_6),true)
+ifeq ($(NODE_LTS),true)
 	npm run test-all
 endif
 	npm run test-dist
@@ -35,16 +35,16 @@ endif
 .PHONY: install-test-deps
 install-test-deps:
 ifeq ($(NODE_0_10), false)
-	npm install prom-client@11.0.0
+	npm install --no-save prom-client@11.0.0
 endif
 
-.PHONY: check-node-6
-check-node-6:
-	@$(NODE_6) || echo Build requires Node 6.x
-	@$(NODE_6) && echo Building using Node 6.x
+.PHONY: check-node-lts
+check-node-lts:
+	@$(NODE_LTS) || echo Build requires Node 10.x
+	@$(NODE_LTS) && echo Building using Node 10.x
 
 .PHONY: build-node
-build-node: check-node-6 node-modules
+build-node: check-node-lts node-modules
 	rm -rf ./dist/
 	node_modules/.bin/babel --presets env --plugins transform-class-properties --source-maps -d dist/src/ src/
 	node_modules/.bin/babel --presets env --plugins transform-class-properties --source-maps -d dist/test/ test/