🐛 fix so coverage is only generated for node v6

.travis.yml

@@ -14,4 +14,4 @@ before_script:
 
 after_success:
   # Report coverage to codecov
-  - npm run-script send-coverage
+  - ./script/send-coverage.sh

package.json

@@ -10,7 +10,6 @@
     "test": "npm run-script test-node && npm run-script test-browser",
     "pretest-node": "babel --source-maps true --source-root ./index.js ./test/ -d ./test-transpiled/",
     "test-node": "VCR_MODE=cache istanbul cover _mocha -- --reporter spec ./test-transpiled/**/node**.js",
-    "posttest-node": "remap-istanbul --exclude 'index.js' --input ./coverage/coverage.json --output ./coverage/lcov-report-mapped/ --type html && remap-istanbul --exclude 'index.js' --input ./coverage/coverage.json --output ./coverage/coverage.json --type json",
     "pretest-browser": "webpack --config webpack.config-browsertests.js",
     "test-browser": "./script/run-test-browser.sh",
     "test-browser-only": "mocha-phantomjs --reporter spec --timeout 20000 http://localhost:9876/test/index.html",

script/send-coverage.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+nodeVer=$(node --version)
+semver=( ${nodeVer//./ } )
+
+if [[ "${semver[0]}" == "v6" ]]; then
+
+  echo "==> Reporting coverage to codecov"
+  $(npm bin)/remap-istanbul --exclude 'index.js' --input ./coverage/coverage.json --output ./coverage/coverage-mapped-to-source.json --type json
+  $(npm bin)/codecov --file ./coverage/coverage-mapped-to-source.json
+
+else
+  echo "==> Skipping coverage reporting because remap-istanbul only works on node v6+"
+fi