build: [email protected]

.travis.yml

@@ -14,14 +14,23 @@ before_install:
   - |
     # Skip updating shrinkwrap / lock
     npm config set shrinkwrap false
-   # Setup Node.js version-specific dependencies
+  # Setup Node.js version-specific dependencies
   - |
     # mocha for testing
     # - use 3.x for Node.js < 6
     if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 6 ]]; then
       npm install --save-dev [email protected]
     fi
- # Update Node.js modules
+  - |
+    # nyc for coverage
+    # - use 10.x for Node.js < 4
+    # - use 11.x for Node.js < 6
+    if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 4 ]]; then
+      npm install --save-dev [email protected]
+    elif [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 6 ]]; then
+      npm install --save-dev [email protected]
+    fi
+  # Update Node.js modules
   - |
     # Prune & rebuild node_modules
     if [[ -d node_modules ]]; then

package.json

@@ -21,7 +21,7 @@
     "eslint": "2.13.1",
     "express": "4.16.3",
     "mocha": "5.2.0",
-    "nyc": "10.3.2",
+    "nyc": "13.1.0",
     "supertest": "1.2.0"
   },
   "files": [