fix: node 4 support

Author: bahmutov

.travis.yml

@@ -11,8 +11,9 @@ before_script:
   - npm prune
 script:
   # check syntax of the script
-  - node -c bin/commit-message-install.js
-  - node -c bin/commit-message-run.js
+  - node --check bin/commit-message-install.js
+  - node --check bin/commit-message-run.js
+  - node --check .
   - $(npm bin)/if-node-version ">=6" npm test
   - DEBUG=commit-message-install node ./bin/commit-message-install.js
   - DEBUG=commit-message-install node ./bin/commit-message-install.js --else "echo --else is working"

src/get-install-json.js

@@ -2,7 +2,7 @@ const la = require('lazy-ass')
 const is = require('check-more-types')
 const os = require('os')
 const debug = require('debug')('commit-message-install')
-const { isNpmInstall } = require('./utils')
+const isNpmInstall = require('./utils').isNpmInstall
 
 // forms JSON object that can be parsed later
 function getInstallJson (packages, env, platform, branch, commit) {

src/index.js

@@ -7,7 +7,7 @@ const os = require('os')
 const execa = require('execa')
 const chalk = require('chalk')
 const getInstallJson = require('./get-install-json')
-const { isNpmInstall } = require('./utils')
+const isNpmInstall = require('./utils').isNpmInstall
 
 const prop = name => object => object[name]