build(nodejs): Add support for node.js version 4

#7
birhoff · Mar 15, 2017 · fdf72b0 · fdf72b0
1 parent 2abb912
commit fdf72b0
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Showing 3 changed files with 4 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ language: node_js
 
 matrix:
   include:
+    - node_js: "4"
     - node_js: "6"
     - node_js: "7"
       env: COVERALLS=1

diff --git a/lib/index.js b/lib/index.js
@@ -16,7 +16,8 @@ const handlers = require('./handlers');
  * @param {Boolean} [options.scope] - If true all nodes will be elements of root block.
  * @returns {Function} transform function
  */
-function transformFactory(tree, options = {}) {
+function transformFactory(tree, options) {
+    options || (options = {});
 
     transform.definition = definitions(tree, options);
     transform.handlers = Object.assign({}, handlers);

diff --git a/package.json b/package.json
@@ -13,7 +13,7 @@
     "github-release": "conventional-github-releaser -p angular -r 0"
   },
   "engines": {
-    "node": ">= 6"
+    "node": ">= 4"
   },
   "repository": {
     "type": "git",