feature-detect-es6 - npm Package Compare versions

Comparing version 0.1.0 to 0.1.1

lib/feature-detect-es6.js

@@ -8,2 +8,10 @@ 'use strict'
  * @typicalname detect
+ * @example
+ * var detect = require('feature-detect-es6')
+ *
+ * if (detect.class() && detect.arrowFunction()){
+ *   // safe to run ES6 code natively..
+ * } else {
+ *   // run your transpiled ES5.. 
+ * }
  */
@@ -38,1 +46,29 @@
 }
+
+/**
+ * Returns true if the `let` statement is available.
+ *
+ * @returns {boolean}
+ */
+exports.let = function () {
+  try {
+    eval('let a = 1')
+    return true
+  } catch (err) {
+    return false
+  }
+}
+
+/**
+ * Returns true if the `const` statement is available.
+ *
+ * @returns {boolean}
+ */
+exports.const = function () {
+  try {
+    eval('const a = 1')
+    return true
+  } catch (err) {
+    return false
+  }
+}

package.json

 {
   "name": "feature-detect-es6",
   "author": "Lloyd Brookes <[e-mail]>",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Detect which ES6 features are available.",
@@ -6,0 +6,0 @@ "repository": "https://github.com/75lb/feature-detect-es6.git",

README.md

@@ -11,6 +11,18 @@ [![view on npm](http://img.shields.io/npm/v/feature-detect-es6.svg)](https://www.npmjs.org/package/feature-detect-es6)
 
+**Example**  
+```js
+var detect = require('feature-detect-es6')
 
+if (detect.class() && detect.arrowFunction()){
+  // safe to run ES6 code natively..
+} else {
+  // run your transpiled ES5.. 
+}
+```
+
 * [feature-detect-es6](#module_feature-detect-es6)
   * [.class()](#module_feature-detect-es6.class) ⇒ <code>boolean</code>
   * [.arrowFunction()](#module_feature-detect-es6.arrowFunction) ⇒ <code>boolean</code>
+  * [.let()](#module_feature-detect-es6.let) ⇒ <code>boolean</code>
+  * [.const()](#module_feature-detect-es6.const) ⇒ <code>boolean</code>
 
@@ -27,5 +39,15 @@ <a name="module_feature-detect-es6.class"></a>
 **Kind**: static method of <code>[feature-detect-es6](#module_feature-detect-es6)</code>  
+<a name="module_feature-detect-es6.let"></a>
+### detect.let() ⇒ <code>boolean</code>
+Returns true if the `let` statement is available.
 
+**Kind**: static method of <code>[feature-detect-es6](#module_feature-detect-es6)</code>  
+<a name="module_feature-detect-es6.const"></a>
+### detect.const() ⇒ <code>boolean</code>
+Returns true if the `const` statement is available.
+
+**Kind**: static method of <code>[feature-detect-es6](#module_feature-detect-es6)</code>  
+
 * * *
 
 &copy; 2015 Lloyd Brookes \<[e-mail]\>. Documented by [jsdoc-to-markdown](https://github.com/jsdoc2md/jsdoc-to-markdown).

test/es5.js

@@ -8,1 +8,16 @@ var detect = require('../')
 })
+
+test('.arrowFunction()', function (t) {
+  t.strictEqual(detect.arrowFunction(), false)
+  t.end()
+})
+
+test('.let()', function (t) {
+  t.strictEqual(detect.let(), false)
+  t.end()
+})
+
+test('.const()', function (t) {
+  t.strictEqual(detect.const(), false)
+  t.end()
+})

New alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

7805

increased by58.32%

Number of package files

10

increased by42.86%

Lines of code

131

increased by191.11%

Number of lines in readme file

52

increased by73.33%

Worsened metrics

Number of low supply chain risk alerts

2

increased byInfinity%

No dependency changes