feature-detect-es6 - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

lib/feature-detect-es6.js

@@ -24,8 +24,3 @@ 'use strict'
 exports.class = function () {
-  try {
-    eval('class Something {}')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('class Something {}')
 }
@@ -39,8 +34,3 @@
 exports.arrowFunction = function () {
-  try {
-    eval('var f = x => 1')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('var f = x => 1')
 }
@@ -54,8 +44,3 @@
 exports.let = function () {
-  try {
-    eval('let a = 1')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('let a = 1')
 }
@@ -69,8 +54,3 @@
 exports.const = function () {
-  try {
-    eval('const a = 1')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('const a = 1')
 }
@@ -112,8 +92,3 @@
 exports.generators = function () {
-  try {
-    eval('function* test() {}')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('function* test() {}')
 }
@@ -136,8 +111,3 @@
 exports.templateStrings = function () {
-  try {
-    eval('var a = `a`')
-    return true
-  } catch (err) {
-    return false
-  }
+  return evaluates('var a = `a`')
 }
@@ -153,1 +123,28 @@
 }
+
+/**
+ * Returns true if destructuring is available.
+ *
+ * @returns {boolean}
+ */
+exports.destructuring = function () {
+  return evaluates("var { first: f, last: l } = { first: 'Jane', last: 'Doe' }")
+}
+
+/**
+ * Returns true if the spread operator (`...`) is available.
+ *
+ * @returns {boolean}
+ */
+exports.spread = function () {
+  return evaluates('Math.max(...[ 5, 10 ])')
+}
+
+function evaluates (statement) {
+  try {
+    eval(statement)
+    return true
+  } catch (err) {
+    return false
+  }
+}

package.json

 {
   "name": "feature-detect-es6",
   "author": "Lloyd Brookes <[e-mail]>",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Detect which ES6 features are available.",
@@ -6,0 +6,0 @@ "repository": "https://github.com/75lb/feature-detect-es6.git",

README.md

@@ -33,2 +33,4 @@ [![view on npm](http://img.shields.io/npm/v/feature-detect-es6.svg)](https://www.npmjs.org/package/feature-detect-es6)
   * [.symbols()](#module_feature-detect-es6.symbols) ⇒ <code>boolean</code>
+  * [.destructuring()](#module_feature-detect-es6.destructuring) ⇒ <code>boolean</code>
+  * [.spread()](#module_feature-detect-es6.spread) ⇒ <code>boolean</code>
 
@@ -85,5 +87,15 @@ <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.destructuring"></a>
+### detect.destructuring() ⇒ <code>boolean</code>
+Returns true if destructuring is available.
 
+**Kind**: static method of <code>[feature-detect-es6](#module_feature-detect-es6)</code>  
+<a name="module_feature-detect-es6.spread"></a>
+### detect.spread() ⇒ <code>boolean</code>
+Returns true if the spread operator (`...`) 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/es5-0.10.js

@@ -53,1 +53,11 @@ var detect = require('../')
 })
+
+test('.destructuring', function (t) {
+  t.strictEqual(detect.destructuring(), false)
+  t.end()
+})
+
+test('.spread', function (t) {
+  t.strictEqual(detect.spread(), false)
+  t.end()
+})

test/es5-0.12.js

@@ -53,1 +53,11 @@ var detect = require('../')
 })
+
+test('.destructuring', function (t) {
+  t.strictEqual(detect.destructuring(), false)
+  t.end()
+})
+
+test('.spread', function (t) {
+  t.strictEqual(detect.spread(), false)
+  t.end()
+})

test/es6-iojs.js

@@ -53,1 +53,11 @@ var detect = require('../')
 })
+
+test('.destructuring', function (t) {
+  t.strictEqual(detect.destructuring(), false)
+  t.end()
+})
+
+test('.spread', function (t) {
+  t.strictEqual(detect.spread(), false)
+  t.end()
+})

test/test.js

@@ -1,13 +0,22 @@
-if (process.env.VERSION === 'node') {
-  console.log('Running node tests')
-  require('./es6-node')
-} else if (process.env.VERSION === 'iojs') {
-  console.log('Running iojs tests')
-  require('./es6-iojs')
-} else if (process.env.VERSION === '0.12') {
-  console.log('Running es5-0.12 tests')
-  require('./es5-0.12')
-} else {
-  console.log('Running es5-0.10 tests')
-  require('./es5-0.10')
+switch (process.env.VERSION) {
+  case '5.0':
+    console.log('Running 5.0 tests')
+    require('./es6-5.0')
+    break
+  case '4.1':
+    console.log('Running 4.1 tests')
+    require('./es6-4.1')
+    break
+  case 'iojs':
+    console.log('Running iojs tests')
+    require('./es6-iojs')
+    break
+  case '0.12':
+    console.log('Running es5-0.12 tests')
+    require('./es5-0.12')
+    break
+  case '0.10':
+    console.log('Running es5-0.10 tests')
+    require('./es5-0.10')
+    break
 }

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Improved metrics

Total package byte prevSize

17477

increased by19.61%

Number of package files

13

increased by8.33%

Lines of code

411

increased by26.07%

Number of lines in readme file

100

increased by13.64%

Number of low supply chain risk alerts

2

decreased by-50%

No dependency changes