feature-detect-es6

Detect which ES6 (ES2015 and above) features are available.

Example

var detect = require('feature-detect-es6')
 
if (detect.all('class', 'spread', 'let', 'arrowFunction')){
  // safe to run ES6 code natively..
} else {
  // run your transpiled ES5..
}

• feature-detect-es6
  • .class() ⇒ boolean
  • .arrowFunction() ⇒ boolean
  • .let() ⇒ boolean
  • .const() ⇒ boolean
  • .newArrayFeatures() ⇒ boolean
  • .newObjectFeatures() ⇒ boolean
  • .collections() ⇒ boolean
  • .generators() ⇒ boolean
  • .promises() ⇒ boolean
  • .templateStrings() ⇒ boolean
  • .symbols() ⇒ boolean
  • .destructuring() ⇒ boolean
  • .spread() ⇒ boolean
  • .defaultParamValues() ⇒ boolean
  • .asyncFunctions() ⇒ boolean
  • .all() ⇒ boolean

detect.class() ⇒ boolean

Returns true if the class statement is available.

Kind: static method of feature-detect-es6

detect.arrowFunction() ⇒ boolean

Returns true if the arrow functions available.

Kind: static method of feature-detect-es6

detect.let() ⇒ boolean

Returns true if the let statement is available.

Kind: static method of feature-detect-es6

detect.const() ⇒ boolean

Returns true if the const statement is available.

Kind: static method of feature-detect-es6

detect.newArrayFeatures() ⇒ boolean

Returns true if the new Array features are available (exluding Array.prototype.values which has zero support anywhere).

Kind: static method of feature-detect-es6

detect.newObjectFeatures() ⇒ boolean

Returns true if the new functions of Object are available.

Kind: static method of feature-detect-es6

detect.collections() ⇒ boolean

Returns true if Map, WeakMap, Set and WeakSet are available.

Kind: static method of feature-detect-es6

detect.generators() ⇒ boolean

Returns true if generators are available.

Kind: static method of feature-detect-es6

detect.promises() ⇒ boolean

Returns true if Promise is available.

Kind: static method of feature-detect-es6

detect.templateStrings() ⇒ boolean

Returns true if template strings are available.

Kind: static method of feature-detect-es6

detect.symbols() ⇒ boolean

Returns true if Symbol is available.

Kind: static method of feature-detect-es6

detect.destructuring() ⇒ boolean

Returns true if destructuring is available.

Kind: static method of feature-detect-es6

detect.spread() ⇒ boolean

Returns true if the spread operator (...) is available.

Kind: static method of feature-detect-es6

detect.defaultParamValues() ⇒ boolean

Returns true if default parameter values are available.

Kind: static method of feature-detect-es6

detect.asyncFunctions() ⇒ boolean

Returns true if async functions are available.

Kind: static method of feature-detect-es6

detect.all() ⇒ boolean

Returns true if all specified features are detected.

Kind: static method of feature-detect-es6

Example

var result = detect.all('class', 'spread', 'let', 'arrowFunction')

© 2015-18 Lloyd Brookes <75pound@gmail.com>. Documented by jsdoc-to-markdown.