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Package detail

feature-detect-es6

75lb247kMIT1.5.0

Detect which ES6 (ES2015 and above) features are available

detect, es6, feature, class, arrow function, let, array, Map, Set, generator, promise, template string, symbol, destructuring, language, es2015, spread, default parameter value

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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..
}

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

Param Type Description
[...feature] string the features to detect.

Example

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

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