construct-map
Turns entries into a Map or other key-value collection.
Useful when you’re not sure ahead of time what type of collection it’ll be.
Installation
Requires Node.js 6.0.0 or above.
npm i construct-map
API
The module exports a single function.
Parameters
Cls
(object, function, or string): The class to construct, an instance of the desired class, or the global string name of the class. The class to which this argument refers can be just about any built-in collection (Array
,Map
,Object
,Set
, Typed Arrays,WeakMap
,WeakSet
), or any class that accepts anentries
iterable as the first argument of its constructor.entries
(iterable): A collection of key-value pairs. (If constructing anArray
,Set
,WeakSet
, or Typed Array, the keys will be ignored.)
Return Value
A Cls
object constructed with entries
.
Example
const constructMap = const map = map // 'value' // {key: 'value'} // The module is particularly useful for reassembling a collection// after performing some operation on its entries.const doSomething = xconst obj = key: 'value' // {key: 'value'}