prop-or

v0.9.6

STATUS

Passing

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VISIBILITY

Public

PUBLISHED

5 years ago

SIZE

1 KB

If the given, non-null object has an own property with the specified name, returns the value of that property.

Object

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propOr (

val:*,

p:String,

obj:Object

) : *

If the given, non-null object has an own property with the specified name, returns the value of that property. Otherwise returns the provided default value.

Example

const alice = {
       name: 'ALICE',
       age: 101
     };
     const favorite = R.prop('favoriteLibrary');
     const favoriteWithDefault = R.propOr('Ramda', 'favoriteLibrary');

     favorite(alice);  //=> undefined
     favoriteWithDefault(alice);  //=> 'Ramda'

Arguments

val: *

The default value.

p: String

The name of the property to return.

obj: Object

The object to query.

Returns

*

The value of given property of the supplied object or the default value.