Module object/propOr

propOr

• propOr<K, V, O>(prop: K, value: V, obj: O): O[K]
• propOr<K, V>(prop: K, value: V, obj: any): V
• propOr<K, V>(prop: K, value: V): { <O>(obj: O): O[K]; (obj: any): V }
• propOr<K>(prop: K): { <V, O>(value: V, obj: O): O[K]; <V>(value: V): V; <V>(value: V): { <O>(obj: O): O[K]; (obj: any): V } }

• 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

   var alice = {
     name: 'ALICE',
     age: 101
   };
  
   propOr('name', 'Bob')(alice);  //=> 'ALICE'
   propOr('favoriteLibrary', 'react')(alice);  //=> 'react'
  

  Type parameters

  • K: string | number | symbol

  • V

  • O: Record<K, any>

  Parameters

  • prop: K

  • value: V

    The default value.

  • obj: O

    The object to query.

  Returns O[K]

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

• 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

   var alice = {
     name: 'ALICE',
     age: 101
   };
  
   propOr('name', 'Bob')(alice);  //=> 'ALICE'
   propOr('favoriteLibrary', 'react')(alice);  //=> 'react'
  

  Type parameters

  • K: string | number | symbol

  • V

  Parameters

  • prop: K

  • value: V

    The default value.

  • obj: any

    The object to query.

  Returns V

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

• 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

   var alice = {
     name: 'ALICE',
     age: 101
   };
  
   propOr('name', 'Bob')(alice);  //=> 'ALICE'
   propOr('favoriteLibrary', 'react')(alice);  //=> 'react'
  

  Type parameters

  • K: string | number | symbol

  • V

  Parameters

  • prop: K

  • value: V

    The default value.

  Returns { <O>(obj: O): O[K]; (obj: any): V }

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

  • • <O>(obj: O): O[K]
    • (obj: any): V

    • Type parameters

      • O: Record<K, any>

      Parameters

      • obj: O

      Returns O[K]

    • Parameters

      • obj: any

      Returns V

• 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

   var alice = {
     name: 'ALICE',
     age: 101
   };
  
   propOr('name', 'Bob')(alice);  //=> 'ALICE'
   propOr('favoriteLibrary', 'react')(alice);  //=> 'react'
  

  Type parameters

  • K: string | number | symbol

  Parameters

  • prop: K

  Returns { <V, O>(value: V, obj: O): O[K]; <V>(value: V): V; <V>(value: V): { <O>(obj: O): O[K]; (obj: any): V } }

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

  • • <V, O>(value: V, obj: O): O[K]
    • <V>(value: V): V
    • <V>(value: V): { <O>(obj: O): O[K]; (obj: any): V }

    • Type parameters

      • V

      • O: Record<K, any>

      Parameters

      • value: V

      • obj: O

      Returns O[K]

    • Type parameters

      • V

      Parameters

      • value: V

      Returns V

    • Type parameters

      • V

      Parameters

      • value: V

      Returns { <O>(obj: O): O[K]; (obj: any): V }

      • • <O>(obj: O): O[K]
        • (obj: any): V

        • Type parameters

          • O: Record<K, any>

          Parameters

          • obj: O

          Returns O[K]

        • Parameters

          • obj: any

          Returns V