existence

Check various conditions around whether values are falsey or truthy

Source:

Members

(inner) exists

Checks if any value is both

  • not undefined
  • not null
Source:

(inner) isNotEmpty

Checks if value is not empty

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Methods

(inner) hasDeep(path, obj) → {Boolean}

Check if a key exists at a deep path

Parameters:
Name Type Description
path Array.<String>

list of strings used as path to prop
obj Object

the object to analyze
Source:
Returns:

True if the given object has a key at the given path that is niether null or undefined

Type
Boolean
Example
const obj = { one: { two: { three: 'here I am' } } }

hasDeep(['one', 'two', 'three'], obj) //=> true
hasDeep(['one', 'two', 'fish'], obj) //=> false

(inner) isNilOrEmpty(val) → {Boolean}

Check whether a value of any type is Empty, Null, or undefined

Parameters:
Name Type Description
val *

any value
Source:
Returns:

whether the value is null, undefined, or empty in terms of ramda#empty

Type
Boolean
Example
isNilOrEmpty({ test: 'test'}) //=> false
isNilOrEmpty([1]) //=> false

isNilOrEmpty({}) //=> true
isNilOrEmpty([]) //=> true
isNilOrEmpty('') //=> true
isNilOrEmpty(undefined) //=> true
isNilOrEmpty(null) //=> true