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Class Nullable

Class representing Nullable specs, which either accepts an null value or requires that the value satisfy the spec if present.

Hierarchy

Constructors

Properties

Methods

Constructors

constructor

  • new Nullable(name: string, options: any): Nullable

Properties

name

name: string

options

options: any

Methods

assert

  • assert(value: any): any

  • Asserts this spec on a given value. Returns the value if value passes spec, returns perusal-immutable.invalid otherwise.

    Parameters

    • value: any

      The value to be asserted.

    Returns any

    Returns the value if value passes spec, returns perusal-immutable.invalid otherwise.

explain

  • explain(value: any, path: string[]): boolean

  • Explains why a value passes/fails this spec.

    Parameters

    • value: any

      The value to be checked.

    • path: string[]

      The path travelled to this spec.

    Returns boolean

    Returns true if the value satisfies this spec, false otherwise.

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