SassFunction

Sass's function type.

⚠️ Heads up!

Although first-class Sass functions can be processed by custom functions, there’s no way to invoke them outside of a Sass stylesheet.

Hierarchy

Constructors

Accessors

  • get hasBrackets(): boolean
  • Whether this value as a list has brackets.

    All SassScript values can be used as lists. Maps count as lists of pairs, and all other values count as single-value lists.

    Returns boolean

  • get isTruthy(): boolean
  • Whether the value counts as true in an @if statement and other contexts.

    Returns boolean

  • get separator(): ListSeparator
  • The separator for this value as a list.

    All SassScript values can be used as lists. Maps count as lists of pairs, and all other values count as single-value lists.

    Returns ListSeparator

Methods

  • Returns the value at index index in this value as a list, or undefined if index isn't valid for this list.

    All SassScript values can be used as lists. Maps count as lists of pairs, and all other values count as single-value lists.

    This is a shorthand for this.asList.get(index), although it may be more efficient in some cases.

    ⚠️ Heads up!

    This method uses the same indexing conventions as the immutable package: unlike Sass the index of the first element is 0, but like Sass negative numbers index from the end of the list.

    Parameters

    • index: number

    Returns undefined | Value

  • Converts sassIndex into a JavaScript-style index into the list returned by asList.

    Sass indexes are one-based, while JavaScript indexes are zero-based. Sass indexes may also be negative in order to index from the end of the list.

    Throws

    Error If sassIndex isn't a number, if that number isn't an integer, or if that integer isn't a valid index for asList.

    Parameters

    • sassIndex: Value

      The Sass-style index into this as a list.

    • Optional name: string

      The name of the function argument sassIndex came from (without the $) if it came from an argument. Used for error reporting.

    Returns number