import {Value} from './index'; /** * Sass's [function type](https://sass-lang.com/documentation/values/functions). * * **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. * * @category Custom Function */ export class SassFunction extends Value { /** * Creates a new first-class function that can be invoked using * [`meta.call()`](https://sass-lang.com/documentation/modules/meta#call). * * @param signature - The function signature, like you'd write for the * [`@function rule`](https://sass-lang.com/documentation/at-rules/function). * @param callback - The callback that's invoked when this function is called, * just like for a {@link CustomFunction}. */ constructor(signature: string, callback: (args: Value[]) => Value); }