stylelint-scss/src/utils/validateTypes.js

A collection of SCSS-specific rules for Stylelint

"use strict";

/**
 * Checks if the value is a boolean or a Boolean object.
 * @param {unknown} value
 * @returns {value is boolean}
 */
function isBoolean(value) {
  return typeof value === "boolean" || value instanceof Boolean;
}

/**
 * Checks if the value is a number or a Number object.
 * @param {unknown} value
 * @returns {value is number}
 */
function isNumber(value) {
  return typeof value === "number" || value instanceof Number;
}

/**
 * Checks if the value is a regular expression.
 * @param {unknown} value
 * @returns {value is RegExp}
 */
function isRegExp(value) {
  return value instanceof RegExp;
}

/**
 * Checks if the value is a string or a String object.
 * @param {unknown} value
 * @returns {value is string}
 */
function isString(value) {
  return typeof value === "string" || value instanceof String;
}

module.exports = {
  isBoolean,
  isNumber,
  isRegExp,
  isString
};