stylelint-scss/src/utils/isStandardSyntaxProperty.js

A collection of SCSS-specific rules for Stylelint

"use strict";

const hasInterpolation = require("./hasInterpolation");

/**
 * Check whether a property is standard
 *
 * @param {string} property
 * @returns {boolean}
 */
module.exports = function (property) {
  // SCSS var (e.g. $var: x), list (e.g. $list: (x)) or map (e.g. $map: (key:value))
  if (property.startsWith("$")) {
    return false;
  }

  // Less var (e.g. @var: x)
  if (property.startsWith("@")) {
    return false;
  }

  // Less append property value with space (e.g. transform+_: scale(2))
  if (property.endsWith("+") || property.endsWith("+_")) {
    return false;
  }

  // SCSS or Less interpolation
  if (hasInterpolation(property)) {
    return false;
  }

  return true;
};