"use strict"; const { validateValue } = require("@validatem/core"); const postcssNested = require("postcss-nested"); const postcssNestedProps = require("postcss-nested-props"); const isPostCSSPlugin = require("./"); /* Plugin (factory), PostCSS <= 7 */ console.log(validateValue(postcssNestedProps, [ isPostCSSPlugin ])); // { process: [Function (anonymous)] } /* Plugin function (instance), PostCSS <= 7 */ console.log(validateValue(postcssNestedProps(), [ isPostCSSPlugin ])); // { postcssPlugin: 'postcss-nested-props', postcssVersion: '6.0.23' } /* Plugin (factory), PostCSS 8 */ console.log(validateValue(postcssNested, [ isPostCSSPlugin ])); // [Function (anonymous)] { postcss: true } /* Plugin function (instance), PostCSS 8 */ console.log(validateValue(postcssNested(), [ isPostCSSPlugin ])); // { postcssPlugin: 'postcss-nested', Rule: [Function: Rule] } console.log(validateValue("hello world", [ isPostCSSPlugin ])); /* AggregrateValidationError: One or more validation errors occurred: - At (root): Must be a PostCSS plugin */