stylis-plugin-css-variables/dist/cjs/__tests__/ie11.test.js

Stylis plugin that transforms CSS variable into static values for non-supported browsers.

"use strict";

var _plugin = require("../plugin");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

describe('stylisPluginCssVariables', function () {
  beforeEach(function () {
    // Clear root HTML node styles
    document.documentElement.style = null;
  });
  /* eslint-disable */

  var baseArgs = {
    context: 2,
    content: '',
    selectors: ['.font'],
    parents: [],
    line: 80,
    column: 2,
    length: 10,
    type: 105
  };
  /* eslint-enable */
  // in JSDOM, `window.CSS` is undefined (at least in the environment used here)
  // so we don't need to process supported browsers

  var createPlugin = function () {
    return (0, _plugin.stylisPluginCssVariables)();
  };

  test('should return undefined if no fallbacks are available', function () {
    var plugin = createPlugin();

    var args = _objectSpread({}, baseArgs);

    args.selectors = [':root'];
    args.content = "--fontSize: 14px;";
    var result = plugin.apply(void 0, Object.values(args));
    expect(result).toBe(undefined);
  });
});