third_party/polymer/v3_0/components-chromium/shadycss/entrypoints/custom-style-interface.js

/**
@license
Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
*/

'use strict';

import CustomStyleInterface from '../src/custom-style-interface.js';
import {getComputedStyleValue, updateNativeProperties} from '../src/common-utils.js';
import {nativeCssVariables, nativeShadow, cssBuild, disableRuntime} from '../src/style-settings.js';

const customStyleInterface = new CustomStyleInterface();

if (!window.ShadyCSS) {
  window.ShadyCSS = {
    /**
     * @param {!HTMLTemplateElement} template
     * @param {string} elementName
     * @param {string=} elementExtends
     */
    prepareTemplate(template, elementName, elementExtends) {}, // eslint-disable-line no-unused-vars

    /**
     * @param {!HTMLTemplateElement} template
     * @param {string} elementName
     */
    prepareTemplateDom(template, elementName) {}, // eslint-disable-line no-unused-vars

    /**
     * @param {!HTMLTemplateElement} template
     * @param {string} elementName
     * @param {string=} elementExtends
     */
    prepareTemplateStyles(template, elementName, elementExtends) {}, // eslint-disable-line no-unused-vars

    /**
     * @param {Element} element
     * @param {Object=} properties
     */
    styleSubtree(element, properties) {
      customStyleInterface.processStyles();
      updateNativeProperties(element, properties);
    },

    /**
     * @param {Element} element
     */
    styleElement(element) { // eslint-disable-line no-unused-vars
      customStyleInterface.processStyles();
    },

    /**
     * @param {Object=} properties
     */
    styleDocument(properties) {
      customStyleInterface.processStyles();
      updateNativeProperties(document.body, properties);
    },

    /**
     * @param {Element} element
     * @param {string} property
     * @return {string}
     */
    getComputedStyleValue(element, property) {
      return getComputedStyleValue(element, property);
    },

    flushCustomStyles() {},
    nativeCss: nativeCssVariables,
    nativeShadow: nativeShadow,
    cssBuild: cssBuild,
    disableRuntime: disableRuntime,
  }
}

window.ShadyCSS.CustomStyleInterface = customStyleInterface;