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// Copyright 2014 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Utilities for HTML element tag names.
*/
goog.provide('goog.dom.tags');
goog.require('goog.object');
/**
* The void elements specified by
* http://www.w3.org/TR/html-markup/syntax.html#void-elements.
* @const @private {!Object<string, boolean>}
*/
goog.dom.tags.VOID_TAGS_ = goog.object.createSet(
'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input',
'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr');
/**
* Checks whether the tag is void (with no contents allowed and no legal end
* tag), for example 'br'.
* @param {string} tagName The tag name in lower case.
* @return {boolean}
*/
goog.dom.tags.isVoidTag = function(tagName) {
return goog.dom.tags.VOID_TAGS_[tagName] === true;
};
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