64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
|
/**
|
||
|
|
* Copyright 2017 The AMP HTML 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.
|
||
|
|
*/
|
||
|
|
'mode strict';
|
||
|
|
|
||
|
|
const {hasAttribute} = require('./NodeUtils');
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
AMP_TAGS: ['amp', '⚡', '⚡4ads', 'amp4ads', '⚡4email', 'amp4email'],
|
||
|
|
AMP_CACHE_HOST: 'https://cdn.ampproject.org',
|
||
|
|
AMP_VALIDATION_RULES_URL: 'https://cdn.ampproject.org/v0/validator.json',
|
||
|
|
AMP_FORMATS: ['AMP', 'AMP4EMAIL', 'AMP4ADS'],
|
||
|
|
AMP_RUNTIME_CSS_PATH: '/v0.css',
|
||
|
|
appendRuntimeVersion: (prefix, version) => prefix + '/rtv/' + version,
|
||
|
|
isTemplate: (node) => {
|
||
|
|
if (node.tagName === 'template') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (
|
||
|
|
node.tagName === 'script' &&
|
||
|
|
hasAttribute(node, 'template') &&
|
||
|
|
node.attribs.template === 'amp-mustache'
|
||
|
|
) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
isAmpStory: (head) => {
|
||
|
|
for (const node of head.children) {
|
||
|
|
if (isAmpScriptImport(node) && node.attribs['custom-element'] === 'amp-story') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
function isAmpScriptImport(scriptNode) {
|
||
|
|
if (scriptNode.tagName !== 'script') {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!scriptNode.attribs) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
const customElement =
|
||
|
|
scriptNode.attribs['custom-element'] || scriptNode.attribs['custom-template'] || '';
|
||
|
|
if (!customElement.startsWith('amp-')) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|