@adobe/helix-pipeline
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This project provides helper functions and default implementations for creating Hypermedia Processing Pipelines.
35 lines (32 loc) • 1.26 kB
JavaScript
/*
* Copyright 2020 Adobe. All rights reserved.
* This file is licensed to you 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 REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
const visit = require('unist-util-visit');
/**
* Rewrite blob store image URLs to /hlx_* URLs
*
* @param {object} request The content request
*/
function rewrite({ content }) {
if (!content.mdast) {
return;
}
visit(content.mdast, (node) => {
if (node.type === 'image'
&& /^https:\/\/hlx\.blob\.core\.windows\.net\/external\//.test(node.url)) {
const { pathname, hash } = new URL(node.url);
const filename = pathname.split('/').pop();
const extension = hash.includes('.') ? hash.split('.').pop() : 'jpg';
node.url = `/hlx_${filename}.${extension}`;
}
});
}
module.exports = rewrite;