71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
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const crypto = require('crypto');
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const config = require('../../shared/config');
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const {blogIcon} = require('../../server/lib/image');
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const urlUtils = require('../../shared/url-utils');
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const {SafeString} = require('../services/handlebars');
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/**
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* Serve either uploaded favicon or default
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* @return {string}
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*/
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function getFaviconUrl() {
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return blogIcon.getIconUrl();
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}
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/**
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* Prepare URL for an asset
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* @param {string|SafeString} path — the asset’s path
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* @param {boolean} hasMinFile — flag for the existence of a minified version for the asset
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* @returns {string}
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*/
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function getAssetUrl(path, hasMinFile) {
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path = path instanceof SafeString ? path.string : path;
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// CASE: favicon - this is special path with its own functionality
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if (path.match(/\/?favicon\.(ico|png)$/)) {
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// @TODO, resolve this - we should only be resolving subdirectory and extension.
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return getFaviconUrl();
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}
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// CASE: Build the output URL
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// Add subdirectory...
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let output = urlUtils.urlJoin(urlUtils.getSubdir(), '/');
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// Optionally add /assets/
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if (!path.match(/^public/) && !path.match(/^asset/)) {
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output = urlUtils.urlJoin(output, 'assets/');
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}
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// replace ".foo" with ".min.foo" if configured
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if (hasMinFile && config.get('useMinFiles') !== false) {
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path = path.replace(/\.([^.]*)$/, '.min.$1');
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}
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// Add the path for the requested asset
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output = urlUtils.urlJoin(output, path);
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// Ensure we have an assetHash
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// @TODO rework this!
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if (!config.get('assetHash')) {
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config.set('assetHash', (crypto.createHash('md5').update(Date.now().toString()).digest('hex')).substring(0, 10));
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}
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// if url has # make sure the hash is at th right place
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let anchor;
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if (path.match('#')) {
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const index = output.indexOf('#');
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anchor = output.substring(index);
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output = output.slice(0, index);
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}
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// Finally add the asset hash to the output URL
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output += '?v=' + config.get('assetHash');
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if (anchor) {
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output += anchor;
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}
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return output;
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}
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module.exports = getAssetUrl;
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