mirror of https://github.com/jkjoy/sunpeiwen.git
51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
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'use strict';
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const { parse } = require('url');
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const encodeURL = require('./encode_url');
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const relative_url = require('./relative_url');
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const prettyUrls = require('./pretty_urls');
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const Cache = require('./cache');
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const cache = new Cache();
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function urlForHelper(path = '/', options) {
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if (/^(#|\/\/|http(s)?:)/.test(path)) return path;
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const { config } = this;
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options = Object.assign({
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relative: config.relative_link
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}, options);
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// Resolve relative url
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if (options.relative) {
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return relative_url(this.path, path);
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}
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const { root } = config;
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const prettyUrlsOptions = Object.assign({
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trailing_index: true,
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trailing_html: true
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}, config.pretty_urls);
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// cacheId is designed to works across different hexo.config & options
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return cache.apply(`${config.url}-${root}-${prettyUrlsOptions.trailing_index}-${prettyUrlsOptions.trailing_html}-${path}`, () => {
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const sitehost = parse(config.url).hostname || config.url;
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const data = new URL(path, `http://${sitehost}`);
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// Exit if input is an external link or a data url
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if (data.hostname !== sitehost || data.origin === 'null') {
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return path;
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}
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// Prepend root path
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path = encodeURL((root + path).replace(/\/{2,}/g, '/'));
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path = prettyUrls(path, prettyUrlsOptions);
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return path;
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});
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}
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module.exports = urlForHelper;
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