45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
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'use strict';
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var util = require('hexo-util');
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hexo.extend.helper.register('stellar_meta', function(args, page){
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if (['robots', 'description'].includes(args) == false) {
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return '';
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}
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function meta(str) {
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if (str && str.length > 0) {
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return str;
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} else {
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return '';
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}
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}
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if (args == 'robots') {
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if (page.__index == true) {
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return '';
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}
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if (page.robots) {
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meta(page.robots);
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} else {
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// default rule
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if (['post', 'wiki', 'index'].includes(page.layout) == false) {
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meta('noindex,nofollow');
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}
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}
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} else if (args == 'description') {
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if (page.__index == true) {
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meta(hexo.config.description);
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} else if (page.description) {
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meta(util.stripHTML(page.description));
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} else if (['post', 'wiki'].includes(page.layout)) {
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var description = '';
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if (page.excerpt && page.excerpt.length > 0) {
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description = util.stripHTML(page.excerpt);
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} else if (page.content && page.content.length > 0) {
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description = util.truncate(util.stripHTML(page.content), {length: 160});
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}
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meta(description);
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}
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}
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return '';
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});
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