/* global hexo */
'use strict';
var pathFn = require('path');
var _ = require('lodash');
var cheerio = require('cheerio');
var lunr = require('lunr');
var localizedPath = ['docs', 'api'];
function startsWith(str, start) {
return str.substring(0, start.length) === start;
}
hexo.extend.helper.register('page_nav', function() {
var type = this.page.canonical_path.split('/')[0];
var sidebar = this.site.data.sidebar[type];
var path = pathFn.basename(this.path);
var list = {};
var prefix = 'sidebar.' + type + '.';
for (var i in sidebar) {
for (var j in sidebar[i]) {
list[sidebar[i][j]] = j;
}
}
var keys = Object.keys(list);
var index = keys.indexOf(path);
var result = '';
if (index > 0) {
result += ''
+ '' + this.__('page.prev') + '';
}
if (index < keys.length - 1) {
result += ''
+ '' + this.__('page.next') + '';
}
return result;
});
hexo.extend.helper.register('doc_sidebar', function(className) {
var type = this.page.canonical_path.split('/')[0];
var sidebar = this.site.data.sidebar[type];
var path = pathFn.basename(this.path);
var result = '';
var self = this;
var prefix = 'sidebar.' + type + '.';
_.each(sidebar, function(menu, title) {
result += '' + self.__(prefix + title) + '';
_.each(menu, function(link, text) {
var itemClass = className + '-link';
if (link === path) itemClass += ' current';
result += '' + self.__(prefix + text) + '';
});
});
return result;
});
hexo.extend.helper.register('header_menu', function(className) {
var menu = this.site.data.menu;
var result = '';
var self = this;
var lang = this.page.lang;
var isEnglish = lang === 'en';
_.each(menu, function(path, title) {
if (!isEnglish && ~localizedPath.indexOf(title)) path = lang + path;
result += '' + self.__('menu.' + title) + '';
});
return result;
});
hexo.extend.helper.register('canonical_url', function(lang) {
var path = this.page.canonical_path;
if (lang && lang !== 'en') path = lang + '/' + path;
return this.config.url + '/' + path;
});
hexo.extend.helper.register('url_for_lang', function(path) {
var lang = this.page.lang;
var url = this.url_for(path);
if (lang !== 'en' && url[0] === '/') url = '/' + lang + url;
return url;
});
hexo.extend.helper.register('raw_link', function(path) {
return 'https://github.com/status-im/nimbus.status.im/edit/develop/source/' + path;
});
hexo.extend.helper.register('page_anchor', function(str) {
var $ = cheerio.load(str, {decodeEntities: false});
var headings = $('h1, h2, h3, h4, h5, h6');
if (!headings.length) return str;
headings.each(function() {
var id = $(this).attr('id');
$(this)
.addClass('article-heading')
.append('');
});
return $.html();
});
hexo.extend.helper.register('lunr_index', function(data) {
var index = lunr(function() {
this.field('name', {boost: 10});
this.field('tags', {boost: 50});
this.field('description');
this.ref('id');
_.sortBy(data, 'name').forEach((item, i) => {
this.add(_.assign({ id: i }, item));
});
});
return JSON.stringify(index);
});
hexo.extend.helper.register('canonical_path_for_nav', function() {
var path = this.page.canonical_path;
if (startsWith(path, 'docs/') || startsWith(path, 'api/')) {
return path;
}
return '';
});
hexo.extend.helper.register('lang_name', function(lang) {
var data = this.site.data.languages[lang];
return data.name || data;
});
hexo.extend.helper.register('disqus_lang', function() {
var lang = this.page.lang;
var data = this.site.data.languages[lang];
return data.disqus_lang || lang;
});
hexo.extend.helper.register('hexo_version', function() {
return this.env.version;
});