100 lines
3.1 KiB
JavaScript
100 lines
3.1 KiB
JavaScript
'use strict';
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const { Component } = require('inferno');
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const { cacheComponent } = require('../util/cache');
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class Categories extends Component {
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renderList(categories, showCount) {
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return categories.map(category => <li>
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<a class="level is-marginless" href={category.url}>
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<span class="level-start">
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<span class="level-item">{category.name}</span>
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</span>
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{showCount ? <span class="level-end">
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<span class="level-item tag">{category.count}</span>
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</span> : null}
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</a>
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{category.children.length ? <ul>{this.renderList(category.children)}</ul> : null}
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</li>);
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}
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render() {
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const {
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title,
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showCount,
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categories
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} = this.props;
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return <div className="card widget">
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<div class="card-content">
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<div class="menu">
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<h3 class="menu-label">{title}</h3>
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<ul class="menu-list">
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{this.renderList(categories, showCount)}
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</ul>
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</div>
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</div>
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</div>;
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}
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}
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module.exports = cacheComponent(Categories, 'widget.categories', props => {
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// adapted from hexo/lib/plugins/helper/list_categories.js
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const categories = props.categories || props.site.categories;
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if (!categories.length) {
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return null;
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}
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const { orderBy = 'name', order = 1, page, url_for, _p } = props;
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const depth = props.depth ? parseInt(props.depth, 10) : 0;
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const showCurrent = props.show_current || false;
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const showCount = Object.prototype.hasOwnProperty.call(props, 'show_count') ? props.show_count : true;
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function prepareQuery(parent) {
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const query = {};
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if (parent) {
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query.parent = parent;
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} else {
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query.parent = { $exists: false };
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}
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return categories.find(query).sort(orderBy, order).filter(cat => cat.length);
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}
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function hierarchicalList(level, parent) {
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return prepareQuery(parent).map((cat, i) => {
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let children = [];
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if (!depth || level + 1 < depth) {
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children = hierarchicalList(level + 1, cat._id);
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}
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let isCurrent = false;
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if (showCurrent && page) {
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for (let j = 0; j < cat.length; j++) {
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const post = cat.posts.data[j];
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if (post && post._id === page._id) {
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isCurrent = true;
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break;
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}
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}
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// special case: category page
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isCurrent = isCurrent || (page.base && page.base.startsWith(cat.path));
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}
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return {
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children,
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isCurrent,
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name: cat.name,
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count: cat.length,
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url: url_for(cat.path)
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};
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});
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}
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return {
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showCount,
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categories: hierarchicalList(0),
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title: _p('common.category', Infinity)
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};
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});
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