index.js

/* global hexo */

'use strict';

const Util = require('@next-theme/utils');
const utils = new Util(hexo, __dirname);

function capitalize(input) {
  return input.toString().charAt(0).toUpperCase() + input.toString().substr(1);
}

function iconText(icon, key, defaultValue) {
  if (!defaultValue) {
    defaultValue = capitalize(key);
  }
  return `
    <span class="post-meta-item-icon">
      <i class="${icon}"></i>
    </span>
    {%- set post_meta_comment = __('post.comments.${key}') %}
    {%- if post_meta_comment == 'post.comments.${key}' %}
      {%- set post_meta_comment = '${defaultValue}' %}
    {%- endif %}
    <span class="post-meta-item-text">{{ post_meta_comment + __('symbol.colon') }}</span>
  `;
}

function warning(...args) {
  hexo.log.warn(`Since ${args[0]} is turned on, the ${args[1]} is disabled to avoid potential hazards.`);
}

// Add comment
hexo.extend.filter.register('theme_inject', injects => {

  const config = utils.defaultConfigFile('valine', 'default.yaml');
  if (!config.enable || !config.appId || !config.appKey) return;

  injects.comment.raw('valine', '<div class="comments" id="valine-comments"></div>', {}, { cache: true });

  injects.bodyEnd.raw('valine', utils.getFileContent('valine.njk'));

});

// Add post_meta
hexo.extend.filter.register('theme_inject', injects => {

  const config = utils.defaultConfigFile('valine', 'default.yaml');
  if (!config.enable || !config.appId || !config.appKey) return;

  injects.postMeta.raw('valine', `
  {% if post.comments and (is_post() or theme.valine.comment_count) %}
  <span class="post-meta-item">
    ${iconText('far fa-comment', 'valine')}
    <a title="valine" href="{{ url_for(post.path) }}#valine-comments" itemprop="discussionUrl">
      <span class="post-comments-count valine-comment-count" data-xid="{{ url_for(post.path) }}" itemprop="commentCount"></span>
    </a>
  </span>
  {% endif %}
  `, {}, {});

  if (config.visitor) {
    if (hexo.theme.config.leancloud_visitors && hexo.theme.config.leancloud_visitors.enable) {
      warning('valine.visitor', 'leancloud_visitors');
      hexo.theme.config.leancloud_visitors.enable = false;
      return;
    }

    injects.postMeta.raw('valine', `
    <span id="{{ url_for(post.path) }}" class="post-meta-item leancloud_visitors" data-flag-title="{{ post.title }}" title="{{ __('post.views') }}">
      <span class="post-meta-item-icon">
        <i class="far fa-eye"></i>
      </span>
      <span class="post-meta-item-text">{{ __('post.views') + __('symbol.colon') }}</span>
      <span class="leancloud-visitors-count"></span>
    </span>
  `, {}, {});
  }

});