index.js

/**
 * Author Xuefei Chen
 * Email chenxuefei_pp@163.com
 * Created on 2017/8/18 10:58
 */

'use strict';
const url = require('url');
const pathFn = require('path');
// eslint-disable-next-line no-undef
const ctx = hexo;
const oss_config = ctx.config.asset_oss;
const enable =
  oss_config.enable &&
  oss_config.oss_url.length &&
  oss_config.oss_acid.length &&
  oss_config.oss_ackey.length &&
  oss_config.oss_region.length &&
  oss_config.oss_bucket.length;

// eslint-disable-next-line no-undef
hexo.extend.tag.register('ossimg', function(args) {
  const PostAsset = ctx.model('PostAsset');
  let imageRoot = ctx.config.root;
  if (enable && oss_config.oss_root) {
    imageRoot = pathFn.join(oss_config.oss_root, 'post-assets/');
    imageRoot = url.resolve(oss_config.oss_url, imageRoot);
  }
  const slug = args.shift();
  if (!slug) return;
  const asset = PostAsset.findOne({ post: this._id, slug: slug });
  if (!asset) return;
  const title = args.length ? args.join(' ') : '';
  const alt = title || asset.slug;
  return (
      '<img src="' +
      url.resolve(imageRoot, asset.path) +
      '" alt="' +
      alt +
      '" title="' +
      title +
      '">'
  );
});

if (enable) {
  // eslint-disable-next-line no-undef
  hexo.extend.filter.register('after_generate', require('./lib/process')(ctx));
}