35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
/**
|
|
* Helper functions for page/post.
|
|
*
|
|
* @example
|
|
* <%- is_categories(page) %>
|
|
* <%- is_tags(page) %>
|
|
* <%- has_thumbnail(post) %>
|
|
* <%- get_thumbnail(post) %>
|
|
*/
|
|
module.exports = function(hexo) {
|
|
hexo.extend.helper.register('is_categories', function(page = null) {
|
|
return (page === null ? this.page : page).__categories;
|
|
});
|
|
|
|
hexo.extend.helper.register('is_tags', function(page = null) {
|
|
return (page === null ? this.page : page).__tags;
|
|
});
|
|
|
|
hexo.extend.helper.register('has_thumbnail', function(post) {
|
|
const { article } = this.config;
|
|
if (typeof post !== 'object') {
|
|
return false;
|
|
}
|
|
if (article && article.thumbnail === false) {
|
|
return false;
|
|
}
|
|
return 'thumbnail' in post && post.thumbnail;
|
|
});
|
|
|
|
hexo.extend.helper.register('get_thumbnail', function(post) {
|
|
const { url_for, has_thumbnail } = this.helper;
|
|
return url_for(has_thumbnail.call(this, post) ? post.thumbnail : '/img/thumbnail.svg');
|
|
});
|
|
};
|