Ghost/core/frontend/helpers/excerpt.js
Nazar Gargol a43ff6f639 Removed v0.1 TODO for {{excerpt}} helper
no issue

- The general "revisit" of of this helper might happen in the future but has nothing critical to do with shipping v3 or dropping v0.1 support
2019-09-17 17:16:36 +02:00

44 lines
1.3 KiB
JavaScript

// # Excerpt Helper
// Usage: `{{excerpt}}`, `{{excerpt words="50"}}`, `{{excerpt characters="256"}}`
//
// Attempts to remove all HTML from the string, and then shortens the result according to the provided option.
//
// Defaults to words="50"
var proxy = require('./proxy'),
_ = require('lodash'),
SafeString = proxy.SafeString,
getMetaDataExcerpt = proxy.metaData.getMetaDataExcerpt;
/**
* @NOTE:
*
* Content API v2 returns a calculated `post.excerpt` field.
* See https://github.com/TryGhost/Ghost/issues/10062.
* We have not touched this helper yet, we will revisit later.
*/
module.exports = function excerpt(options) {
var truncateOptions = (options || {}).hash || {},
excerptText = this.custom_excerpt
? String(this.custom_excerpt)
: this.html
? String(this.html)
: '';
truncateOptions = _.pick(truncateOptions, ['words', 'characters']);
_.keys(truncateOptions).map(function (key) {
truncateOptions[key] = parseInt(truncateOptions[key], 10);
});
if (!_.isEmpty(this.custom_excerpt)) {
truncateOptions.characters = this.custom_excerpt.length;
if (truncateOptions.words) {
delete truncateOptions.words;
}
}
return new SafeString(
getMetaDataExcerpt(excerptText, truncateOptions)
);
};