Ghost/core/frontend/helpers/excerpt.js
Naz Gargol df7e64fafa
Extracted frontend folder (#10780)
refs #10790

- Moved /core/apps into core/frontend
- Moved /core/server/helpers to /core/frontend/helpers along with /core/server/services/themes
- Changed helper location in overrides
- Moved /core/server/services/routing to /core/frontend/services
- Moved /core/server/services/url to /core/frontend/services
- Moved /core/server/data/meta to /core/frontend/meta
- Moved /core/server/services/rss to /core/frontend/services
- Moved /core/server/data/xml to /core/frontend/services
2019-06-19 11:30:28 +02:00

46 lines
1.4 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.
*
* @TODO: remove or change if we drop v0.1
*/
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)
);
};