Ghost blogging platform helper for excerpt until the first --- in the post.

ghost_excerpt_till_hrule.js

coreHelpers.excerpt_till_hrule = function (options) {
    
    console.log(options);
    
    var truncateOptions = (options || {}).hash || {},
        excerpt;

    truncateOptions = _.pick(truncateOptions, ['words', 'characters']);
    _.keys(truncateOptions).map(function (key) {
        truncateOptions[key] = parseInt(truncateOptions[key], 10);
    });

    if (!truncateOptions.words && !truncateOptions.characters) {
        truncateOptions.words = 50;
    }

    /*jslint regexp:true */
    excerpt = String(this.html).replace(/<\/?[^>]+>/gi, '');
    excerpt = excerpt.replace(/(\r\n|\n|\r)+/gm, ' ');
    var hrule_regex = /([\s\S]*?)<hr \/>/gi;
    /*jslint regexp:false */

    var _matches = hrule_regex.exec( String(this.html) );
    if(_matches) {
        excerpt = String(_matches[1]);
    } else {
        return new hbs.handlebars.SafeString(
            downsize(excerpt, truncateOptions)
        );
    }

    return new hbs.handlebars.SafeString( excerpt );

};

there are empty <p></p> before and after the <hr /> P