/
authors.js
58 lines (50 loc) · 1.73 KB
/
authors.js
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'use strict';
// # Authors Helper
// Usage: `{{authors}}`, `{{authors separator=' - '}}`
//
// Returns a string of the authors on the post.
// By default, authors are separated by commas.
//
// Note that the standard {{#each authors}} implementation is unaffected by this helper.
const proxy = require('./proxy');
const _ = require('lodash');
const urlService = require('../services/url');
const {SafeString, templates} = proxy;
const ghostHelperUtils = require('@tryghost/helpers').utils;
module.exports = function authors(options = {}) {
options.hash = options.hash || {};
let {
autolink,
separator = ', ',
prefix = '',
suffix = '',
limit,
visibility,
from = 1,
to
} = options.hash;
let output = '';
autolink = !(_.isString(autolink) && autolink === 'false');
limit = limit ? parseInt(limit, 10) : limit;
from = from ? parseInt(from, 10) : from;
to = to ? parseInt(to, 10) : to;
function createAuthorsList(authors) {
function processAuthor(author) {
return autolink ? templates.link({
url: urlService.getUrlByResourceId(author.id, {withSubdirectory: true}),
text: _.escape(author.name)
}) : _.escape(author.name);
}
return ghostHelperUtils.visibility.filter(authors, visibility, processAuthor);
}
if (this.authors && this.authors.length) {
output = createAuthorsList(this.authors);
from -= 1; // From uses 1-indexed, but array uses 0-indexed.
to = to || limit + from || output.length;
output = output.slice(from, to).join(separator);
}
if (output) {
output = prefix + output + suffix;
}
return new SafeString(output);
};