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/**
* @copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @license AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import $ from 'jquery'
/*
* Detects links:
* Either the http(s) protocol is given or two strings, basically limited to ascii with the last
* word being at least one digit long,
* followed by at least another character
*
* The downside: anything not ascii is excluded. Not sure how common it is in areas using different
* alphabets… the upside: fake domains with similar looking characters won't be formatted as links
*
* This is a copy of the backend regex in IURLGenerator, make sure to adjust both when changing
*/
const urlRegex = /(\s|^)(https?:\/\/)?((?:[-A-Z0-9+_]+\.)+[-A-Z]+(?:\/[-A-Z0-9+&@#%?=~_|!:,.;()]*)*)(\s|$)/ig
/**
* @param {any} content -
*/
export function plainToRich(content) {
return this.formatLinksRich(content)
}
/**
* @param {any} content -
*/
export function richToPlain(content) {
return this.formatLinksPlain(content)
}
/**
* @param {any} content -
*/
export function formatLinksRich(content) {
return content.replace(urlRegex, function(_, leadingSpace, protocol, url, trailingSpace) {
let linkText = url
if (!protocol) {
protocol = 'https://'
} else if (protocol === 'http://') {
linkText = protocol + url
}
return leadingSpace + '<a class="external" target="_blank" rel="noopener noreferrer" href="' + protocol + url + '">' + linkText + '</a>' + trailingSpace
})
}
/**
* @param {any} content -
*/
export function formatLinksPlain(content) {
const $content = $('<div></div>').html(content)
$content.find('a').each(function() {
const $this = $(this)
$this.html($this.attr('href'))
})
return $content.html()
}
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