49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var escapeHTML = require('../Utils').escapeHTML;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a linkified and HTML escaped entry field description.
|
||
|
|
*
|
||
|
|
* As a special feature, this description may contain both markdown
|
||
|
|
* and plain <a href> links.
|
||
|
|
*
|
||
|
|
* @param {String} description
|
||
|
|
*/
|
||
|
|
module.exports = function entryFieldDescription(description) {
|
||
|
|
|
||
|
|
// we tokenize the description to extract text, HTML and markdown links
|
||
|
|
// text and links are handled seperately
|
||
|
|
|
||
|
|
var escaped = [];
|
||
|
|
|
||
|
|
// match markdown [{TEXT}]({URL}) and HTML links <a href="{URL}">{TEXT}</a>
|
||
|
|
var pattern = /(?:\[([^\]]+)\]\((https?:\/\/[^"<>\]]+)\))|(?:<a href="(https?:\/\/[^"<>]+)">([^<]*)<\/a>)/gi;
|
||
|
|
|
||
|
|
var index = 0;
|
||
|
|
var match;
|
||
|
|
var link, text;
|
||
|
|
|
||
|
|
while ((match = pattern.exec(description))) {
|
||
|
|
|
||
|
|
// escape + insert text before match
|
||
|
|
if (match.index > index) {
|
||
|
|
escaped.push(escapeHTML(description.substring(index, match.index)));
|
||
|
|
}
|
||
|
|
|
||
|
|
link = match[2] || match[3];
|
||
|
|
text = match[1] || match[4];
|
||
|
|
|
||
|
|
// insert safe link
|
||
|
|
escaped.push('<a href="' + link + '" target="_blank">' + escapeHTML(text) + '</a>');
|
||
|
|
|
||
|
|
index = match.index + match[0].length;
|
||
|
|
}
|
||
|
|
|
||
|
|
// escape and insert text after last match
|
||
|
|
if (index < description.length) {
|
||
|
|
escaped.push(escapeHTML(description.substring(index)));
|
||
|
|
}
|
||
|
|
|
||
|
|
return '<div class="bpp-field-description">' + escaped.join('') + '</div>';
|
||
|
|
};
|