@tiddlygit/tiddlywiki
Version:
a non-linear personal web notebook
71 lines (61 loc) • 1.69 kB
JavaScript
/*\
title: $:/core/modules/parsers/wikiparser/rules/prettylink.js
type: application/javascript
module-type: wikirule
Wiki text inline rule for pretty links. For example:
```
[[Introduction]]
[[Link description|TiddlerTitle]]
```
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.name = "prettylink";
exports.types = {inline: true};
exports.init = function(parser) {
this.parser = parser;
// Regexp to match
this.matchRegExp = /\[\[(.*?)(?:\|(.*?))?\]\]/mg;
};
exports.parse = function() {
// Move past the match
var start = this.parser.pos + 2;
this.parser.pos = this.matchRegExp.lastIndex;
// Process the link
var text = this.match[1],
link = this.match[2] || text,
textEndPos = this.parser.source.indexOf("|", start);
if (textEndPos < 0 || textEndPos > this.matchRegExp.lastIndex) {
textEndPos = this.matchRegExp.lastIndex - 2;
}
var linkStart = this.match[2] ? (start + this.match[1].length + 1) : start;
var linkEnd = linkStart + link.length;
if($tw.utils.isLinkExternal(link)) {
return [{
type: "element",
tag: "a",
attributes: {
href: {type: "string", value: link, start: linkStart, end: linkEnd},
"class": {type: "string", value: "tc-tiddlylink-external"},
target: {type: "string", value: "_blank"},
rel: {type: "string", value: "noopener noreferrer"}
},
children: [{
type: "text", text: text, start: start, end: textEndPos
}]
}];
} else {
return [{
type: "link",
attributes: {
to: {type: "string", value: link, start: linkStart, end: linkEnd}
},
children: [{
type: "text", text: text, start: start, end: textEndPos
}]
}];
}
};
})();