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