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TiddlyWiki5/core/modules/parsers/wikiparser/rules/transcludeblock.js
Jermolene 3a67fdb768 Obeisance to JSHint for core modules
There are still some warnings about making functions in a loop, but
I’ll fix those as a separate pull request because the fixes are more
than typographic errors.
2014-08-30 20:44:26 +01:00

83 lines
1.9 KiB
JavaScript

/*\
title: $:/core/modules/parsers/wikiparser/rules/transcludeblock.js
type: application/javascript
module-type: wikirule
Wiki text rule for block-level transclusion. For example:
```
{{MyTiddler}}
{{MyTiddler||TemplateTitle}}
```
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.name = "transcludeblock";
exports.types = {block: true};
exports.init = function(parser) {
this.parser = parser;
// Regexp to match
this.matchRegExp = /\{\{([^\{\}\|]*)(?:\|\|([^\|\{\}]+))?\}\}(?:\r?\n|$)/mg;
};
exports.parse = function() {
// Move past the match
this.parser.pos = this.matchRegExp.lastIndex;
// Move past the match
this.parser.pos = this.matchRegExp.lastIndex;
// Get the match details
var template = $tw.utils.trim(this.match[2]),
textRef = $tw.utils.trim(this.match[1]);
// Prepare the transclude widget
var transcludeNode = {
type: "transclude",
attributes: {},
isBlock: true
};
// Prepare the tiddler widget
var tr, targetTitle, targetField, targetIndex, tiddlerNode;
if(textRef) {
tr = $tw.utils.parseTextReference(textRef);
targetTitle = tr.title;
targetField = tr.field;
targetIndex = tr.index;
tiddlerNode = {
type: "tiddler",
attributes: {
tiddler: {type: "string", value: targetTitle}
},
isBlock: true,
children: [transcludeNode]
};
}
if(template) {
transcludeNode.attributes.tiddler = {type: "string", value: template};
if(textRef) {
return [tiddlerNode];
} else {
return [transcludeNode];
}
} else {
if(textRef) {
transcludeNode.attributes.tiddler = {type: "string", value: targetTitle};
if(targetField) {
transcludeNode.attributes.field = {type: "string", value: targetField};
}
if(targetIndex) {
transcludeNode.attributes.index = {type: "string", value: targetIndex};
}
return [tiddlerNode];
} else {
return [transcludeNode];
}
}
};
})();