mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-07-08 04:54:23 +00:00
e4b10d42f9
Spending a bit more time with Chrome dev tools, and further to 254e1ca, this optimisation reduces the rendering time for the sample TOC from 1.9s to about 0.9s...
50 lines
1.1 KiB
JavaScript
50 lines
1.1 KiB
JavaScript
/*\
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title: $:/core/modules/filters/tag.js
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type: application/javascript
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module-type: filteroperator
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Filter operator for checking for the presence of a tag
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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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/*
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Export our filter function
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*/
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exports.tag = function(source,operator,options) {
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var results = [];
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if((operator.suffix || "").toLowerCase() === "strict" && !operator.operand) {
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// New semantics:
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// Always return copy of input if operator.operand is missing
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source(function(tiddler,title) {
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results.push(title);
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});
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} else {
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// Old semantics:
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var tiddlers = options.wiki.getTiddlersWithTag(operator.operand);
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if(operator.prefix === "!") {
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// Returns a copy of the input if operator.operand is missing
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source(function(tiddler,title) {
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if(tiddlers.indexOf(title) === -1) {
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results.push(title);
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}
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});
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} else {
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// Returns empty results if operator.operand is missing
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source(function(tiddler,title) {
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if(tiddlers.indexOf(title) !== -1) {
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results.push(title);
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}
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});
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results = options.wiki.sortByList(results,operator.operand);
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}
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}
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return results;
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};
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})();
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