mirror of
https://github.com/Jermolene/TiddlyWiki5
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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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