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Code Issues Releases Wiki Activity

Optimise the tag filter

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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...
This commit is contained in:
Jermolene 2017-12-21 16:13:47 +00:00
parent 7e71fcfab8
commit e4b10d42f9
1 changed files with 3 additions and 2 deletions
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5
core/modules/filters/tag.js
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@ -25,17 +25,18 @@ exports.tag = function(source,operator,options) {
});
} else {
// Old semantics:
var tiddlers = options.wiki.getTiddlersWithTag(operator.operand);
if(operator.prefix === "!") {
// Returns a copy of the input if operator.operand is missing
source(function(tiddler,title) {
if(tiddler && !tiddler.hasTag(operator.operand)) {
if(tiddlers.indexOf(title) === -1) {
results.push(title);
}
});
} else {
// Returns empty results if operator.operand is missing
source(function(tiddler,title) {
if(tiddler && tiddler.hasTag(operator.operand)) {
if(tiddlers.indexOf(title) !== -1) {
results.push(title);
}
});