TiddlyWiki5/core/modules/filterrunprefixes/filter.js

40 lines
934 B
JavaScript

/*\
title: $:/core/modules/filterrunprefixes/filter.js
type: application/javascript
module-type: filterrunprefix
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Export our filter function
*/
exports.filter = function(operationSubFunction,options) {
return function(results,source,widget) {
if(results.length > 0) {
var resultsToRemove = [],
index = 0;
results.each(function(title) {
var filtered = operationSubFunction(options.wiki.makeTiddlerIterator([title]),widget.makeFakeWidgetWithVariables({
"currentTiddler": "" + title,
"..currentTiddler": widget.getVariable("currentTiddler",""),
"index": "" + index,
"revIndex": "" + (results.length - 1 - index),
"length": "" + results.length
}));
if(filtered.length === 0) {
resultsToRemove.push(title);
}
++index;
});
results.remove(resultsToRemove);
}
}
};
})();