TiddlyWiki5/core/modules/filters/compare.js

41 wiersze
998 B
JavaScript

/*\
title: $:/core/modules/filters/compare.js
type: application/javascript
module-type: filteroperator
General purpose comparison operator
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.compare = function(source,operator,options) {
var suffixes = operator.suffixes || [],
type = (suffixes[0] || [])[0],
mode = (suffixes[1] || [])[0],
typeFn = $tw.utils.makeCompareFunction(type,{defaultType: "number"}),
modeFn = modes[mode] || modes.eq,
invert = operator.prefix === "!",
results = [];
source(function(tiddler,title) {
if(modeFn(typeFn(title,operator.operand)) !== invert) {
results.push(title);
}
});
return results;
};
var modes = {
"eq": function(value) {return value === 0;},
"ne": function(value) {return value !== 0;},
"gteq": function(value) {return value >= 0;},
"gt": function(value) {return value > 0;},
"lteq": function(value) {return value <= 0;},
"lt": function(value) {return value < 0;}
}
})();