TiddlyWiki5/core/modules/filters/days.js

51 wiersze
1.3 KiB
JavaScript

/*\
title: $:/core/modules/filters/days.js
type: application/javascript
module-type: filteroperator
Filter operator that selects tiddlers with a specified date field within a specified date interval.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Export our filter function
*/
exports.days = function(source,operator,options) {
var results = [],
fieldName = operator.suffix || "modified",
dayInterval = (parseInt(operator.operand,10)||0),
dayIntervalSign = $tw.utils.sign(dayInterval),
targetTimeStamp = (new Date()).setHours(0,0,0,0) + 1000*60*60*24*dayInterval,
isWithinDays = function(dateField) {
var sign = $tw.utils.sign(targetTimeStamp - (new Date(dateField)).setHours(0,0,0,0));
return sign === 0 || sign === dayIntervalSign;
};
if(operator.prefix === "!") {
targetTimeStamp = targetTimeStamp - 1000*60*60*24*dayIntervalSign;
source(function(tiddler,title) {
if(tiddler && tiddler.fields[fieldName]) {
if(!isWithinDays($tw.utils.parseDate(tiddler.fields[fieldName]))) {
results.push(title);
}
}
});
} else {
source(function(tiddler,title) {
if(tiddler && tiddler.fields[fieldName]) {
if(isWithinDays($tw.utils.parseDate(tiddler.fields[fieldName]))) {
results.push(title);
}
}
});
}
return results;
};
})();