mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-09-20 19:29:43 +00:00
f51d0c55fe
There was some inconsistency of UTC vs. timezone handling
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
/*\
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title: $:/core/modules/filters/eachday.js
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type: application/javascript
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module-type: filteroperator
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Filter operator that selects one tiddler for each unique day covered by the specified date field
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Export our filter function
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*/
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exports.eachday = function(source,operator,options) {
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// Function to convert a date/time to a date integer
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var toDate = function(value) {
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value = (new Date(value)).setHours(0,0,0,0);
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return value+0;
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};
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// Convert the source to an array if necessary
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if(!$tw.utils.isArray(source)) {
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var copy = [];
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$tw.utils.each(source,function(element,title) {
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copy.push(title);
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});
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source = copy;
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}
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// Collect up the first tiddler with each unique day value of the specified field
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var results = [],values = [];
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$tw.utils.each(source,function(title) {
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var tiddler = options.wiki.getTiddler(title);
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if(tiddler && tiddler.fields[operator.operand]) {
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var value = toDate(tiddler.fields[operator.operand]);
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if(values.indexOf(value) === -1) {
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values.push(value);
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results.push(title);
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}
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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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