TiddlyWiki5/core/modules/filters/fields.js

46 wiersze
1.1 KiB
JavaScript

/*\
title: $:/core/modules/filters/fields.js
type: application/javascript
module-type: filteroperator
Filter operator for returning the names of the fields on the selected tiddlers
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Export our filter function
*/
exports.fields = function(source,operator,options) {
var results = [],
fieldName,
suffixes = (operator.suffixes || [])[0] || [],
operand = $tw.utils.parseStringArray(operator.operand);
source(function(tiddler,title) {
if(tiddler) {
if(suffixes.indexOf("include") !== -1) {
for(fieldName in tiddler.fields) {
(operand.indexOf(fieldName) !== -1) ? $tw.utils.pushTop(results,fieldName) : "";
}
} else if (suffixes.indexOf("exclude") !== -1) {
for(fieldName in tiddler.fields) {
(operand.indexOf(fieldName) !== -1) ? "" : $tw.utils.pushTop(results,fieldName);
}
} // else if
else {
for(fieldName in tiddler.fields) {
$tw.utils.pushTop(results,fieldName);
}
} // else
} // if (tiddler)
});
return results;
};
})();