33 lines
896 B
JavaScript
33 lines
896 B
JavaScript
/*\
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title: $:/core/modules/filters/function.js
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type: application/javascript
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module-type: filteroperator
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Filter operator returning those input titles that are returned from a function
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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.function = function(source,operator,options) {
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var functionName = operator.operands[0],
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variableInfo = options.widget && options.widget.getVariableInfo && options.widget.getVariableInfo(functionName);
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if(variableInfo && variableInfo.srcVariable && variableInfo.srcVariable.isFunctionDefinition) {
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return options.widget.evaluateVariable(functionName,{params: operator.operands.slice(1), source: source});
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}
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// Return the input list if the function wasn't found
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var results = [];
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source(function(tiddler,title) {
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results.push(title);
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});
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return results;
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};
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})();
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