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https://github.com/Jermolene/TiddlyWiki5
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Add 'indexes' filter operator
Returns the indexes within a data tiddler. We’re about to use this to enumerate the colours within a palette.
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core/modules/filters/indexes.js
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43
core/modules/filters/indexes.js
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/*\
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title: $:/core/modules/filters/indexes.js
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type: application/javascript
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module-type: filteroperator
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Filter operator for returning the indexes of a data tiddler
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Export our filter function
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*/
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exports.indexes = function(source,operator,options) {
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var self = this,
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results = [];
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// Function to check an individual title
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function checkTiddler(title) {
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// Return the fields on the specified tiddler
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var data = options.wiki.getTiddlerData(title,{});
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if(data) {
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$tw.utils.pushTop(results,Object.keys(data));
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}
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}
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// Iterate through the source tiddlers
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if($tw.utils.isArray(source)) {
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$tw.utils.each(source,function(title) {
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checkTiddler(title);
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});
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} else {
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$tw.utils.each(source,function(element,title) {
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checkTiddler(title);
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});
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}
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results.sort();
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return results;
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};
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})();
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@ -1,5 +1,5 @@
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created: 20130827080000000
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created: 20130827080000000
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modified: 20140210141253282
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modified: 20140220091253282
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tags: concepts
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tags: concepts
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title: TiddlerFilters
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title: TiddlerFilters
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type: text/vnd.tiddlywiki
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type: text/vnd.tiddlywiki
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@ -67,8 +67,8 @@ A filter string consists of one or more runs of filter operators that each look
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* ''bf'': another synonym for ''rest''
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* ''bf'': another synonym for ''rest''
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* ''butlast'': selects all but the last tiddler of the list (or all but the last n if the operand is n)
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* ''butlast'': selects all but the last tiddler of the list (or all but the last n if the operand is n)
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* ''bl'': another synonym for ''butlast''
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* ''bl'': another synonym for ''butlast''
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* ''nth'': selects the n-th tiddler of the list. Defaults to n = 1.
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* ''nth'': selects the n-th tiddler of the list. Defaults to n = 1
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* ''indexes'': selects the names of the indexes within a [[DataTiddler|DataTiddlers]]
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An operator can be negated with by preceding it with `!`, for example `[!tag[Tommy]]` selects the tiddlers that are not tagged with `Tommy`.
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An operator can be negated with by preceding it with `!`, for example `[!tag[Tommy]]` selects the tiddlers that are not tagged with `Tommy`.
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