TiddlyWiki5/core/modules/tiddler.js

35 wiersze
720 B
JavaScript

/*\
title: $:/core/modules/tiddler.js
type: application/javascript
module-type: tiddlermethod
Extension methods for the $tw.Tiddler object
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.hasTag = function(tag) {
return this.fields.tags && this.fields.tags.indexOf(tag) !== -1;
};
exports.getFieldString = function(field) {
var value = this.fields[field];
// Check for a missing field
if(value === undefined) {
return undefined;
}
// Parse the field with the associated plugin (if any)
var fieldPlugin = $tw.Tiddler.fieldPlugins[field];
if(fieldPlugin) {
return fieldPlugin.stringify.call(this,value);
} else {
return value.toString();
}
};
})();