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Code Issues Releases Wiki Activity

Add a function to check whether a tiddler has a given field

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This commit is contained in:
Jeremy Ruston
2012-10-16 19:12:09 +01:00
parent f0974740db
commit a832338bb6
2 changed files with 5 additions and 1 deletions
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2
core/modules/macros/list.js
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@@ -92,7 +92,7 @@ Create the tiddler macro needed to represent a given tiddler
exports.createListElementMacro = function(title) {
// Check if the tiddler is a draft
var tiddler = this.wiki.getTiddler(title),
draft = tiddler ? $tw.utils.hop(tiddler.fields,"draft-of") : false;
draft = tiddler ? tiddler.hasField("draft-of") : false;
// Figure out the template to use
var template = this.params.template,
templateText = this.params.templateText;

4
core/modules/tiddler.js
View File

@@ -16,6 +16,10 @@ exports.hasTag = function(tag) {
return this.fields.tags && this.fields.tags.indexOf(tag) !== -1;
};
exports.hasField = function(field) {
return $tw.utils.hop(this.fields,field);
};
exports.getFieldString = function(field) {
var value = this.fields[field];
// Check for a missing field