Add [is[binary]] operator

core/modules/wiki.js

@@ -221,6 +221,16 @@ exports.isImageTiddler = function(title) {
 	}
 };
 
+exports.isBinaryTiddler = function(title) {
+	var tiddler = this.getTiddler(title);
+	if(tiddler) {		
+		var contentTypeInfo = $tw.config.contentTypeInfo[tiddler.fields.type || "text/vnd.tiddlywiki"];
+		return !!contentTypeInfo && contentTypeInfo.encoding === "base64";
+	} else {
+		return null;
+	}
+};
+
 /*
 Like addTiddler() except it will silently reject any plugin tiddlers that are older than the currently loaded version. Returns true if the tiddler was imported
 */

editions/tw5.com/tiddlers/filters/is.tid

@@ -1,5 +1,5 @@
 created: 20140410103123179
-modified: 20190225130632157
+modified: 20190916151432497
 tags: [[Filter Operators]] [[Common Operators]] [[Negatable Operators]]
 title: is Operator
 type: text/vnd.tiddlywiki
@@ -16,6 +16,7 @@ The parameter <<.place C>> is one of the following fundamental categories:
 |!Category |!Matches any tiddler title that... |
 |^`current` |is the [[current tiddler|Current Tiddler]] |
 |^`image` |has an image ContentType |
+|^`binary` |has a binary ContentType |
 |^`missing` |does not exist (other than possibly as a shadow tiddler), regardless of whether there are any links to it |
 |^`orphan` |has no [[hard links|Hard and Soft Links]] to it |
 |^`shadow` |is a [[shadow tiddler|ShadowTiddlers]], regardless of whether it has been overridden with a non-shadow tiddler |