Can invoke any functions, not just those start with a period. And can pass zero parameters (in contrast when invoked as a custom filter operator there's no way to omit the first parameter).
The basic idea is that if we don't find a variable `foo` then we fallback to retrieving the value from the tiddler `$:/global/foo`, if it exists.
This allows us to replace the usual importvariables-based mechanism for global definitions, avoiding cluttering up the variable namespace with every macro.
In order to permit subprocedures to be overridden, we also introduce a mechanism for conditional definitions: preceding the word definition|procedure|function|widget with a + causes the definition only to occur if the specified variable doesn't already exist. In the next commit we'll apply this mechanism to the tabs macro
There are two big changes here:
Replace the previous "ts-wrapper" mechanism, which we had been using to redefine custom widgets inside their definitions to prevent recursive calls. Now we've got the genesis widget we can instead control recursion through a new "$remappable" attribute that allows the custom widget mechanism to be skipped.
We also extend the slot widget to allow a depth to be specified; it then reaches up by the indicated number of transclusion widgets to find the one from which it should retrieve the slot value.
* adding trim: Last of the macros I think
* adding trim: EditTemplate and ItemSidebarIcon
* adding trim: control panel basics
* Another hidden space to guide the uglifier
* More consistent nested quoting
* Reconciling tests for \whitespace trim
* Add support for JSON-formatted tiddler store, and make it the default
The change to `getTiddlersAsJson()` is to allow experimentation
* Move JSON tiddlers into their own store area, and fix support for encrypted tiddlers
Also add a dummy old-style store area for backwards compatibility
The current arrangement is that JSON tiddlers will always override old-style tiddlers.
* Use the deserialiser mechanism to decode the content
* Refactor $:/core/modules/deserializers.js before we start extending it
Cleaning up the helper function names and ordering
* Drop support for the "systemArea" div
It was only used in really old v5.0.x
* Update deserializer to support JSON store format and add some tests
* Life UI restrictions on characters in fieldnames
* Add another test case
* Correct mis-merge
* Remove toLowerCase() methods applied to fieldnames
* Insert line breaks in output of getTiddlersAsJson (#5786)
Rather than have the entire store on one line, insert a line break
after each tiddler.
* Refactor #5786 for backwards compatibility
* Only read .tiddlywiki-tiddler-store blocks from script tags
Prompted by @simonbaird's comment here: https://github.com/Jermolene/TiddlyWiki5/pull/5708#discussion_r648833367
* Clean up escaping of unsafe script characters
It seems that escaping `<` is sufficient
* Add docs from @saqimtiaz
Thanks @saqimtiaz
* Docs tweaks
* Remove excess whitespace
Thanks @simonbaird
* Fix templates for lazy loading
* Remove obsolete item from release note
* Clean up whitespace
* Docs for the jsontiddler widget
* Fix whitespace
Fixes#5840
* Comments
* Fix newlines in JSON store area
* Remove obsolete docs change
Co-authored-by: Simon Baird <simon.baird@gmail.com>