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Add support for JSON-formatted tiddler store, and make it the default (#5708)

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* 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>
This commit is contained in:
Jeremy Ruston
2021-07-14 09:15:30 +01:00
committed by GitHub
parent 155525708b
commit d455072f13
49 changed files with 506 additions and 161 deletions
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editions/tw5.com/tiddlers/widgets/JSONTiddlerWidget.tid Normal file
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title: JSONTiddlerWidget
created: 20210630100923398
modified: 20210630100923398
tags: Widgets
caption: jsontiddler
! Introduction
The jsontiddler widget renders the fields of a tiddler to display as a JSON object. The fields of the tiddler can be customised or excluded.
The jsontiddler widget is used in system templates to generate JSON representations of tiddlers for saving.
! Content and Attributes
The content of the `<$jsontiddler>` widget is ignored.
|!Attribute |!Description |
|tiddler |Optional title of the tiddler from which the fields are to be displayed |
|exclude |Optional space separated list of fields to be excluded |
|escapeUnsafeScriptChars |If set to "yes" then the `<` character will be escaped to the equivalent `\u003C` encoding |
|//{any attributes starting with $}// |Each attribute name (without the leading `$`) specifies a field to be modified with the attribute value providing the value to assign to the field |