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20 lines
1.9 KiB
Plaintext
20 lines
1.9 KiB
Plaintext
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chapter.of: TiddlyWiki - A quick Overview
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created: 20140708081759619
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modified: 20140715094527946
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sub.num: 1
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tags: doc
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title: TiddlyWiki as Single Page Application
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TiddlyWiki builds on some basic concepts. First, TiddlyWiki should not be perceived as a dynamic web page like traditional server-side generated web pages. Instead TiddlyWiki can be perceived as an application which is written entirely in ~JavaScript and uses HTML5 and CSS3 to render a GUI. This way TiddlyWiki can be executed in any ~JavaScript environment like a browser or a node.js instance, while keeping the advantages of a simple application.
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One of these advantages is, that TiddlyWiki has no need to emulate an application state, as a traditional web application would need to do.
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A second idea concerns the storage of the application data. In contrast to a traditional web application, TiddlyWiki doesn't store the data in an external database but simply uses native data structures already existing in ~JavaScript to store tiddlers, the basic (atomic) element of the TiddlyWiki application, in the memory. Additional core modules provide a way to persist this storage in simple HTML div elements.
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Just by building on these simple and basic concepts,
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* TiddlyWiki is able to store application data in a single HTML page by using div elements as data container.
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*TW is able to store application code (~JavaScript) in the same single HTML page.
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*TiddlyWiki can be executed in any ~JavaScript environment like a browser.
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These points already enable TW to be used as an offline-enabled single file web application.
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Also, by using a server side node.js environment running the same TiddlyWiki application, TiddlyWiki can be used as an online web application. This is realized on server-side by providing an additional module to persist tiddlers into plain text files and on client-side by a module syncing the local data store with the node.js server.
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