Re: [Exist-development] Using JavaScript Libraries

[Adam R. <ad...@ex...>]

Can we standardise on one implementation and version?

2010/1/25 Thomas White <tho...@gm...>:
> It seams we are going to use more and more JavaScript  libraries and I
> would like to propose a way to organise the code that has been used in
> many places and is proven as a good practise.
>
> There are two main challenges:
>
> 1. Libraries do change and evolve frequently and in general the code
> that worked before, with the next version may not work at all.
> 2. When a lot of people are contributing to a project, there is a
> strong believe that whatever is used in one application (or page) will
> be definitely used by many applications (or pages) later and as a
> result a lot of library code are places in a generic directory with
> the intention to be used later. In our case 'scripts' directory.
>
> This type of problems are very ofter when jQuery + jQuery plugins (my
> favorite JS library) are used. Some of the plugins require jQuery
> version 1.3, some other 1.2 and on the top of that every plugin have
> its own versions are not necessarily compatible with each other.
>
> My proposal is:
> 1. Keep Javascript libraries in a subdirectory for the application
> until other application uses it. This way every application can have
> matching versions.Another advantage is - the application is self
> contained and by deleting / coping the directory we can easily
> inslall/uninslatll an application. I do believe this is in the most
> cases the simplest and easiest way.
> 2. If we really have to share JavaScript libraries (more then one
> application uses it), then the libraries should be located in
> directories that have version number of the library is part of the
> directory name.
> 3. When  jQuery plugins (or other small libraries that depend on main
> libraries) are used, then the name of the file should contain the
> version number.
> 4. The minimised version of every JS file will have '.min.js' suffix.
>
>
> In a long run the best solution will be to have a Static Resources
> Manger module that receives the name and the version of a file and
> returns a relative or an absolute URL.
>
> I hope this will help.
> Thomas
>
>
>
>
>
> ------
>
> Thomas White
>
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>
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-- 
Adam Retter

eXist Developer
{ United Kingdom }
ad...@ex...
irc://irc.freenode.net/existdb