The command snippet appears to work fine if you do not deref `ed`... in
other words:
(cmd/command {:command :user.say-hello
:desc "User: Say Hello"
:exec (fn []
(let [ed (lt.objs.editor.pool/last-active)]
(lt.objs.editor/center-cursor ed)))})
should suffice. I was able to successfully use the command to bring the
viewport back to the cursor and have the cursor be on the center line.
Perhaps there was an issue with the command not being refreshed after
compiling changes? If so, you should be able to reopen Light Table and have
the modified command available.
As for full documentation, that is still a work in progress. The gitbook
link you provided should eventually contain sufficient plugin development
docs. There is also an incomplete API available to view at
http://lighttable.github.io/LightTable/api/ . We plan to expand both this
year.
Hope that helps,
Scott
On Monday, February 20, 2017 at 11:44:04 AM UTC-5, Max Muranov wrote:
>
> I think it's a usual sutiation: I haven't found one useful function in the
> light table and want to write it myself. It's a simple function and I want
> to just put it to user script.
>
> Found this quick start guide for plugin development:
> https://lighttable.gitbooks.io/light-table-developers-guide/content/user-plugin.html
> Okay but... What about full documentation? I want to use functions that
> are not in this guide.
>
> I didn't found something similar to functions docs and assumed that I can
> find them in the sources.
>
>
> https://github.com/LightTable/LightTable/blob/master/src/lt/objs/editor.cljs
> I found a function in this file and tried to do something simpliest:
>
> (cmd/command {:command :user.say-hello
> :desc "User: Say Hello"
> :exec (fn []
> (let [ed (lt.objs.editor.pool/last-active)]
> (lt.objs.editor/center-cursor @ed)))})
> ;;;;;;;;;;;;(tabs/add-or-focus! hello))})
>
> And this causes an exception "TypeError:
> lt.objs.editor.__GT_cm_ed.call(...).getCursor is not a function".
>
> What am I doing wrong? And where can I find something similar to plugin
> development docs? Help, I can't understand anything =D
>
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