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How to close the live preview app? #37

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TimTaylor opened this issue Oct 17, 2024 · 5 comments
Closed

How to close the live preview app? #37

TimTaylor opened this issue Oct 17, 2024 · 5 comments

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@TimTaylor
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Apologies if I have missed something obvious but is there a way to close the live preview app without closing the R session?
@yihui
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yihui commented Oct 17, 2024

If you are in RStudio Viewer, use the broom button to clear the page. If you are in a web browser, close the browser page.

@TimTaylor
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If you are in a web browser, close the browser page.

AFAICT - this doesn't stop the app running (i.e. I can revisit the same address and still get the live updates).

@yihui
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yihui commented Oct 17, 2024

You are right. When the app doesn't have any active client connecting to it, it won't do anything and is harmless. Technically it is just a function registered in a special environment. If you do want to clean up that function, I can certainly provide a way to do it.

@TimTaylor
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TimTaylor commented Oct 17, 2024 •
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If you do want to clean up that function, I can certainly provide a way to do it.

That would be good. Even if I may not utilise the clean-up often, it does feel like something I should be able to do.

BTW - I really like litedown::roam(). This is will be awesome for navigating notes / presentations etc!

@yihui
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yihui commented Oct 23, 2024

I just provided an internal function xfun:::stop_app() to close the app. I didn't export it because I don't think it will be used often, but it will be nice if it's possible anyway.

clrpackages pushed a commit to clearlinux-pkgs/R-xfun that referenced this issue Nov 18, 2024
@fenrus75
R-xfun: Autospec creation for update from version 0.48 to version 0.49
3791859 
Michael Chirico (1):
      Remove unused function (#93)

Yihui Xie (16):
      start the next version
      add argument use_block = FALSE to protect_math()
      no need to escape " by default in html_escape()
      add a `start` argument to make_fence()
      ignore $ $ as inline math if backticks appear after opening $ or before closing $
      fix yihui/litedown#34: allow () around math expressions (outside dollar signs)
      only check `^<pre>` and `</pre>$`
      read_all()'s `before` and `after` functions can take the file content as the second argument
      tried an implementation of prose_index() via commonmark but it's too slow; leave the code here for future reference
      stop early if graphics device failed to open, e.g. png(type = 'cairo') can fail on macOS without xquartz, but it doesn't throw an error, so we have to check if dev.list() really has a new device
      fix yihui/litedown#38: for `name` and `call` values (typically from quote(), but could be from as.name() or call(), too), use do.call(quote = TRUE) in reocrd()
      forgot to suggest commonmark in aa75d8fb04d0637dbfccca0d3b6aa0c1e5108799
      try dev version of litedown
      close yihui/litedown#37: provide a helper function to clean up apps registered in tools:::.httpd.handlers.env
      amend 6b98bb6b05f8ff7c586057174ee093e2b2ea5231: knitr has tests that expect `"` to be converted to `&quot;`
      CRAN release v0.49
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@yihui @TimTaylor